Hacktivist Groups Target U.S. Companies and Military Domains in Retaliation for Iran Attacks

The United States has become a popular target for hacktivist groups in the escalating Israel-Iran conflict, following U.S. attacks on Iranian nuclear sites on June 21, 2025.

Several pro-Iranian hacktivist collectives, including Mr Hamza, Team 313, Cyber Jihad, and Keymous+, have claimed responsibility for a series of Distributed Denial of Service (DDoS) attacks targeting U.S. military domains, major aerospace and defense corporations, and key financial institutions.

These cyberattacks are seen as retaliatory measures following U.S. involvement in the conflict, which began with Israeli strikes on Iranian targets on June 13.

U.S. Becomes a Focal Point

The cyber warfare has since escalated, with Iran and Israel exchanging missile and drone attacks, including an Iranian strike on a U.S. military base in Qatar on June 23.

Alongside physical confrontations, the digital battlefield has seen DDoS campaigns, data breaches, website defacements, and electronic ...