This week cybersecurity firm GreyNoise discovered that cybercriminals were silently installing backdoors in ASUS routers, seemingly with a view to using them for further attacks. The company first ...

TL;DR: GreyNoise uncovered the AyySSHush botnet infecting over 8,000 hosts, mainly ASUS routers, exploiting known bypass bugs to gain persistent SSH backdoor access that survives firmware updates.

When thinking about computer security, you probably consider your PC and phone first and foremost. But there’s a lot of hardware between you and the nebulous malefactors of the internet, and it’s ...

In March 2025, security firm GreyNoise uncovered a stealthy campaign that’s quietly turned thousands of ASUS home and small-office routers into persistent beachheads for unauthorized SSH access. The ...

An IT security firm has discovered a sophisticated campaign to compromise Asus routers. The built-in backdoor is extremely persistent. Thousands of Asus routers have been taken over by unknown parties ...