Nethemba | We care about your security

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.

BLOG

Facebook

Nethemba
Nethemba2 hours ago
There’s a new way to break RSA that’s faster than anything we’ve seen before:
Until now, cryptographers thought factoring was the only way to break RSA. Not anymore.
https://arstechnica.com/security/2026/09/theres-a-new-way-to-break-rsa-thats-faster-than-anything-weve-seen-before/
Nethemba
Nethemba17 hours ago
What is the most private messenger? I ranked every messaging app!
https://m.youtube.com/watch?v=fkjY1usppkM
Nethemba
Nethemba22 hours ago
#88 Knife (HackTheBox) (Easy) Not So Sharp...

A backdoored PHP version allowing RCE gives us a shell on this system, after which it died multiple times. We eventually managed to run elevated ruby code via the knife application.
https://www.youtube.com/watch?v=Z7W4gvmCmdA