Cyber Command has sought to disrupt the world's largest botnet, hoping to reduce its potential impac

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Source: Washington Post

Cyber Command has sought to disrupt the world’s largest botnet, hoping to reduce its potential impact on the election

By Ellen Nakashima
10/9/2020, 8:16:45 p.m.

In recent weeks, the U.S. military has mounted an operation to temporarily disrupt what is described as the world’s largest botnet — one used also to drop ransomware, which officials say is one of the top threats to the 2020 election.

U.S. Cyber Command’s campaign against the Trickbot botnet, an army of at least 1 million hijacked computers run by Russian-speaking criminals, is not expected to permanently dismantle the network, said four U.S. officials, who spoke on the condition of anonymity because of the matter’s sensitivity. But it is one way to distract them at least for a while as they seek to restore operations.

The effort is part of what Gen. Paul Nakasone, the head of Cyber Command, calls “persistent engagement,” or the imposition of cumulative costs on an adversary by keeping them constantly engaged. And that is a key feature of CyberCom’s activities to help protect the election against foreign threats, officials said.

“Right now, my top priority is for a safe, secure, and legitimate 2020 election,” Nakasone said in August in a set of written responses to Washington Post questions. “The Department of Defense, and Cyber Command specifically, are supporting a broader ‘whole-of-government’ approach to secure our elections.”

Trickbot is malware that can steal financial data and drop other malicious software onto infected systems. ...

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Read more: https://www.washingtonpost.com/national-security/cyber-command-trickbot-disrupt/2020/10/09/19587aae-0a32-11eb-a166-dc429b380d10_story.html