DHS cyber chief out after debunking Trump's election claims - POLITICO
- DHS cyber chief out after debunking Trump's election claims POLITICO
- Top cybersecurity official ousted by Trump | TheHill The Hill
- Trump Fires Top U.S. Election Cybersecurity Official Who Defended Vote U.S. News & World Report
- Trump ousts Homeland Security cyber chief Chris Krebs, who called election secure USA TODAY
- The Cybersecurity 202: The next big disinformation fight is coming – over coronavirus vaccines Washington Post
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