<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>cybercrime.club</title><link>https://cybercrime.club/tags/bluehammer/</link><description>Infrastructure security news for people who build infrastructure.</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><lastBuildDate>Sat, 18 Apr 2026 07:08:52 -0400</lastBuildDate><atom:link href="https://cybercrime.club/tags/bluehammer/" rel="self" type="application/rss+xml"/><item><title>RedSun and UnDefend: Two More Defender Zero-Days Dropped, All Three Now Exploited in the Wild</title><link>https://cybercrime.club/posts/redsun-undefend-defender-zero-days-all-three-exploited/</link><pubDate>Sat, 18 Apr 2026 07:08:52 -0400</pubDate><guid>https://cybercrime.club/posts/redsun-undefend-defender-zero-days-all-three-exploited/</guid><description>The same disgruntled researcher who dropped BlueHammer has now released RedSun and UnDefend. Huntress confirms all three Windows Defender zero-days are now being weaponized in hands-on-keyboard intrusions. Two remain unpatched.</description><category>vulnerabilities</category></item></channel></rss>