Martyn WilliamsSenior U.S. Correspondent, IDG News Service Follow me on Google+

Martyn Williams covers mobile telecommunications, Silicon Valley, and general technology breaking news for the IDG News Service, and is based in San Francisco.

5 unanswered questions about the 1.2 billion passwords stolen by Russian hackers

Lots of questions follow Tuesday's revelation of the amassing of 1.2 billion credentials by Russian hackers

PCWorld News

Massive Russian hack has researchers scratching their heads

Many questions remain after a security company said it had uncovered a huge database of stolen online credentials

sprint tmobile

Report: Sprint gives up on pursuit of T-Mobile USA

Sprint abandoned the takeover because it thought it would have a hard time getting regulatory approval, according to newspaper reports.

hacker

Russian hackers amass 1.2B stolen Web credentials

The hackers collected data on a massive scale, 'so it affects absolutely everybody,' security firm says.

PCWorld News

PF Chang's hack hit 33 restaurants for 8 months

The restaurant operator discloses the scale of the hack for the first time

PCWorld News

Almost 200,000 people may have been affected by US visa system crash

Recovery efforts are being hampered by 'outdated software and hardware,' a government spokeswoman said

Report: CIA improperly accessed Senate computers

The agency apologizes for spying on computers used in a Senate investigation.

PCWorld News

Oracle-based system for US visas still glitchy after software update

System problems hit thousands of travelers worldwide

drone main

Like Amazon, other firms want permission to fly drones

Several other companies have also applied for permission to fly commercial drones

Guns, vandals and thieves: Data shows U.S. networks under attack

More than a thousand malicious acts have targeted the U.S. telecom infrastructure in recent years, the FCC revealed in response to an FOIA request.

Phone unlocking bill clears US House, next step is president's signature

The bill reverses a 2013 decision that phone unlocking by consumers ran afoul of copyright laws.

PCWorld News

State Department computer crash slows visa, passport applications worldwide

The problems followed routine maintenance work so hacking is not suspected

PCWorld News

Arrests made after international cyber-ring targets StubHub

StubHub accounts were compromised and used to buy tickets for popular events, which were then resold

PCWorld News

Apple reports a huge profit but sales disappoint

iPhones and iPad sales were both slower than expected

toddham iwatch all

Apple gets patent for 3-year-old smartwatch design labeled 'iTime'

The patent is for a wrist-worn gadget that has a touchscreen and can communicate with a smartphone