What are they looking for? Scans for OpenID Connect Configuration
https://isc.sans.edu/diary/What%20are%20they%20looking%20for%3F%20Scans%20for%20OpenID%20Connect%20Configuration%20%28Update%3A%20CitrixBleed%29/30498
Terrapin Attack Against SSH
https://terrapin-attack.com/TerrapinAttack.pdf
ALPHV/Blackcat Ransomware Disrupted and Decryptor Available
https://www.justice.gov/opa/pr/justice-department-disrupts-prolific-alphvblackcat-ransomware-variant
