US authorities seized four domains linked to Iran-backed hacker group Handala, accusing it of running cyber-enabled psychological operations and leaking sensitive data targeting US, Israeli and dissident figures.

An Iran-linked hacker group has claimed responsibility for launching a debilitating cyberattack against a US medical company Wednesday — marking the first such hacking since the war between the nations began.

Bitrefill said a March 1, 2026 cyberattack linked to North Korea’s Lazarus Group compromised parts of its infrastructure, drained some hot wallets and exposed about 18,500 purchase records.

Cybersecurity experts say that the Handala "hacktivist" group that claimed credit for attacks against two American firms on Wednesday is run by the

Amid a paralyzing breach of medical tech firm Stryker, the group has come to represent Iran's use of “hacktivism” as cover for chaotic, retaliatory state-sponsored cyberattacks.

Cryptocurrency payments platform Bitrefill has blamed the North Korea-linked hacking group Lazarus for a recent