Security researcher profile

yankk

@yankk Verified

Czech Republic Joined 11 months ago

Researcher metrics Updated daily

Reputation 200

points

Hacker power51

Hacker rate75

Research patterns

Top weaknesses

CWE-first trends, with CAPEC used when no CWE is assigned

CWE-284 · Improper Access Control

CAPEC · Navigation Remapping To Propagate Malicious Content

CAPEC · Accessing Functionality Not Properly Constrained by ACLs

CAPEC · Try Common or Default Usernames and Passwords

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition

Operator profile

About yankk

I'm an ethical hacker specializing in web and mobile applications, host / network / infrastructure programs, source code review, API. I respect program scope and responsible disclosure, and I deliver concise, high-quality reports with verified, real vulnerabilities and step-by-step proof of concept to help your cybersecurity team reproduce and fix the issue. If you run a private program, I hope to receive an invitation soon and start contributing to your project.

Recognition vault

Achievements & Hall of Fame

4 unlocks

Hall of Fame Craft CMS Private Bug Bounty Program Jul 2026

Jul 2026

Achievement unlocked Eyewitness

Earned by reporting valid vulnerabilities across multiple bug bounty programs.

Dec 2025

Achievement unlocked Newcomer

Thank you for joining the Hackrate bug bounty community and beginning your ethical hacking journey.

Dec 2025

Achievement unlocked Bounty Hunter

Awarded for submitting valid vulnerability reports and helping organizations become more secure.

Hackrate

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US Patent Applied for HackGATE #63/645,845

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