Cybersecurity incident — 2022-12-31 00:00:00
Affected organization: State-run Iranian Websites
Affected country: Iran (Islamic Republic of)
Industry: Public Administration
Event type: Disruptive
Event subtype: External Denial of Services
Motive: Protest
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Ukrainian hacktivists claimed to launch distributed denial-of-service attacks on several Iranian websites, including the website of Iran's supreme leader Ali Khamenei, and the National Iranian Oil Company (NIOC)