Penetration Tester
4 days ago
Key Skills for a Penetration Tester (Pen Tester)
Penetration testers, often called ethical hackers, simulate cyberattacks to find and exploit vulnerabilities in systems, networks, applications, and processes. Below, I have outlined essential skills grouped by the focus areas in your query: ethical hacking, vulnerability assessment, network security, and DevSecOps. These are drawn from industry guides, job descriptions, and certification paths, emphasizing both technical and soft skills. Skills are prioritized based on commonality across sources, with top and underrated ones highlighted.
Ethical Hacking Skills
These involve thinking like an attacker to evaluate defences ethically, including reconnaissance, scanning, exploitation, and reporting.
- Ability in ethical hacking methodologies: Master the five phases (reconnaissance, scanning, vulnerability assessment, exploitation, reporting) and tools like Metasploit, Burp Suite, and OWASP ZAP.
- Social engineering tactics: Simulate phishing, pretexting, and baiting to evaluate human vulnerabilities.
- Exploit development and reverse engineering: Write custom exploits and analyse software to uncover hidden weaknesses.
- Underrated: Creativity and persistence: Innovate attack vectors and persist through failures to mimic real threats.
Vulnerability Assessment Skills
Focus on finding, prioritizing, and mitigating weaknesses before exploitation.
- Vulnerability scanning and analysis: Use tools like Nessus, Qualys, and Nmap to detect and evaluate risks in systems and apps.
- OWASP Top 10 knowledge: Find common web app flaws like injection attacks and broken authentication.
- Root cause analysis: Trace issues to technical or process gaps and recommend remediations.
- Advanced threat modelling: Assess sophisticated risks like zero-days and supply chain attacks.
Network Security Skills
Emphasize securing and testing wired/wireless infrastructures against unauthorized access.
- Network protocol ability: Deep knowledge of TCP/IP, HTTP, DNS, and evasion techniques for firewalls/IDS.
- Wireless and wired testing: Use tools like Aircrack-ng and Wireshark to probe for gaps in Wi-Fi and LAN setups.
- OS exploitation: Target Windows, Linux, and macOS vulnerabilities in network environments.
- Underrated: Scripting for automation: Python, Bash, or PowerShell to streamline network scans and exploits.
DevSecOps Skills
Integrate security into CI/CD pipelines, ensuring "shift-left" testing in agile environments.
- CI/CD pipeline integration: Embed pen testing into automated workflows using tools like Jenkins or GitLab for continuous vulnerability checks.
- Cloud security: Assess AWS, Azure, or GCP misconfigurations and IaC vulnerabilities (e.g., Terraform scans).
- Threat modelling and risk assessment: Embed security reviews in development cycles, including SAST/DAST tools.
- Underrated: Collaboration with devs: Forceful communication to provide actionable feedback without slowing releases.
Top Certifications
- CEH, OSCP, C|PENT (Ethical hacking)
- GIAC GPEN, CompTIA PenTest+ (Vulnerability Assessment)
- C|ND, CISSP (Network Security)
- D|SE, AWS Certified Security( DevSecOps)
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