Charles Arthur

Cyber experts warn that cyber attacks on Sony Pictures, which paralysed computer systems and leaked files, could have been extortion.

The satellite firm and AAIB used "groundbreaking maths" to narrow the flight corridor of the missing passenger plane and help solve the riddle.

Newly unveiled devices have been unleashed on a notoriously wrist-averse economy.

European privacy watchdogs have threatened Google with legal action over 2012 policy which violates commitment to transparency.

The device with a tiny screen in front of your right eye may not be everyone’s dream.

Apple will not release a large-screened "phablet" phone to compete with archrival Samsung this year, according to analysts.

The Syrian regime’s electronic army is hitting critical Western news organisations with disinformation.

Although it is tempting for social media users to help to solve cases like the Boston bombing, they should leave it to the experts.

Microsoft has plans for new touchscreen devices and a Windows 8 revamp as revenue rise has unexpectedly beaten analysts’ forecasts.

South Korea says computers in the North were used for an onslaught that wiped hard drives on PCs at TV stations and disrupted banks.

Burger King’s Twitter account was hacked apparently by hackers from Anonymous who took it over and rebranded it with rival McDonald’s logo and name.

Dell is looking like the sick man of the PC business, which is not looking too healthy itself.

That Windows 8 will be a huge hit in terms of sales is a given. What will be fascinating to watch is how it is received, writes Charles Arthur.

Is BlackBerry manufacturer RIM out of the woods? If all you looked at was its after-hours share price and analysts’ forecasts, you might think so.

Samsung says it will add the iPhone 5 to a series of lawsuits over Apple equipment in the US, alleging that it infringes a series of patents.