MuddyWater, also known as Static Kitten and Mercury, is a cyber espionage group that’s most likely a subordinate element within Iran's Ministry of Intelligence and Security (MOIS). Since at least 2017 MuddyWater has targeted a range of government and private organizations across sectors, including telecommunications, local government, defense, and oil and natural gas organizations, in the Middle East, Asia, Africa, Europe, and North America.