A man claiming to be an Iranian intelligence officer promised me he would reveal his country’s secrets. Then he disappeared.

Researchers detail FvncBot, SeedSnatcher, and a stronger ClayRat that widen Android data theft and device control tactics.

Malicious extensions occasionally find their way into the Chrome Web Store (and similar libraries in other browsers) by posing as legitimate add-ons. Some of them only morph into malware after gaining ...