A high-severity vulnerability plaguing old Cisco routers is being used to build a malicious, global botnet, experts have warned. Cybersecurity researchers Sekoia published an in-depth report on the ...

Researchers uncover SSHStalker, an IRC botnet exploiting legacy Linux flaws and SSH servers to build persistent covert access.

The SSHStalker Linux botnet has ensnared 7,000 systems, deploying various scanners and malware, an IRC bot, and multiple kernel exploits.

Bottom line: The US Treasury Department has slapped sanctions on the shady individuals behind the notorious 911 S5 botnet hacking operation. This malicious network of compromised residential computers ...

Kimwolf is a botnet that surfaced in late 2025 and quickly infected millions of systems, turning poorly secured IoT devices like TV streaming boxes, digital picture frames and routers into relays for ...

The FBI has released a security notice warning about the risk of cyber attacks targeting end-of-life routers. These routers are no longer supported by their makers and do not get new software updates ...

A newly discovered botnet is compromising poorly-protected Linux servers by brute-forcing weak SSH password login authentication. Researchers at Canada-based Flare Systems, who discovered the botnet, ...

Hackers resurrect 90s IRC tricks with SSHStalker, using old exploits to quietly compromise thousands of Linux servers ...

An apparent Russian script kiddie is converting widespread security gaps into a powerful botnet capable of launching global-scale distributed denial-of-service attacks. See Also: Reduce Cloud Risk in ...

Law enforcement authorities have dismantled a botnet that infected thousands of routers over the last 20 years to build two networks of residential proxies known as Anyproxy and 5socks. The U.S.