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Sasi Kumar

Sasi Kumar

Cyber Security Analyst

Chennai
80
Profile Score

About

Highly driven Red Team / Offensive Security Analyst with hands-on experience in web application exploitation, network penetration testing, Active Directory attacks, SIEM threat detection, phishing simulation, and vulnerability management. Known for strong problem-solving skills, continuous learning, and responsible disclosure of 100+ vulnerabilities, earning multiple Hall of Fame recognitions across global platforms. Skilled in building security operations from scratch, performing real-world adversarial simulations, and coordinating remediation with cross‑functional tech teams.

Skills & Expertise (34)

Red Teaming & Offensive Security Advanced
8.5/10
1
Years Exp
Web Application & API Penetration Testing Advanced
8.3/10
1
Years Exp
Active Directory Enumeration & Exploitation Advanced
8.0/10
1
Years Exp
SIEM Monitoring (Wazuh) Advanced
7.8/10
1
Years Exp
Threat Hunting (Network + Endpoint) Advanced
7.5/10
1
Years Exp
LINUX OWASP ZAP Windows Cloud Basics Bash Python (Basic Automation) Metasploit crackmap BloodHound WIRESHARK BurpSuite Wazuh Xcitium Shuffler Patch Verification & Reporting CVE/CVSS Analysis & Prioritization OpenVAS Nessus Qualys Vulnerability Management Detection Rule Creation Log Analysis & Incident Response Blue Team & Detection Engineering Phishing Simulation & Social Engineering Privilege Escalation Lateral Movement Password Attacks OSINT & Initial Access Techniques Internal Network Pentesting

Work Experience

Junior Cyber Security Analyst

iTechIndia Pvt. Ltd

Mar 2025 - Present

Conducted web, API, and network penetration testing, delivering detailed exploitation reports with CVSS scoring. Performed Red Team–style assessments, including enumeration, exploitation, lateral movement, and privilege escalation. Executed AD security assessments with our infra security, to identify, privileges and misconfiguration exploitation. Implemented and managed detections using SIEM, XDR, EDR identifying anomalies and strengthening incident response. Collaborated with development and sysadmin teams to review code and patch vulnerabilities. Built and executed phishing campaigns, raising security awareness among employees. Established the organization’s first structured security process, improving vulnerability lifecycle management. Responded to production security incidents, identifying root cause and mitigating high-risk vulnerabilities.

Education

B.Sc Computer Science - Shanmuga Industries Arts & Science

- 2024 · Afghanistan

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceJul 2025

Availability Details

Visa Status

Need Sponsorship

Relocation

Depends on Offer

Skills (34)

Red Teaming & Offensive Security Web Application & API Penetration Testing Active Directory Enumeration & Exploitation SIEM Monitoring (Wazuh) Threat Hunting (Network + Endpoint) LINUX OWASP ZAP Windows Cloud Basics Bash +24 more