Explainer: How computers "see" faces and other objects

Computers started to be able to recognize human faces in images decades ago, but now artificial intelligence systems are rivaling people's ability to classify objects in photos and videos.

'Advanced' cyber attack targets Saudi Arabia

Saudi authorities said Monday they had detected an "advanced" cyber attack targeting the kingdom, in a fresh attempt by hackers to disrupt government computers.

Explainer: What is ransomware?

Computers across the world were locked up Friday and users' files held for ransom when dozens of countries were hit in a cyber-extortion attack that targeted hospitals, companies and government agencies.

Spying made simple: Hackers use old tools to dodge detection

A Romanian security firm says it has discovered a ring of digital spies using bottom-rung tools to break into hundreds of government computers. The find suggests that you don't necessarily need sophistication to steal secrets.

Alibaba, China Mobile announce development partnership

Chinese e-commerce giant Alibaba and the country's biggest phone carrier, China Mobile, announced a partnership Wednesday to develop internet-related services as web users migrate to mobile devices.

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