Experts say using even such a privacy-focussed platform for national security matters is very unusual.

US officials' use of an unsecured chat app presented potential problems even before a journalist was added to the group, analysts say.

Hackers from the infamous Lazarus Group are in a cat-and-mouse game to launder their stolen funds from the ByBit heist.

The Justice Department said Chinese agencies paid as much as $75,000 (£58,200) for each hacked email inbox.

The tech giant's decision has prompted questions and concerns about reduced protections for UK iCloud users.

Quantum computers will be able to crack existing encryption and threaten critical infrastructure.

The Today programme presenter said his login details were stolen after he clicked a link in a fraudulent email.

WhatsApp alleged last week that Paragon Solutions spyware was used to target users of the messaging app in two dozen countries.