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.

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Critical security problem in UpdraftCentral: an attacker holding the service’s keys planted a backdoor on our websites

On the night of 19 October 2026 an attacker abused UpdraftCentral, the remote management service built into UpdraftPlus, a backup plugin with more than 4 million installations, and planted a backdoor on two of our three websites. Our sites were fully up to date and the fault was not on our side: the attacker signed the commands with valid keys that the UpdraftCentral Cloud service generates and keeps. We publish an analysis of the backdoor, indicators of compromise and a...

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Nethemba
Nethemba20 hours ago
#89 Jarvis (HackTheBox) (Medium) How To Deal With Connection Issues...
SQL injection (involving a WAF bypass) allows us to write a shell in the webserver root. We then abuse a custom python application to gain more rights as another user. Finally systemctl with SUID rights grants us root access after a period of losing my mind.

https://www.youtube.com/watch?v=BoChqSyOi48
Nethemba
Nethemba1 day ago
Praxeológia súkromia: Ekonomická logika v cypherpunkovej implementácii
Max Hillebrand · Slovenský preklad tretieho vydania
https://towardsliberty.com/pop/sk/
Nethemba
Nethemba4 days ago
Agent skill for rigorous bug bounty report triage, validation, severity escalation, and submission-ready reporting.
https://github.com/Sequester-AG/bug-bounty-triage
https://x.com/Zaddyzaddy/status/2108649164615696874