Roei G.

Performed detection and investigation of simulated attacks such as phishing, malware infections, and insider threats. Performed infrastructure attacks including Kerberoasting, Network enumeration, privilege escalation and Persistence techniques while understanding their mitigations. Developed custom malwares using Python, Bash and PowerShell, focusing on AV evasion by developing custom payloads for advanced attacks. Conducted malware analysis using Ghidra, DnsSpy, and manual analysis focusing on identifying malicious indicators and detection signatures. Documented vulnerabilities, attack chains and mitigation recommendations while maintaining a clear professional explanation.