Patch by midnight, and reply by endorsement. Cerberus is howling; Rampant Kitten is yowling. TikTok and WeChat both get reprieves. German police want ransomware operators for homicide.

CISA tells the Feds to patch Zerologon by midnight tonight. Cerberus surges after its source code is released. Rampant Kitten, an Iranian surveillance operation, is described. The US bans on WeChat and TikTok were both postponed. Justin Harvey from Accenture marks three years since wannacry with a look at ransomware. Our own Rick Howard on red and blue team operations. And police in Germany are looking for ransomware attackers on a homicide charge. For links to all of today's stories check out our CyberWire daily news brief: https://www.thecyberwire.com/newsletters/daily-briefing/9/183 Learn more about your ad choices. Visit megaphone.fm/adchoices