~$ cat profile.txt
HealthStone — web app hacker · bug bounty hunter · ctf player.
CVE: CVE-2026-55665 — DOM-based XSS in Grist enabling account takeover.
Bug bounty: 294 reports across YesWeHack, Bugcrowd and Intigriti.
CTF: 16 podiums across 23 competitions — incl. 1st National CTF Ukraine, 3rd TFC CTF (1,800 teams), 6th @ DEF CON Bug Bounty Village.
Certs: COAE, CWES, eCPPTv2, eWPT, eJPT, MCRTA, CNPen, CAPen.
Profiles:
YesWeHack ·
Bugcrowd ·
Intigriti