Over the next few months, hackers from Iran could become more active after U.S. military strikes, says the Department of ...

Former White House chief information officer Theresa Payton said Iran could hit America with a cyberattack targeting critical ...

Investigators are piecing together details about one of the most aggressive computer attacks in recent memory — a powerful "denial-of-service" assault that overwhelmed computers.

Denial of Service (or DoS) attack, which, as the name suggests, directly relates to being denied a service, notably, the Internet. A DoS attack is a kind of attack that eats upon a user’s ...

But the denial-of-service attack was significant enough for the utility to file an electric disturbance report with DOE — the same forms reserved for major interruptions like storms, physical ...

In computing, a denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a machine or network resource unavailable to its intended users.

Twitter was inaccessible for several hours on Thursday, followed by a period of slowness and sporadic timeouts, and more outright downtime. The microblogging site is blaming an "ongoing" denial-of ...

Web-technology provider Dynamic Network Services Inc., known as Dyn, said its domain-name-system services were subject to a massive denial-of-service attack starting at 7:10 a.m. EDT on Friday.

A large-scale distributed denial of service attack (DDoS) against New Hampshire-based Internet performance company Dyn caused major Internet disruptions Friday. Users were unable to access many ...

What does denial-of-service attack actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

How ‘Denial-of-Service’ Attacks Wreak Havoc on Websites Friday’s cyberattack appears to have been aimed at a little-known company that plays key role in routing internet traffic By ...