Security Engineer & Researcher
Kabir
Acharya.
Senior security engineer with a deep passion for technical pentesting and security research. Securing Australia's largest electricity network and its OT environment. CTF competitor on the global stage with Emu Exploit, HashMob, and TheHackersCrew.
Senior Pentest & CTI
AI/LLM Security · OT Security
Transgrid
Ex-Atlassian
Rank
#1
Player on SecDim
Ranked first; consistent top-tier performance across all challenges.
CTF
TheHackersCrew
Playing for an international team aiming for global #1.
#11
2023
#3
2024
#10
2025
CTF
3x
DUCTF Winner
DownUnderCTF champion with Blitzkrieg - Australia's largest CTF.
CTF
Emu Exploit
Playing for an Australian CTF team on the global stage.
CTF & Cracking
HashMob
Member of the HashMob Pro Team, the #1 Crack Me If You Can team.
Labs
Top 1%
TryHackMe
Labs
HackTheBox
Rank: Hacker
Labs
Top 1000 on Hextree
High ranking across challenges
OT/ICS Security
Winner of the 2025 Dragos CTF
Currently
Transgrid
Senior Cyber Security Testing Intelligence Engineer
Securing Australia's largest electricity network