German authorities identify REvil and GangCrab ransomware bosses

A collection of BleepingComputer reports highlighting multiple high-risk incidents and active exploit campaigns: German authorities identified alleged REvil and GandCrab leaders; a new GPUBreach GPU Rowhammer attack can induce GDDR6 bit-flips to enable full system takeover; a disgruntled researcher leaked an unpatched Windows privilege-escalation zero-day dubbed "BlueHammer"; Microsoft links a China-based Medusa affiliate (Storm-1175) to n-day/zero-day ransomware deployments. Urgent enterprise issues include CISA ordering federal patching for an actively exploited FortiClient Enterprise MS (CV