Internet outages can disrupt emergency services, business transactions and basic communication. Here are few things to know about the nation's Internet infrastructure and its vulnerabilities.
North Korea's Internet went dark for several hours amid rumors of US retaliation over its alleged hacking of a Hollywood studio, just as the pariah state came under attack at the UN over its rights record.
Researchers studying how big the Internet is have found that it "sleeps," almost like a living creature.
Time Warner Cable said Wednesday that service was largely restored after a problem during routine maintenance caused a nationwide outage of its Internet service for hours.
Google apologized Friday after the Internet giant's widely used free email and an array of other services were disrupted by apparent software woes.
Google's widely used free email stumbled Friday as some of the Internet giant's services were disrupted by apparent software woes.
China's Internet suffered a massive breakdown as traffic was routed to an overseas site linked to the banned religious group Falun Gong—a fiasco a cyber-monitoring group Wednesday blamed on the country's own censors.
An outage at Yahoo Mail stretched into its second day on Wednesday, prompting the US Internet pioneer to apologize to unhappy users.
The Guyana Telephone and Telegraph Co. says damage to an undersea fiber-optic cable has caused a phone and Internet outage that affected much of the country along with neighboring Suriname.
A problem with a fiber optics cable was responsible for an Internet outage that cut off civil war-ravaged Syria from the rest of the world for nearly 20 hours, state media said Wednesday.