https://www.bleepingcomputer.com/news/security/fbi-releases-alert-on-iranian-hackers-defacement-techniques/

The FBI Cyber Division issued a flash security alert earlier this month with additional indicators of compromise from recent defacement attacks operated by Iranian threat actors and info on attackers' TTPs to help administrators and users to protect their websites.

The Cybersecurity and Information Security Agency (CISA) also published a reminder on the same day to provide cybersecurity best practices on safeguarding websites from cyberattacks that could lead to defacement or data breaches.