Previously, they were controlled exclusively through Internet Relay Chat (IRC) channels, but are now increasing being manipulated through other means, such as Web, instant messaging or peer-to-peer. ![]() In addition, botnets are evolving and getting nastier. They are then herded into botnets that can force zombie machines to work together to perform any task. A bot is seeded by attackers through worms, viruses or other means to exploit desktop and server vulnerabilities. The recent arrest of 20-year old Californian man who made $60,000 by selling access to botnets to spammers and hackers is evidence of the growing menace.Ī bot is a malicious software program that invades computer so that it can covertly be controlled by a remote attacker. Botnets, which with their proliferation, sophistication and criminal use is emerging as number one security threat. However, something more dangerous is emerging. ![]() Network intrusions, data theft using Trojan horses, viruses and worms are among the threats security experts worry about on a regular basis.
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