{"id":78721,"date":"2023-04-12T06:09:59","date_gmt":"2023-04-12T06:09:59","guid":{"rendered":"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/?p=78721"},"modified":"2026-03-11T12:36:36","modified_gmt":"2026-03-11T12:36:36","slug":"what-is-steganography-guide-meaning-types-tools","status":"publish","type":"post","link":"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/ethical-hacking\/what-is-steganography-guide-meaning-types-tools\/","title":{"rendered":"A Guide to Steganography: Meaning, Types, Tools, &amp; Techniques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"78721\" class=\"elementor elementor-78721\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-340d95a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"340d95a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5141eb1\" data-id=\"5141eb1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd18666 elementor-widget elementor-widget-text-editor\" data-id=\"dd18666\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>From invisible ink to highly complex algorithms, this technique is all around us. It is a fascinating and often misunderstood technique of concealing information, and it has experienced a revival in the digital world. This article discusses everything you need to know about the practice and its applications in cybersecurity: the definition of steganography and various types, tools, and techniques.<\/p><h2>What Is Steganography, and How Does It Work?<\/h2><p>Simply put, it is the practice of \u201chiding in plain sight.\u201d It encodes a secret message within another non-secret object in such a manner as to make the message imperceptible to those who aren\u2019t aware of its presence. Of course, because of this secrecy, the method generally requires the recipient to be aware that a message is forthcoming.<\/p><p>To understand the meaning of steganography in cyber security, it\u2019s important to know the origins of the technique. The practice of this concealment method dates back to ancient Greece, from which we also get the word itself: a combination of the Greek words \u201csteganos\u201d (covered or concealed) and \u201cgraphein\u201d (writing).<\/p><p>For example, the Greek historian Herodotus wrote about how Spartan warriors used this technique to conceal military intelligence from the enemy. The Spartans would write messages on wood tablets and cover them with wax, hiding the information in case the messenger was intercepted. The recipient could then scrape off the wax and easily read the message.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8982bd9 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"8982bd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.eccouncil.org\/train-certify\/certified-ethical-hacker-ceh\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn Advanced Ethical Hacking Skills<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21dd7b3 elementor-widget elementor-widget-text-editor\" data-id=\"21dd7b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>The Difference Between Steganography, Cryptography, and Obfuscation<\/h2><p>This method, cryptography, and obfuscation are three related terms; they all refer to practices that make data more difficult to understand. However, these words are not interchangeable \u2014 subtle yet crucial distinctions exist between them.<\/p><ul><li><strong>Cryptography<\/strong> attempts to encode a message, making it difficult or impossible for anyone except the intended recipient to decrypt it. The encoding and decoding process is accomplished using cryptographic keys that translate back and forth between the true message and its encrypted version.<\/li><li><strong>Steganography<\/strong> attempts to hide a message within another object. Not only does this technique seek to make this information harder to understand, but it also seeks to conceal that a message is being sent in the first place.<\/li><li><strong>Obfuscation<\/strong> is any technique that prevents third parties from understanding a message. For example, a program\u2019s source code may be obfuscated by removing the whitespace, making the message difficult for humans to read.<\/li><\/ul><p>Note that steganography and cryptography are not mutually exclusive. For example, it could hide a message inside another file using encryption for extra security. The recipient could then extract the encrypted message and decrypt it using a given key.<\/p><h2>Examples of Steganography<\/h2><p>Steganography has been in use for centuries. Basic physical forms include invisible ink that can only be read by exposing it to heat and messages written under the postage stamps of an envelope.<\/p><p>However, clever practitioners of this art have developed a range of more sophisticated techniques that work in various mediums. One example is a laser printer\u2019s Machine Identification Code (MIC), a unique identifier encoded on any printed document using tiny yellow dots that are invisible to the naked eye. Secret messages can even use the letters of a crossword or the numbers of a sudoku puzzle.<\/p><p>More recently, digital steganography in cyber security has emerged as a practice with both legitimate and criminal uses. The different algorithms in digital this method include:<\/p><ul><li><strong>Least significant bit (LSB):<\/strong> In the LSB algorithm, the least significant bit in each byte of a multimedia file (e.g., an image or audio) is modified to convey a hidden message.<\/li><li>Multi-access edge computing can also help save on bandwidth costs and improve security by processing data locally instead of sending it over the network to central servers.<\/li><li><strong>Discrete Fourier transform (DFT):<\/strong> In the DFT algorithm, information is hidden inside a multimedia file using the mathematical technique of discrete Fourier transformation.<\/li><\/ul><p>The good news for users of steganography is that they don\u2019t have to code these algorithms from scratch. Instead, different programming languages come with pre-built libraries and frameworks for this purpose. For example, the Python Stegano module can hide messages within an image (PyPI), while the Image Steganography library does the same for C++ programmers (GitHub, 2022).<\/p><p>In the next section, we\u2019ll go over five of the most common types of digital concealment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-954324b elementor-align-center elementor-widget elementor-widget-button\" data-id=\"954324b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.eccouncil.org\/train-certify\/certified-ethical-hacker-ceh\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Explore Advanced Ethical Hacking With CEH<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f1447f elementor-widget elementor-widget-text-editor\" data-id=\"1f1447f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>What Are the 5 Types of Steganography?<\/h2><ol><li><h3>Text steganography<\/h3><p>Text steganography conceals a secret message inside a piece of text. The simplest version of text this method might use the first letter in each sentence to form the hidden message. Other text techniques might include adding meaningful typos or encoding information through punctuation.<\/p><\/li><li><h2>Image steganography<\/h2><p>In image steganography, secret information is encoded within a digital image. This technique relies on the fact that small changes in image color or noise are very difficult to detect with the human eye. For example, one image can be concealed within another by using the least significant bits of each pixel in the image to represent the hidden image instead.<\/p><\/li><li><h3>Video steganography<\/h3><p>Video steganography is a more sophisticated version of image steganography that can encode entire videos. Because digital videos are represented as a sequence of consecutive images, each video frame can encode a separate image, hiding a coherent video in plain sight.<\/p><\/li><li><h3>Audio steganography<\/h3><p>Audio files, like images and videos, can be used to conceal information. One simple form of audio this is \u201cbackmasking,\u201d in which secret messages are played backwards on a track (requiring the listener to play the entire track backwards). More sophisticated techniques might involve the least significant bits of each byte in the audio file, similar to image steganography.<\/p><\/li><li><h3>Network steganography<strong><br \/><\/strong><\/h3><p>Last but not least, network steganography is a clever digital concealment technique that hides information inside network traffic. For example, data can be concealed within the TCP\/IP headers or payloads of network packets. The sender can even impart information based on the time between sending different packets.<\/p><\/li><\/ol><h2>Steganography Tools and Techniques<\/h2><p>There are many different types of steganography \u2014 so how can you get started? Fortunately, there are a number of tools for using it online.<\/p><p>OpenStego is an open-source tool for this purpose that offers two main functionalities: data hiding and watermarking (i.e., hiding an invisible signature). As of this writing, OpenStego works only for image files (Vaidya, S).<\/p><p>Another free steganography tool (though not open-source) is OpenPuff. The OpenPuff software supports this practice in image, audio, and video files and can even split a message across multiple files (EmbeddedSW).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7512c2 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c7512c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.eccouncil.org\/train-certify\/certified-ethical-hacker-ceh\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Become a Certified Ethical Hacker Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10094ef elementor-widget elementor-widget-text-editor\" data-id=\"10094ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>How Do Malicious Hackers Use Steganography?<\/h2><p>As you might imagine, this technique can be used for both good and ill. For instance, dissidents living under oppressive regimes can use it to hide messages from the government, passing sensitive information within a seemingly innocuous medium.<\/p><p>However, digital steganography is also a tool for malicious hackers. An attacker can hide the source code for a malware application inside another supposedly harmless file (such as a text file or an image). A separate program can then extract and run the source code.<\/p><p>In June 2020, for example, security researchers at Malwarebytes discovered that malicious actors had hidden code for a web skimmer inside the EXIF metadata of an image file. When executed, this code silently captured the details of users as they entered their names, addresses, and payment card information on e-commerce websites (Segura, 2020).<\/p><h2>Conclusion<\/h2><p>Steganography is a clever and fascinating technique for sending confidential information in plain sight. Digital forms of it can be used for benevolent and malicious purposes, making it crucial that cybersecurity experts thoroughly understand this practice.<\/p><p>Learning to detect and thwart steganography attacks is essential for prospective ethical hackers. EC-Council is a leading provider of <a href=\"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/ethical-hacking\/what-is-ethical-hacking\/\" target=\"_blank\" rel=\"noopener\">ethical hacking<\/a> course, training programs, and certifications, including the world-renowned <a href=\"https:\/\/www.eccouncil.org\/train-certify\/certified-ethical-hacker-ceh\/\" target=\"_blank\" rel=\"noopener\">Certified Ethical Hacker certification<\/a>. Click here to learn more about the <a href=\"https:\/\/www.eccouncil.org\/train-certify\/certified-ethical-hacker-ceh\/\" target=\"_blank\" rel=\"noopener\">CEH course<\/a> and certification and start on your path to becoming an ethical hacker.<\/p><h3>Sources<\/h3><p>PyPI. stegano 0.11.1.\u00a0<em>https:\/\/pypi.org\/project\/stegano\/<\/em><\/p><p>GitHub. jokLiu\/ImageSteganography: Static C++ image steganography library.\u00a0<em>https:\/\/github.com\/jokLiu\/ImageSteganography<\/em><\/p><p>Vaidya, S. OpenStego.\u00a0<em>https:\/\/www.openstego.com\/<\/em><\/p><p>EmbeddedSW. OpenPuff Steganography.\u00a0<em>https:\/\/embeddedsw.net\/OpenPuff_Steganography_Home.html<\/em><\/p><p>Segura, J. (2020, June 25). Web skimmer hides within EXIF metadata, exfiltrates credit cards via image files. Malwarebytes.\u00a0<em>https:\/\/www.malwarebytes.com\/blog\/news\/2020\/06\/web-skimmer-hides-within-exif-metadata-exfiltrates-credit-cards-via-image-files<\/em><\/p><h2>About the Author<\/h2><p>David Tidmarsh is a programmer and writer. He\u2019s worked as a software developer at MIT, has a B.A. in history from Yale, and is currently a graduate student in computer science at UT Austin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0388688 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0388688\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bd9a4fb\" data-id=\"bd9a4fb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68a80fa elementor-widget elementor-widget-heading\" data-id=\"68a80fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a89d9af elementor-widget elementor-widget-accordion\" data-id=\"a89d9af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1761\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1761\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is steganography?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1761\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1761\"><p><span data-teams=\"true\">Steganography is the practice of &#8220;hiding in plain sight,&#8221; where a secret message is encoded within another non-secret object in such a manner as to make the message imperceptible to those who aren\u2019t aware of its presence.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1762\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1762\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the origin of the word \"steganography\"?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1762\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1762\"><div><div>The word &#8220;steganography&#8221; originates from ancient Greece, combining &#8220;steganos&#8221; (covered or concealed) and &#8220;graphein&#8221; (writing). Historically, Spartan warriors used it to hide military intelligence.<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1763\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1763\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How does steganography differ from cryptography and obfuscation?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1763\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1763\"><div><div>Cryptography encodes a message to make it unreadable without a key, while obfuscation makes a message difficult to understand. however, specifically aims to conceal the very existence of a message, making it imperceptible that a message is being sent at all. Steganography and cryptography can be used together for enhanced security.<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1764\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1764\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What are the five common types of digital steganography?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1764\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1764\"><div><div>The five common types of digital steganography are:<\/div><ul><li><strong>\u00a0Text steganography<\/strong>: Hiding messages within text.<\/li><li><strong>Image steganography<\/strong>: Encoding information within digital images, often using least significant bits.<\/li><li><strong>Video steganography<\/strong>: A more sophisticated form of image steganography that hides messages in video frames.<\/li><li><strong>Audio steganography<\/strong>: Concealing information in audio files.<\/li><li><strong>Network steganography<\/strong>: Hiding data within network traffic, such as TCP\/IP headers or payloads.<\/li><\/ul><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1765\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1765\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What are some examples of steganography tools?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1765\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1765\"><div><div>Some examples of steganography tools mentioned are OpenStego (open-source, primarily for image files) and OpenPuff (supports image, audio, and video files, and can split messages across multiple files).<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1766\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-1766\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How can steganography be used maliciously?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1766\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-1766\"><div><div>Malicious hackers can use steganography to conceal malware source code within seemingly harmless files, such as text files or images. An example cited is a web skimmer hidden in the EXIF metadata of an image file used to steal user information.<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1767\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-1767\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Why is understanding steganography important for cybersecurity professionals?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1767\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-1767\"><div><div>Understanding steganography is crucial for cybersecurity experts, especially ethical hackers, to detect and thwart attacks that utilize this technique to hide malicious code or sensitive information.<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is steganography?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span data-teams=\\\"true\\\">Steganography is the practice of &#8220;hiding in plain sight,&#8221; where a secret message is encoded within another non-secret object in such a manner as to make the message imperceptible to those who aren\\u2019t aware of its presence.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the origin of the word \\\"steganography\\\"?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>The word &#8220;steganography&#8221; originates from ancient Greece, combining &#8220;steganos&#8221; (covered or concealed) and &#8220;graphein&#8221; (writing). Historically, Spartan warriors used it to hide military intelligence.<\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"How does steganography differ from cryptography and obfuscation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>Cryptography encodes a message to make it unreadable without a key, while obfuscation makes a message difficult to understand. however, specifically aims to conceal the very existence of a message, making it imperceptible that a message is being sent at all. Steganography and cryptography can be used together for enhanced security.<\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"What are the five common types of digital steganography?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>The five common types of digital steganography are:<\\\/div><ul><li><strong>\\u00a0Text steganography<\\\/strong>: Hiding messages within text.<\\\/li><li><strong>Image steganography<\\\/strong>: Encoding information within digital images, often using least significant bits.<\\\/li><li><strong>Video steganography<\\\/strong>: A more sophisticated form of image steganography that hides messages in video frames.<\\\/li><li><strong>Audio steganography<\\\/strong>: Concealing information in audio files.<\\\/li><li><strong>Network steganography<\\\/strong>: Hiding data within network traffic, such as TCP\\\/IP headers or payloads.<\\\/li><\\\/ul><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"What are some examples of steganography tools?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>Some examples of steganography tools mentioned are OpenStego (open-source, primarily for image files) and OpenPuff (supports image, audio, and video files, and can split messages across multiple files).<\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"How can steganography be used maliciously?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>Malicious hackers can use steganography to conceal malware source code within seemingly harmless files, such as text files or images. An example cited is a web skimmer hidden in the EXIF metadata of an image file used to steal user information.<\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"Why is understanding steganography important for cybersecurity professionals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div><div>Understanding steganography is crucial for cybersecurity experts, especially ethical hackers, to detect and thwart attacks that utilize this technique to hide malicious code or sensitive information.<\\\/div><\\\/div>\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-344bb76 elementor-widget elementor-widget-html\" data-id=\"344bb76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n\"@context\": \"https:\/\/schema.org\",\r\n\"@type\": \"Person\",\r\n\"name\": \"David Tidmarsh\",\r\n\"jobTitle\": \"Software developer\",\r\n\"worksFor\": \"MIT\",\r\n\"gender\": \"Male\",\r\n\"knowsAbout\": [\r\n\"programmer and writer.\"\r\n],\r\n\"knowsLanguage\": [\r\n\"English\"\r\n],\r\n\"url\": \"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/ethical-hacking\/what-is-steganography-guide-meaning-types-tools\/\"\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>From invisible ink to highly complex algorithms, this technique is all around us. It is a fascinating and often misunderstood technique of concealing information, and it has experienced a revival in the digital world. This article discusses everything you need to know about the practice and its applications in cybersecurity: the definition of steganography and&hellip;<\/p>\n","protected":false},"author":33,"featured_media":80291,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[12083],"tags":[],"class_list":{"0":"post-78721","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ethical-hacking"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.13 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What Is Steganography in cybersecurity? A Complete Guide | EC-Council<\/title>\n<meta name=\"description\" content=\"Master steganography with EC-Council. Discover about the different types, tools, examples, and techniques how they\u2019re used in cybersecurity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.eccouncil.org\/cybersecurity-exchange\/ethical-hacking\/what-is-steganography-guide-meaning-types-tools\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Guide to Steganography: Meaning, Types, Tools, &amp; Techniques\" \/>\n<meta property=\"og:description\" content=\"Master steganography with EC-Council. 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Discover about the different types, tools, examples, and techniques how they\u2019re used in cybersecurity.\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"EC-Council\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/\"},\"author\":{\"name\":\"EC-Council\",\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/#\\\/schema\\\/person\\\/10d534ff5660436a0efe90fea66ce5fd\"},\"headline\":\"A Guide to Steganography: Meaning, Types, Tools, &amp; Techniques\",\"datePublished\":\"2023-04-12T06:09:59+00:00\",\"dateModified\":\"2026-03-11T12:36:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/\"},\"wordCount\":1753,\"publisher\":{\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/wp-content\\\/uploads\\\/2023\\\/04\\\/what-is-steganography-guide-meaning-types-tools-feature.jpg\",\"articleSection\":[\"Ethical Hacking\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/\",\"url\":\"https:\\\/\\\/www.eccouncil.org\\\/cybersecurity-exchange\\\/ethical-hacking\\\/what-is-steganography-guide-meaning-types-tools\\\/\",\"name\":\"What Is Steganography in cybersecurity? 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