An outage at Yahoo Mail hit its fourth day on Thursday, prompting thousands of furious users to ratchet up their criticism on social media.
An outage at Yahoo Mail stretched into its second day on Wednesday, prompting the US Internet pioneer to apologize to unhappy users.
Security experts say passwords for more than 2 million Facebook, Google and other accounts have been compromised and circulated online, just the latest example of breaches involving leading Internet companies.
Brazil's foreign minister said Sunday his government is worried by a report that the United States has collected data on millions of telephone and email conversations in his country and promised an effort for international ...
US market regulators warned Wednesday of a rise in spam email and social media-based stock promotions that are actually "pump and dump" schemes aimed at cheating small investors.
A hijacked Associated Press Twitter account that rattled markets with false word of an attack on the White House put the security of social media in the crosshairs.
Microsoft is offering enhanced security for its email, storage and other services.
US smartphone owners tend to be connected from the instant they rise until they fall sleep and revel in every minute of it, a Facebook-sponsored study showed.
Distracted driving is more widespread in the U.S. than in Europe, according to a study released Thursday that surveyed drivers about their cellphone and texting habits.
Longtime users of Hotmail, MSN and other Microsoft email services will start noticing a big change: When they sign in to check messages, they'll be sent to a new service called Outlook.com.