Iran-linked APT33 Shakes Up Cyberespionage Tactics

Following a recent report detailing APT33’s infrastructure and tactics, the Iranian state-sponsored threat actor shook up its cyberespionage efforts by adopting new tools and reassigning key domain infrastructure. The infrastructure overhaul stems from a March 2019 Symantec report exposing the...

Iranian APT33 Targets U.S. Firms with Destructive Malware

The Iranian group known as APT33 is believed to be behind a cyberespionage campaign targeting aerospace, petrochemical and energy sector firms located in the United States, Saudi Arabia and South Korea. The group’s latest attack leverages a dropper called DropShot that is tied to the StoneDrill...