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
Nethemba2 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
Nethemba13 hours 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/
Nethemba
Nethemba15 hours ago
The PHP security team would like to give advance notice of an upcoming security release.
It is scheduled for Wednesday, 21 October 2026 at 14:00 UTC.
It addresses two critical vulnerabilities, both rated CVSS v4.0 9.2.
All PHP users are encouraged to prepare now so they can upgrade as soon as the release is available.
#2026-10-20-1" target="_blank" rel="noreferrer">https://www.php.net/archive/2026.php#2026-10-20-1