@sandhiyadhanasekar
Cybersecurity Engineer focused on VAPT and vulnerability research; disclosed a CVSS 8.1 session fixation flaw on zkteco.com.
IndiaI discovered and responsibly disclosed a high-severity session fixation vulnerability on zkteco.com. I verified that an attacker-controlled session ID persisted after authentication and documented the root cause, impact, and remediation.
At UptoSkills Virtual Internship, I’m performing web application VAPT and preparing vulnerability reports. At K7 Computing, I performed malware analysis and contributed to incident investigation workflows and security documentation.
Work history, roles, and key accomplishments
UptoSkills
Jan 2026 - Apr 2026 (3 months)
Performing VAPT on web applications using Burp Suite, SQLMap, Nuclei, and Wapiti, testing for OWASP Top 10 vulnerabilities with CVSS-based risk classifications. Conducting network scanning and log-based analysis using Nmap and Gobuster, and assisting in security auditing and report preparation.
K7 Computing
Mar 2025 - May 2025 (2 months)
Performed static and dynamic malware analysis to identify IoCs, malicious behavior patterns, and threat indicators within secure sandbox environments. Assessed vendor cybersecurity reports and contributed to incident investigation workflows and internal security documentation.
Degrees, certifications, and relevant coursework
Bachelor of Engineering, Computer Science and Engineering (Cybersecurity Specialization)
Grade: 8.39 / 10.0
Pursuing a Bachelor of Engineering in Computer Science and Engineering with a Cybersecurity specialization, expected to graduate in 2027.
Certified LLM Security Professional (CLLMSP), LLM & AI Security
Certified as an LLM Security Professional (CLLMSP) in June 2026.
Introduction to Cybersecurity & CCNA: Introduction to Networks, Cybersecurity and Networking
Completed the Introduction to Cybersecurity and CCNA: Introduction to Networks courses.
Python Essentials 1 & 2, Python Programming
Completed Python Essentials 1 and 2 courses.
Privacy and Security in Online Social Media, Privacy and Security in Online Social Media
Completed the Privacy and Security in Online Social Media course.
VAPT Certification, Vulnerability Assessment and Penetration Testing
Completed a 76-hour Vulnerability Assessment and Penetration Testing course in collaboration with Datayaan.
Software and tools used professionally
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