Computer scientists, who have been monitoring the Bitcoin network since January 2013, cast doubt on MtGox's claim that its bitcoins were stolen by hackers.
Cloud storage company Box has 25 million users, large revenues, and larger losses.
Game theory suggests the rules governing Bitcoin may need to be updated if the currency is to endure.
Prime ministers, business executives, and ordinary citizens clamor for phones that can’t be snooped on.
Government spying gives a giant push to data scrambling on the Web.
Here’s how the Swiss promise to keep your data safe.
How America’s eavesdropping agency commercializes technology.
Intruders seek data on oil deposits, cutting-edge technology.
The travails of a Chinese telecom company show how spying charges could hurt U.S. firms.
Can we trust an Internet that’s become a weapon of governments?