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
Nethemba12 hours ago
Snuffleupagus is a PHP7+ and PHP8+ module designed to drastically raise the cost of attacks against websites. This is achieved by killing entire bug classes and providing a powerful virtual-patching system, allowing the administrator to fix specific vulnerabilities without having to touch the PHP code.
https://snuffleupagus.readthedocs.io/
Nethemba
Nethemba14 hours ago
Switch off all your PHP websites NOW!
Until you have the latest patch (which was not released yet)

The exploit https://jackalsyn.com/posts/php-up-2026.html
Nethemba
Nethemba1 day ago
Open Source Intelligence (OSINT): Gathering Information on a WhatsApp Account
https://hackers-arise.com/open-source-intelligence-osint-gathering-information-on-a-whatsapp-account/