Colonial Pipeline shuts down some systems after a ransomware attack, disrupting refined petroleum product delivery in the Eastern US. We’ll check in with Sergio Caltagirone from Dragos for his analysis. Other ransomware attacks hit city and Tribal governments. Joint UK-US alert on SVR tactics issued, and the SVR may have changed its methods accordingly. SolarWinds revised downward its estimate of the number of customers affected by its compromise. Rick Howard previews his CSO Perspectives podcasts on risk metrics. Four guilty pleas in “bulletproof hosting” RICO case. For links to all of today's stories check out our CyberWire daily news brief: https://www.thecyberwire.com/newsletters/daily-briefing/10/89