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A botnet is a network of compromised internet-connected devices controlled remotely by an attacker through malware. These devices, known as bots, receive commands from centralized or decentralized command-and-control (C2) servers to perform coordinated actions such as launching Distributed Denial of Service (DDoS) attacks, sending spam, or distributing additional malware. Botnets vary in size and complexity, often leveraging vulnerabilities in devices or weak authentication to propagate.

In information security, botnets pose significant risks including large-scale service disruptions from DDoS attacks and the unauthorized use of infected devices for malicious activities. Detecting botnet activity involves monitoring network traffic for unusual patterns and identifying communication with known C2 infrastructure. Effective defense includes timely patching of vulnerable systems, blocking C2 domains or IPs based on threat intelligence, and isolating infected hosts to prevent further spread or damage. Coordinated efforts to disrupt botnet infrastructure can reduce their operational impact.

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Showing 20 most recent headlines of 67 Filtered view

The botnet’s still alive and evolving Badbox 2.0, the botnet that infected millions of smart TV boxes and connected devices before private security researchers and law enforcement partially disrupted its infrastructure, is readying for a third round of fraud and digital attacks, according to one of the threat hunters who uncovered the original scheme.…

The Register 11 Jun 2025, 6:28 p.m. Botnet CISO Fraud Infection Research Warning

And the associated fraud'n'spy botnet is about to be shut down The US Department of Justice has unsealed indictments against 16 people accused of spreading and using the DanaBot remote-control malware that infected more than 300,000 computers, plus operating a botnet of the same name, and appears set to shutter its operations.…

The Register 23 May 2025, 1:31 p.m. Botnet Fraud Infection Malware Shut Down

The FBI also issued a list of end-of-life routers you need to replace Earlier this week, the FBI urged folks to bin aging routers vulnerable to hijacking, citing ongoing attacks linked to TheMoon malware. In a related move, the US Department of Justice unsealed indictments against four foreign nationals accused of running a long-running proxy-for-hire network that exploited outdated routers to funnel criminal traffic.…

The Register 11 May 2025, 2:02 a.m. Botnet End of Life FBI Malware .NET Proxy Routers Vulnerability

Best not to buy cheap hardware and use third-party app stores if you want to stay clear of this vast ad fraud effort Human Security’s Satori research team says it has found a new variant of the remote-controllable Badbox malware, and as many as a million infected Android devices running it to form a massive botnet.…

The Register 7 Mar 2025, 2:51 p.m. Android Botnet Fraud Infection Malware Research