Cyber Espionage, again. Patched SolarWinds yet? Patch Tuesday. The international conference on ransomware has begun. Booter customers get a warning. A disgruntled insider alters aircraft records.

A Chinese-speaking APT is distributing the MysterySnail RAT in what appears to be a cyberespionage campaign. Some users still haven’t patched vulnerable SolarWinds instances. Notes on yesterday’s Patch Tuesday. The US-convened international ransomware conference kicked off today, and Russia wasn’t invited. Former users of a criminal booter service get a stern warning letter from the Dutch police. Caleb Barlow reacts to a recent ransomware tragedy. Our guest is Rob Gurzeev of CyCognito on the security issues with subsidiaries. And a Florida woman is charged with altering aircraft records. For links to all of today's stories check out our CyberWire daily news briefing: https://www.thecyberwire.com/newsletters/daily-briefing/10/197