February 15, 2024 update – On January 20, 2024, the US government conducted a disruption operation against infrastructure used by a threat actor we track as Forest Blizzard (STRONTIUM), a Russian state-sponsored threat actor, as detailed here: https://www.justice.gov/opa/pr/justice-department-conducts-court-authorized-disruption-botnet-controlled-russian December 4, 2023 update – Microsoft has ide