Most botnets are usually pretty obvious to detect -- the conspicuous Internet Relay Chat (IRC) connections they use are often a dead giveaway. But botnet operators are now starting to use stealthier ...

Some old botnets never die: An old-school botnet is alive and well and now silently propagating pay-per-install scams, according to a new research paper released today. SDBOT, an IRC-based botnet that ...

SSHStalker uses IRC channels and multiple bots to control infected Linux hosts Automated SSH brute-forcing rapidly spreads the botnet through cloud server infrastructures Compilers are downloaded ...

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, ...

Security experts say botnets are increasingly becoming more difficult to trace as criminal hackers have developed clever means to hide them. Botnets are networks of computers infected with code that ...

Authorities in Singapore shut down a large network of around 10,000 robot, or “zombie,” computers this week, after technicians at Norwegian Internet service provider Telenor ASA stumbled on the ...

As a follow-up to last week’s article on detecting the presence of a botnet on your network, I have more advice from experts in this arena. IBM’s Internet Security Systems X-Force gives specific ...

A Romanian botnet group named 'RUBYCARP' is leveraging known vulnerabilities and performing brute force attacks to breach corporate networks and compromise servers for financial gain. According to a ...

Botnets are networks of computers taken hostage by malware that controls them and makes them send spam and act in other nefarious ways. They’re growing in size, number and impact. A botnet may be ...

Three men have been arrested in the Netherlands on suspicion of controlling a vast illegal computer network made up of more than 100,000 “zombie” personal computers. The colossal scale of the network ...