An Iran-linked digital activist collective known as Handala is claiming credit for the cyberattack against Stryker. This would be the first major cyberattack carried out in the wake of the U.S. war in Iran. Cybersecurity researchers have warned that U.S. companies face an elevated threat risk, primarily from Iran-linked hacktivist groups.

WASHINGTON (AP) — Pro-Iranian hackers are targeting sites in the Middle East and starting to stretch into the United States during the war, raising the risk of American defense contractors, power stat...