A council document says the cybersecurity failure poses "a potential safeguarding risk to children".

Security failings by the Advanced Computer Software Group led to a cyberattack in 2022 that impacted NHS services.

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.