Roles in Cybersecurity

Discover the key roles in cybersecurity. Perfect for beginners looking to enter the cybersecurity field!

Krit Karnjanakrajang

Krit Karnjanakrajang

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Krit Karnjanakrajang

Krit Karnjanakrajang

Founder

A visionary leader with a passion for technology, He expertise in Business Analyst and AI integration helps the team deliver exceptional results on time, he leads the team towards transformative results.

Discover the key roles in cybersecurity.

Roles in Cybersecurity

Cybersecurity is a broad field with multiple roles, each with distinct responsibilities. Understanding these roles helps you decide where you fit in and how different teams work together to protect an organization.

1. Overview of Cybersecurity Roles

Cybersecurity professionals are often grouped into different teams based on their function and objectives:

  • Red Team – Offensive security experts who simulate real-world attacks to test an organization’s defenses.

  • Blue Team – Defensive security experts who detect, prevent, and respond to cyber threats.

  • Purple Team – A mix of both Red and Blue teams that work together to improve security by sharing insights.

  • Other Roles – Security Analysts, Incident Responders, Threat Hunters, and SOC (Security Operations Center) Teams support various aspects of security.

Where Pentesters, Red Teamers, and Security Analysts Fit Within Organizational Security

  • Pentesters (Penetration Testers): Focus on finding vulnerabilities by simulating attacks within a defined scope and timeframe.

  • Red Teamers: Perform long-term, stealthy simulations of real-world threats to evaluate overall security posture.

  • Security Analysts: Monitor, detect, and respond to threats using security tools and logs. They form the backbone of Blue Teams.

Each role contributes to a comprehensive security strategy. Now, let’s break them down.


2. Pentester (Penetration Tester)

Core Responsibilities

A penetration tester (pentester) is like an ethical hacker. Their main job is to simulate cyberattacks to find security weaknesses before real attackers do. This includes:

  • Reconnaissance – Gathering information about the target (e.g., open ports, employee emails, software versions).

  • Exploitation – Attempting to breach security controls using known exploits.

  • Post-Exploitation – Gaining deeper access, moving laterally, and evaluating the impact of a successful attack.

  • Reporting – Documenting vulnerabilities and providing recommendations for fixing them.

Common Methodologies

Pentesting can be performed using different approaches:

  • Black-Box Testing – Simulating an external attacker with no prior knowledge of the system.

  • White-Box Testing – Testing with full knowledge of the system, including access to source code and configurations.

  • Gray-Box Testing – A mix of both, where the tester has limited knowledge of the system.

Tools of the Trade

Pentesters rely on specialized tools, including:

  • Network ScannersNmap, Masscan

  • Vulnerability ScannersNessus, OpenVAS

  • Exploit FrameworksMetasploit, ExploitDB

  • Password CrackersJohn the Ripper, Hashcat

  • Web Security ToolsBurp Suite, OWASP ZAP


3. Red Teamer

Difference Between Red Teaming and Penetration Testing

  • Pentesting is about finding vulnerabilities quickly within a short engagement window.

  • Red Teaming is a long-term engagement that focuses on mimicking advanced persistent threats (APTs) to evaluate an organization’s detection and response capabilities.

Red Teaming Approach

  • Initial Access – Using phishing, social engineering, or zero-day exploits to gain access.

  • Lateral Movement – Expanding access inside the network undetected.

  • Privilege Escalation – Gaining higher-level permissions.

  • Persistence – Ensuring access remains even after detection attempts.

Coordination with Blue Teams for Continuous Improvement

Red Teaming isn’t just about attacking; it also involves helping the Blue Team improve. After an engagement, Red Teamers work with defenders to:

  • Share attack techniques and indicators of compromise (IOCs).

  • Improve security controls and detection mechanisms.

  • Train security teams to respond more effectively.


4. Security Analyst

Role in Monitoring, Detection, and Incident Response

A Security Analyst is part of the Blue Team and works in a SOC (Security Operations Center). Their job is to:

  • Monitor security logs and alerts to detect potential threats.

  • Investigate incidents and determine if they are false positives or real attacks.

  • Respond to threats by containing, analyzing, and mitigating attacks.

Essential Skills

To be effective, a Security Analyst must master:

  • Log Analysis – Understanding logs from firewalls, SIEMs, IDS/IPS.

  • SIEM Solutions – Using tools like Splunk, ELK Stack, Microsoft Sentinel to analyze threats.

  • Threat Intelligence – Tracking real-world threats and attackers’ tactics.

  • Incident Handling – Following frameworks like NIST, MITRE ATT&CK for responding to threats.

Collaboration with Other Teams

Security Analysts don’t work alone; they interact with:

  • Pentesters – Reviewing pentest reports and fixing identified weaknesses.

  • IT Departments – Ensuring security policies are enforced across the network.

  • SOC Teams – Responding to and investigating alerts together.


How to Start Learning These Roles

For Pentesters:

  1. Learn networking basics – Understand TCP/IP, firewalls, and ports.

  2. Master Linux and Windows – Most attacks happen on these systems.

  3. Practice with tools – Start with Nmap, Metasploit, Burp Suite.

  4. Join CTFs (Capture The Flag challenges) – Websites like Hack The Box and TryHackMe are great for practice.

  5. Get certificationsOSCP (Offensive Security Certified Professional) is highly respected.

For Red Teamers:

  1. Learn offensive security deeply – Study persistence, privilege escalation, and lateral movement.

  2. Understand adversary tactics – Follow MITRE ATT&CK framework.

  3. Use stealthy tools – Master Cobalt Strike, Empire, Mimikatz.

  4. Simulate phishing attacks – Social engineering is key in Red Teaming.

  5. Work on real-world scenarios – Try red teaming labs like Pentester Academy and Advanced Persistent Training.

For Security Analysts:

  1. Develop log analysis skills – Study logs from firewalls and SIEMs.

  2. Understand malware behavior – Learn about attack signatures and indicators.

  3. Practice incident response – Use TheHive, Velociraptor, and GRR Rapid Response.

  4. Follow cybersecurity news – Stay updated with Threat Intelligence Feeds.

  5. Earn certificationsCompTIA Security+, GSEC, CISSP, or GCIA can boost your career.

Following LinkedIn pages for news updates

  1. Daily REDTeam
  2. Hacking Articles
  3. Cyber Edition
  4. Steven Lim
  5. Cybersecurity Insights
  6. Group-IB
  7. Kennedy T
  8. SecureB4
  9. DevSecOps Guides
  10. Cyber Security News ®

Final Thoughts

Cybersecurity has different roles, but they all work together to protect organizations. If you enjoy offensive security, becoming a Pentester or Red Teamer is a great choice. If you prefer defensive security, working as a Security Analyst in a SOC is a rewarding path.

Start with the basics, build hands-on skills, and gain experience through practice labs and certifications. With dedication, you’ll become a strong cybersecurity professional.

🚀 Now, which role interests you the most?

Test Your Knowledge

  • Which of the following best describes the main responsibility of a Pentester?

  • Which team is primarily responsible for long-term, stealthy adversarial simulations to test an organization’s security defenses?

  • What is the main difference between penetration testing and Red Teaming?

  • Which of the following tools is commonly used for privilege escalation during a Red Team engagement?

  • A Security Analyst working in a SOC is investigating an alert from the SIEM system. What is the most likely next step in the incident response process?

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