National security

In a week where the NSA admitted tracking mobile phone locations, the solicitor behind a legal challenge against GCHQ tells Channel 4 News surveillance is understandable – but we need to regulate it.

A leading Yemeni human rights activist questioned by Gatwick airport anti-terror officers tells Channel 4 News he fears Britain is targeting people who oppose US drone wars.

Can you break the code to become a spy? GCHQ attempts a new recruitment drive to target top code breakers, mathematicians and “ethical hackers” as it tries to move beyond the Prism scandal.

An ex-US Army psychiatrist could become the first service member executed in over 50 years after he was sentenced to death for the Fort Hood shooting, in which 13 people were killed and 32 injured.

Julian Assange says the conviction of US soldier Bradley Manning for leaking military documents to WikiLeaks is “a dangerous precedent” and an example of “national security extremism.”

Panama’s President Ricardo Martinelli says “undeclared military cargo” has been seized from a North Korean-flagged ship coming from Cuba as it approached the Panama canal.

China’s top state newspaper praises Edward Snowden for “tearing off Washington’s sanctimonious mask” and denies claims it helped him escape, as the hunt for the US whistleblower continues.

You would expect the Prism spying software scanning the world’s email for terrorism to be cutting-edge, but experts say it is not much smarter than a search engine. But how does it work?

Exclusive: Google’s chief legal officer tells Channel 4 News his company has written to the US attorney general to be able to provide more detail about court orders requiring it to release user data.

After reports that the US government is able to mine the servers of the country’s seven biggest technology companies, including Google and Facebook, Channel 4 News looks at what it means for UK users.

Barack Obama defends secret surveillance reports, assuring citizens phone calls are private. But the Information Commissioner’s Office says there are “real issues” about US agencies accessing UK data.

Some 2,000 demonstrators rally at City Hall where loyalists torch an Irish tricolour but there were no immediate reports of clashes. Police blame paramilitaries for violence over the flag.

The US now wants Britain to extradite Maxim Bakiyev on allegations of fraud. He fled his homeland after a 2010 revolt that left at least 80 people dead and toppled the government.

The government’s decision to scrap Nimrod surveillance aircraft poses a risk to Britain’s security, according to an all-party committee of MPs.

Internet and phone firms are preparing to install “black boxes” to monitor UK internet and phone traffic, and decode encrypted messages – including Facebook and GMail messages.