- Last Updated: July 13, 2026 |
- Penetration Testing
Penetration testing is a valuable and effective cybersecurity measure that proactively uncovers security flaws before hackers can exploit them, especially in the age of AI-powered hacking. The growing instances of cyberthreats make this offensive security practice:
- A priority for 95% of organizations (Synack & Omdia, 2026)
- A compliance requirement under emerging regulations, such as the proposed HIPAA security rule mandating periodic testing (Federal Register, 2024)
- A business continuity safeguard, with 72% of organizations reporting its efficacy for breach prevention and 74% using it for vulnerability management programs (Fortra, 2024)
Penetration testing (pen testing) is a simulated cyberattack designed to identify security vulnerabilities and test an organization’s defenses. The recent surge in cyberattacks has fueled the demand for this practice, and the scale of the problem makes this need clear: the National Institute of Standards and Technology (NIST) enriched around 42,000 common vulnerabilities and exposures (CVEs) in 2025 (NIST, 2026). Left unaddressed, unpatched vulnerabilities are an open invitation to cybercriminals, which is what pen testing is designed to catch before attackers do.
By closing these gaps, pen testing evaluates incident response effectiveness, enhances employee security awareness, supports business continuity, and helps ensure regulatory compliance. Underpinning all of this is a shift in the mindset: security experts need to view networks and IT infrastructure from the perspective of threat actors to successfully prevent, detect, respond to, and recover from cyberattacks. In this blog, we will explore the importance of pen testing in depth and learn the role of a penetration tester.
Types of Penetration Testing
Multiple types of penetration tests are available, each with varying objectives, requirements, and scope.
1. Social Engineering
In a social engineering test, testers attempt to trick employees into giving up sensitive information or allowing the tester access to the organization’s systems. This enables penetration testers to understand the organization’s vulnerability to scams and other social engineering cyberattacks.
2. Network (Internal, External, and Perimeter Devices)
Here, the penetration tester audits a network environment for security vulnerabilities. Network penetration tests can be further subdivided into two categories: external tests and internal tests.
Even though the rise in adoption of cloud and IoT technologies has blurred the lines of the network perimeter, it is still the first line of defense. Regular testing of perimeter devices such as remote servers, routers, desktops, and firewalls can help identify breaches and weaknesses.
3. Web Application
Web application penetration testing identifies vulnerabilities in web applications, websites, and web services. Pen testers assess the security of the code, weaknesses in the application’s security protocol, and the design.
4. Wireless
With wireless technology becoming nearly omnipresent, businesses must identify, evaluate, assess, and defend their wireless infrastructures. Wireless pen testing identifies security gaps within wireless access points, such as WiFi networks and wireless devices. Assessors look for vulnerabilities like weak encryption, Bluetooth exploits, authentication attacks, and malicious wireless devices to prevent data breaches.
5. IoT
IoT penetration testing helps experts uncover security vulnerabilities in the ever-expanding IoT attack surface. This method helps ensure security preparedness by finding misconfigurations and fixing them to make the IoT ecosystem secure. It not only helps prevent security mishaps but also aids in maintaining regulatory compliance and minimizing operational disruptions.
6. OT
As operational technology (OT) systems become more connected, they become more exposed to cyberthreats. Penetration tests assess the resilience of OT industrial control systems to cyberattacks, provide visibility, identify vulnerabilities, and prioritize areas of improvement.
7. Cloud
With cloud computing becoming crucial for businesses’ scalability, organizations must bolster the security of cloud technologies to stay ahead of cyberattacks. Cloud penetration testing is performed to find vulnerabilities in a cloud-based environment. Cloud pen tests provide valuable insights into the strengths and weaknesses of cloud-based solutions, enhance incident response programs, and prevent any outward incidents.
8. Database
Database security is of utmost importance to organizations, as the end goal of an attacker is to gain access to their databases and steal confidential information. Database pen testing checks the privilege level access to the database. Pen testers attempt to access your database, identify access points, and afterward, discuss how to secure your database in the event of a breach.
9. SCADA
Supervisory Control and Data Acquisition (SCADA) systems are a form of industrial control system that can monitor and control industrial and infrastructure processes and critical machinery (Cyber Arch, 2021). SCADA pen testing is an effective method to secure SCADA systems from external threats. It helps gain a comprehensive understanding of any potential risks and security gaps.
10. Mobile Device
Given the staggering number of mobile applications available in the market, they are a lucrative target for malicious actors. An analysis of 54,648 work apps on popular app stores revealed that 88% of the apps contained cryptographic vulnerabilities (Bertona, 2025). Mobile device penetration testing is essential to the overall security posture. It helps assess the security of a mobile device and its applications, discover vulnerabilities, and find flaws in application code.
Penetration Testing Steps
There are five penetration testing steps: reconnaissance, scanning, vulnerability assessment, exploitation, and reporting. Each step builds on the previous step, from collecting information about the target system to documenting findings and recommending fixes. Together, they provide security teams with a structured process for identifying and remediating vulnerabilities before attackers do.
To learn more about what each phase involves, the tools used, and common penetration testing mistakes to avoid, check out this detailed guide to the five phases of penetration testing.
What Happens After a Pentest?
Penetration test results, which are usually summarized and analyzed with a report, help organizations quantify security risks and formulate action plans. These reports provide a comprehensive view of a network and its vulnerabilities, enabling companies to remediate gaps and strengthen their defense, particularly if a report discovers that a network has been compromised.
Building a penetration testing report requires clearly documenting vulnerabilities and putting them into context so that the organization can remediate its security risks. The most useful reports include sections for a detailed outline of uncovered vulnerabilities (including CVSS scores), a business impact assessment, an explanation of the exploitation phase’s difficulty, a technical risk briefing, remediation advice, and strategic recommendations (Sharma, 2026).
Think of penetration tests as medical check-ups. Consistently checking the robustness of cybersecurity measures is vital for any business. Regular assessment ensures that your company can adapt to the ever- evolving threat landscape.
Best Pen Testing Tools
To conduct penetration tests, not only do you need skilled pen testers but also advanced, cutting-edge tools to detect vulnerabilities. Here’s a list of some of the popular pen testing tools on the market.
Nmap
Nmap (Network Mapper) is an open-source utility tool that can carry out tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime (Nmap, n.d.). It uses IP packets to determine what hosts are available on the network, what services they offer, which operating systems they use, and which packet filters/firewalls are in use. Nmap supports all major operating systems, including Linux, Windows, and macOS. Nmap integrates an advanced GUI and various utilities, including Zenmap, Ncat, Ndiff, and Nping.
Metasploit
This is an open-source framework with an ever-expanding database of exploits, enabling pen testers to simulate cyberattacks on networks. Metasploit uncovers systematic vulnerabilities on networks and servers. Its open-source framework allows pen testers to use custom code to find weak points in a network. Metasploit also offers a customization feature that can be used with most operating systems.
Burp Suite Professional
Burp Suite Professional is one of the leading tools for web security testing. Its advanced manual and automated features help identify the top 10 vulnerabilities listed in the OWASP. Burp Suite allows assessors to generate and confirm clickjacking attacks for potentially vulnerable web pages. It lets you alter all HTTP(S) communications passing through your browser and find hidden attack surfaces.
OWASP-ZAP
Zed Attack Proxy (ZAP), maintained under the Open Web Application Security Project (OWASP), is a free, open-source pen testing tool instrumental in testing web applications. It intercepts and inspects messages sent between the browser and web application, alters them, and sends them to their destination. OWASP-ZAP is flexible and extensible, meaning it can be used as a stand-alone application and as a daemon process.
Hydra
Hydra is one of the most effective pen testing tools for performing password and brute force attacks. It is a parallelized login cracker that supports numerous protocols to attack. It’s very fast, flexible, and easy to add new modules to Hydra (KALI, 2022).
Wireshark
This is one of the most widely used network protocol analyzers that helps thoroughly scan network traffic. Wireshark conducts a thorough inspection of hundreds of protocols, which gets updated periodically. It has live capture and an offline analysis feature. Wireshark is a multi-platform tool that can run on Windows, Linux, macOS, Solaris, FreeBSD, and NetBSD. It can integrate the most powerful display filters available in the industry and offers rich VoIP analysis. Penetration testers can browse the captured network data via a GUI or a TTY-mode TShark utility.
John the Ripper
This tool is free, open-source software that helps crack passwords. John the Ripper offers several password-cracking modes and can be configured to meet the user’s requirements. Though it was originally designed for the Unix operating system, it now supports 15 platforms, most of which are Windows, DOS, and OpenVMS versions. The jumbo version of John the Ripper supports hundreds of hash and cipher types, including user passwords of Unix, macOS, Windows, web apps, groupware, database servers, and many more.
To learn about even more tools, check out our guide on the best penetration testing tools and AI pentesting tools for cybersecurity.
Key Benefits of Penetration Testing for Cybersecurity
In the cyber world, ignorance can be costly and dangerous. Pen testing provides critical and actionable information that allows companies to stay ahead of hackers. Here’s how it can help scale up your defenses:
Adherence to Compliance Requirements
Pen testing helps organizations meet regulatory requirements such as PCI DSS, EU GDPR, and ISO 27001. An increase in the mandates and regulations has increased the quantity and scope of pen testing priorities/strategies for 53% of organizations (Fortra, 2024).
Identify and Remediate Vulnerabilities
Penetration tests help identify vulnerabilities that adversaries can exploit, enabling security personnel to remediate them. Pen testers present detailed insights into the weaknesses in an IT environment and recommend policies that can strengthen the security posture. According to a report, 74% of organizations perform pen tests for vulnerability management program support (Fortra, 2024).
Ensure Business Continuity
An organization’s financial loss during a data breach can be astronomical and disrupt its operations. By conducting penetration tests, companies gain insight into potential risks, which can help minimize damages and ensure business continuity.
Enhance Customer Trust
Data breaches can erode customer trust and potentially damage a company’s reputation. Penetration testing minimizes the risk of attacks and assures clients and stakeholders that their data is secure and protected.
Responsibilities of a Penetration Tester
Now that we’ve covered the benefits, types, tools, and phases of penetration tests, let’s look at some of the responsibilities of penetration testers:
- Conduct threat analysis assessments on applications, network devices, and cloud infrastructures
- Perform security audits
- Conduct regular system tests
- Assess the effectiveness of security measures
- Plan, implement, and maintain security controls
- Configure, troubleshoot, and maintain security infrastructure
- Create, review, and update information security policies
- Develop business continuity and disaster recovery plans
- Provide recommendations to fix identified gaps and vulnerabilities
- Document findings and present them in a clear and concise manner
Penetration Testing Career Path: Salary & Job Prospects
As cyberthreats continue to grow, the demand for skilled penetration testers is rising rapidly. The global penetration testing market is projected to grow from USD 1.98 billion in 2025 to USD 4.39 billion by 2031 (MarketsandMarkets, 2026). Due to this demand, organizations offer competitive pay; the average penetration tester salary in the U.S. is approximately $103,782 per year (Payscale, 2026). With the right skills and certifications, a career in penetration testing can be highly rewarding and open doors across industries such as finance, healthcare, cloud, government, and IoT. Learn more in Why Choose a Career in Penetration Testing?
Top Industries That Employ Penetration Testing Professionals
- Healthcare organizations
- Banks and financial services providers
- Cloud services
- Government agencies and organizations
- Energy and utility companies
- IoT devices
- SCADA systems
- Retail and Ecommerce
- IT and ITeS
- Media Tech
Source: (CyberDegrees.org, 2023)
Top Information Security Jobs That Require Penetration Testing Skills
- Penetration Tester
- Ethical Hacker
- Information Security Analyst
- Security Software Developer
- Security Architect
- Chief Information Security Officer
- Information Security Consultant
- Security Engineer
- Security Manager
- Computer Forensics Analyst
- Incident Responder
CPENT AI: Become a Certified Penetration Tester with AI-Powered Skills
If you want to master advanced penetration testing skills, AI pentesting skills, and gain real-world experience, consider EC-Council’s Certified Penetration Testing Professional (CPENT AI) program. It offers extensive hands-on training, AI skills, and blends manual and automated penetration testing approaches. CPENT AI provides you with a unique advantage by enabling you to master a complete hands-on penetration testing methodology and AI skills mapped to all pentesting phases.
The program will teach you to pen test IoT and OT systems, write about your exploits, build your tools, conduct advanced binary exploitation, double pivot to access hidden networks, and customize scripts/exploits to get into the inner segments of networks. A multidisciplinary course, CPENT AI is mapped to the NICE framework.
For more details, visit: Certified Penetration Testing Professional (CPENT AI)
Success Stories from CPENT AI Students
Look at what some successful alumni who aced the CPENT AI exam have to say about the course.
Björn Voitel, an accomplished cyber security consultant, shares his learning experience with EC-Council’s CPENT AI program in the video linked below. He praises the program’s iLabs and Cyber Practice Range for providing real-world experience. CPENT AI strengthened his understanding of operational technology and widened his knowledge base. He also talks about the unique aspects of CPENT AI certifications and the challenges he faced during the exam.
Cyber Security Consultant and External Data Protection Officer
To hear his valuable insights, visit: Björn Voitel | Journey of a Successful CPENT AI Student
Belly Rachdianto, an IT security consultant, shares his CPENT AI certification journey in the video linked below. He says the program equips candidates with the skills required to perform penetration testing in real-world scenarios. Belly calls his experience of teaching CPENT AI “fascinating” because of the detailed content. He also advises candidates to complete all the labs and document their findings.
IT Security Consultant
To hear more from Belly, visit: Belly Rachdianto | Journey of a Successful CPENT AI CEI
Frequently Asked Questions
What is the difference between vulnerability scans and penetration testing?
Vulnerability scanning involves scanning for vulnerabilities in an IT infrastructure, while penetration testing discovers vulnerabilities and attempts to exploit them.
How often should you conduct penetration tests?
Pen testing is a recommended best practice to identify and fix any underlying issues or unpatched vulnerabilities before malicious hackers can exploit them. Therefore, it should be conducted regularly to scale up your defenses. Enterprises conduct periodic penetration tests to meet compliance requirements and identify gaps in security controls. Generally, more frequent pen tests are planned when new IT infrastructure or web applications are rolled out.
Which is the best web application penetration testing certification?
Finding the right web application penetration testing certification that caters to your goals and needs can be challenging. Check out EC-Council’s Web Application Hacking and Security Certification (WAHS), a fully hands-on course that helps cybersecurity professionals hack, test, and secure web applications from existing and emerging security threats.
How does penetration testing differ from ethical hacking?
Penetration testers focus solely on carrying out penetration tests as defined by the client. Ethical hacking is not restricted to testing a client’s IT environment for vulnerabilities to malicious attacks. Ethical hackers are crucial in testing an organization’s security policies, developing countermeasures, and deploying defensive resolutions to security issues.
Learn more about the difference between ethical hacking and penetration testing.
What are the five stage/steps of pen testing in cyber security?
The five penetration testing steps are: Reconnaissance, Scanning, Vulnerability Assessment, Exploitation, and Reporting.
Which are the popular penetration testing tools?
“Here is a list of some of the popular pen testing tools in the market:
1. Nmap
2. Metasploit
3. Burp Suite Professional
4. OWASP-ZAP
5. Hydra
6. Wireshark
7. John the Ripper”
What is penetration testing in cyber security?
Penetration testing in cyber security is an authorized, controlled attack on systems, carried out by ethical hackers to find vulnerabilities before the real attackers do. Pen testers not just reveal the gaps in defenses, from weak passwords to unpatched software, but also provide a clear roadmap to fix them.
What is the average salary for a pen tester in the USA?
The average penetration tester salary in the USA is $103,782 per year.
*Note: All salary information was retrieved from the mentioned sources and is up to date as of June 10, 2026. The salaries mentioned are an estimate for professionals employed in the United States. Actual salaries may vary based on location, education and other qualifications, skills showcased during the interview, and other factors.
References
Bertona, J. F. (2025, April 16). Your Apps are Leaking: The Hidden Data Risks on your Phone, Part 1. Zimperium. https://zimperium.com/blog/your-apps-are-leaking-the-hidden-data-risks-on-your-phone
CyberDegrees.org. (2023, October 04). Penetration Tester Career Overview. https://www.cyberdegrees.org/jobs/penetration-tester/
Federal Register. (2024, December 20). HIPAA Security Rule To Strengthen the Cybersecurity of Electronic Protected Health Information. https://www.federalregister.gov/documents/2025/01/06/2024-30983/hipaa-security-rule-to-strengthen-the-cybersecurity-of-electronic-protected-health-information
Fortra. (2024). 2024 Penetration Testing Report. https://static.fortra.com/core-security/pdfs/guides/fta-cs-2024-pen-testing-report-gd.pdf
KALI. (2022, July 12). Hydra. https://www.kali.org/tools/hydra/
MarketsandMarkets. (2026, March). Penetration Testing Market Size, Size, Growth & Latest Trends. https://www.marketsandmarkets.com/Market-Reports/penetration-testing-market-13422019.html
NIST. (2026, April 15). NIST Updates NVD Operations to Address Record CVE Growth. https://www.nist.gov/news-events/news/2026/04/nist-updates-nvd-operations-address-record-cve-growth
Nmap. (n.d.). Nmap: Discover your network. https://nmap.org/
Payscale. (2026, April 08). Average Penetration Tester Salary. https://www.payscale.com/research/US/Job=Penetration_Tester/Salary
Sharma, S. (2026, July 13). Penetration testing report or VAPT report by Astra Security. Astra. https://www.getastra.com/blog/security-audit/penetration-testing-report/
Synack and Omdia. (2026). The 2026 State of Agentic AI in Pentesting. https://go.synack.com/ai-pentesting-report-omdia
