The United Arab Emirates (UAE) is to suspend some Blackberry mobile phone services, having said the devices pose a "national security risk", its state news agency reports.

Owners of mobile phones are being asked to test the security of their network to see if enough is being done to stop eavesdropping.

Twitter, the social networking site which allows users to say something in up to 140 characters, sees its 20 billionth message sent.

Newsbeat's had an exclusive look at new training being given to UK soldiers at the Royal School of Artillery in Wiltshire.

Security researcher Ron Bowes tells BBC News why he collected and published the personal details of 100m Facebook users.

Samsung Electronics reports record quarterly profits thanks to higher sales of smartphones and components such as memory chips.

No "significant" personal data was grabbed by Google when it snooped on wi-fi networks, says the UK data protection office.

Online retailer Amazon launches its popular Kindle e-reader into the UK market for the first time, with a new look and more books.

A High Court has ruled that devices that allow gamers to play pirated video games on the Nintendo DS console are illegal in the UK.

Four government departments spent almost £6m ensuring their websites appeared on search engine results pages, new figures show.