1. Three Microsoft Defender zero day vulnerabilities codenamed BlueHammer RedSun and UnDefend are being actively exploited in the wild to gain elevated privileges (The Hacker News). 2. The Payouts King ransomware group is utilizing QEMU virtual machines as a reverse SSH backdoor to evade detection by endpoint security solutions (BleepingComputer). 3. The Grinex cryptocurrency exchange has suspended operations following a 13.7 million dollar hack that…