Iran-linked APT targets US critical sectors with new backdoors An Iran-linked hacking group has been active inside the networks of several US organizations since early February, raising concerns that the activity could precede broader cyber operations connected to escalating geopolitical tensions in the Middle East. New backdoors used by Seedworm Symantec and Carbon Black researchers have attributed the activity to Seedworm (aka MuddyWater), an Iranian advanced persistent threat (APT) group that has been linked to Iran’s Ministry of Intelligence and Security (MOIS), and is known for espionage campaigns targeting government agencies, telecommunications companies, and critical infrastructure. According to researchers, suspicious activity linked to Seedworm has been identified on the…