Sandworm: Russia's global infrastructure wrecking crew Inside APT44: how GRU Unit 74455 blends cyber sabotage, strategic access, and physical-world disruption Key takeaways - Sandworm (APT44) is a GRU‑backed threat actor responsible for landmark attacks such as the 2015 Ukrainian power outages and the 2017 NotPetya attack, demonstrating unmatched capability in cyber‑enabled physical disruption - T...