About Halmos
Halmos is a specialized penetration testing company consisting of world-class bug bounty hunters and elite hackers. We've successfully breached some of the largest organizations in the world, consistently proving our capabilities against even the most fortified defenses.
Why Choose Us?
- World-Class Talent: Proven bug bounty hunters and seasoned hackers.
- Elite Track Record: We've hacked into some of the biggest organizations globally.
- Fixed-Cost Projects: Clear, upfront pricing with no hidden fees. Are we cheap? no. But we are the best.
- No False Positives: We only report real vulnerabilities. No scanner spam.
- Real-World Blackbox Testing: No source code or disabling defenses required—we hack like real attackers.
We've Hacked
Governments
Banks
Brands
and much more...
Our Services
Penetration Testing
Comprehensive real-world penetration testing across all platforms. Unlike competitors we can operate entirely blackbox, no need to disable defences or give us a list of assets. We'll handle all of that. No finding, no fee.
Hacking Back and Advanced Forensics
Specialized techniques for countering attackers, including attribution, retribution, and detailed forensic analysis to identify and mitigate attacks.
Cyber Security Consulting
Expert advice and strategic consulting on cybersecurity practices, including up to an hour of complimentary consulting per client per week, with flexible roll-overs and retainer options.