Available for opportunities
Arjun

Arjun A

SOC Analyst · Cybersecurity Engineer · Network Security · Server Administration

Kerala, India  ·  Immediate Joiner  ·  Open to Relocation

CEH-certified Cybersecurity professional with hands-on experience in SOC operations, SIEM monitoring, incident response, vulnerability assessment and threat detection. Skilled in Wazuh SIEM, Microsoft Sentinel, Sysmon, MITRE ATT&CK, OpenVAS, Wireshark, Burp Suite and Windows Server administration.

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Core Skills

📡SOC Monitoring
📊SIEM Management
🔍Threat Hunting
🌐Web App Testing
☁️Cloud Security
🔒Incident Response
🎯Penetration Testing
🛡️Network Security
🖥️Server Hardening
🔗Network Administration
⚙️Server Administration
🧱Firewall & IDS/IPS

Projects

SOC · SIEM · EDR

SOC — Enterprise EDR & Threat Hunting Grid

Built an enterprise SOC lab with Wazuh SIEM monitoring Windows Server and Ubuntu endpoints. Simulated ransomware (MITRE T1490) and validated detection through SIEM alerts.

Wazuh · Sysmon · MITRE ATT&CK · Atomic RedTeam · FIM
View on GitHub →
VAPT · Compliance · Automation

VulnVision 360

Continuous compliance and threat exposure engine for persistent vulnerability tracking. Automated asset discovery, CVSS-based prioritization and CIS Benchmark assessments.

OpenVAS · OpenSCAP · Nmap · CVSS · CIS Benchmarks · Bash
View on GitHub →
Server · Active Directory

Windows Server 2016 Domain Lab

Built a complete Active Directory domain in VirtualBox. Configured DNS, DHCP, AD DS, users, groups, OUs and GPOs for centralized administration.

Windows Server 2016 · AD DS · DNS · DHCP · GPO · VirtualBox
Personal Lab
Server · Hardening

Server Administration & Security Hardening

Configured Windows Server and Linux environments with security best practices, access controls and audit policies.

Windows Server · Linux · Access Control · Audit Policies
Personal Lab

Experience

Infotact Solutions · Bangalore, India
Security Admin Associate L1
Jan 2026 – Mar 2026 · Internship
  • Deployed Wazuh SIEM across Windows Server and Ubuntu endpoints to centralize security monitoring.
  • Developed custom detection rules mapped to MITRE ATT&CK techniques.
  • Investigated security alerts and validated ransomware detection using Atomic Red Team.
  • Conducted authenticated vulnerability assessments using OpenVAS, prioritized by CVSS.
  • Configured Active Response to automatically block SSH brute-force attacks.
RedTeam Hacker Academy
Cybersecurity Training
2025 · Training Internship
  • Vulnerability assessment and penetration testing on web and network environments.
  • SIEM & SOC monitoring using Wazuh and Splunk.
  • Log analysis, threat detection and incident monitoring.
  • Used Nmap, Burp Suite, Wireshark, Metasploit and OpenVAS.
  • Active Directory, Windows Server administration and security hardening.
TryHackMe · PortSwigger · Personal Labs
Self-Directed Security Practice
Ongoing
  • Practical labs in SQL Injection, XSS, enumeration, exploitation and SOC monitoring.
  • Wazuh SIEM deployment and enterprise threat simulation in home lab.
  • Web application testing using Burp Suite and OWASP methodologies.
  • Virtual lab environments with Kali Linux and Windows Server.
  • Active participation in CTF challenges and security research.

Certifications

🏆

Certified Ethical Hacker (CEH v13)

EC-Council · ID: ECC4075298163

🎖️

Advanced Diploma in Cyber Defence

RedTeam Hacker Academy

🌐

Cisco Labs Crash Course

EC-Council

🕵️

Dark Web, Anonymity & Cryptocurrency

EC-Council

Tools & Technologies

Recon & Scanning
  • Nmap
  • Nessus
  • OpenVAS
  • Netdiscover
Web App Testing
  • Burp Suite
  • OWASP ZAP
  • SQLMap
  • Dirsearch
Exploitation
  • Metasploit
  • Hydra
  • John the Ripper
  • Hashcat
SOC & SIEM
  • Splunk
  • Wazuh
  • ELK Stack
  • Sentinel
Network Analysis
  • Wireshark
  • tcpdump
  • Snort
Cloud Security
  • Microsoft Azure
  • MS Sentinel
  • AWS EC2
Platforms
  • Kali Linux
  • Windows Server
  • Linux Servers

Contact Me

Let's Connect

Open to cybersecurity roles, collaborations and freelance work. Whether it's a SOC position, penetration testing project or just a conversation about security — reach out anytime.