Kabir Acharya is a security engineer and researcher specializing in penetration testing, cyber threat intelligence, AI and large language model security, and operational technology security. He is a senior pentester and CTI professional at Transgrid, where his work sits alongside a broader interest in highly technical security testing, agentic hacking, and security research. Acharya is also an active capture-the-flag competitor, participating on the global stage with teams including Emu Exploit, HashMob, and TheHackersCrew.

His competition record includes first-place finishes and named team wins across events such as BSides Canberra, ImaginaryCTF, UIUCTF, BCACTF, and CTFZone, as well as solo and team achievements at DownUnderCTF and Dragos CTF. Through his website, he shares security research and technical writing, including an investigation into a live watering-hole attack involving a poisoned CDN dependency and a software vulnerability. The site also provides links to his projects and professional profiles on GitHub, LinkedIn, and X