A High Court judge has raised issues with lawyers for the US government about the effect of findings of non-compliance by US intelligence agencies with restrictions on surveillance, writes Ann O'Loughlin.

FACEBOOK has quietly upgraded its technology to automatically recognise people in photos, renewing concerns about the privacy practices of the world’s top social networking service.

A privacy watchdog group has complained to US regulators about Google’s new Buzz social networking service, saying it breaks consumer protection law.

SUSAN HALLOWELL steps into a metal booth that fires X-rays at her, producing a black-and-white image that reveals enough to produce a blush.

An industry coalition is set to unveil new standards for identity authentication on the internet.