We care about
your security.
Nethemba is a leading Slovak IT security firm specialized in web security, penetration testing, and RFID security audits. Since 2007, we’ve been securing businesses with cutting-edge research and expertise, trusted by companies worldwide.
We care about
your security.
Nethemba is a leading Slovak IT security firm specialized in web security, penetration testing, and RFID security audits. Since 2007, we’ve been securing businesses with cutting-edge research and expertise, trusted by companies worldwide.
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Application Security
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Summer news: Hacker discount of 13.37% on all our services + great educational hacker videos + see you at WHY2025!
For our loyal and new customers, we are offering a 13.37% discount on all penetration tests and security audits, provided the binding order is received by August 31, 2025, and the work commences before this date. If you are planning penetration testing or security audits this year, consider rescheduling them for the summer. Not only […]
Read MoreHow to maximize anonymity when accessing the Internet on mobile
The problem of mobile anonymity Dystopia is in full swing in Europe, and achieving true anonymity from mobile devices is a big problem. The picture below shows that most countries require mandatory registration of SIM cards on the national ID or passport. This means that all mobile operators in a given state (and, of course, […]
Read MoreDiscovery of CVE-2022-24833
When on a security audit for a client it was discovered that a key component – the open-source private paste service PrivateBin contained a previously undocumented flaw. Cross-site-scripting is nothing new. I actually feel there must be prehistoric cave paintings and markings somewhere in the world containing some variation of <script>alert(1)</script>. Although XSS payloads embedded […]
Read Morehttps://github.com/xbow-engineering/validation-benchmarks
AI agent benchmark results across security platforms
https://0ca.github.io/BoxPwnr-Traces/stats/platform.html?platform=xbow
Claude Mythos Preview found thousands of zero-day exploits in every major operating system and web browser...
The numbers are hard to believe:
> $50 to find a 27-year-old bug in OpenBSD, one of the most security-hardened operating systems ever built
> Under $1,000 to find AND build a fully working remote code execution exploit on FreeBSD that grants unauthenticated root access from anywhere on the internet
> Under $2,000 to chain together multiple Linux kernel vulnerabilities into a complete privilege escalation exploit
For context: these are the kinds of findings that previously required elite security researchers working for weeks.
Anthropic engineers with no formal security training asked Mythos to find exploits overnight. They woke up to working code the next morning.
The results were so impressive Anthropic assembled Apple, Google, Microsoft, Amazon, NVIDIA, and seven other organizations into Project Glasswing:
A $100M defensive coalition. They're not releasing this model publicly. Instead, they're racing to patch the world's infrastructure before models like this proliferate.
https://x.com/JoshKale/status/2041589742303649802
https://red.anthropic.com/2026/mythos-preview/
