When you think of a cyber attack, most of us imagine a classic hacker—a man in a hoodie, hunched alone over his computer, accessing a company’s network remotely. But that’s not always the case.

A man in a black hoodie wearing a Guy Fawkes mask sits in a dark room, face lit up forebodingly by his laptop screen. He types furiously, laying down dozens of lines of code. After a few moments go by ...

NCSC advises on countermeasures for high-risk individuals over phishing attacks on encrypted messaging services, such as ...