One in 4 Android phones potentially affected by a staggering security vulnerability that allowed hackers to access locked and protected handsets in less than 60 seconds.

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.

Salt Typhoon is by far one of the most prolific hacking groups in recent years, breaching some of the top American phone ...