CISA orders feds to patch BlueHammer flaw exploited as zero-day
(bleepingcomputer.com)
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Exploits Turn Windows Defender into Attacker Tool
(darkreading.com)
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BlueHammer abuses Windows Defender's update process to gain SYSTEM access
(news.ycombinator.com)
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Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit
(bleepingcomputer.com)