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

A DDoS attack is a flood of internet traffic from many different machines. It targets a single device, service, or network ...

A new report out today from unified identity security company Silverfort Inc. details a previously undisclosed ...

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 ...

An apparently coordinated denial-of-service attack organized by pro-Russia hackers rendered the websites of some major U.S. airports, including Denver International Airport, unreachable early Monda… ...

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

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.

Websites in Mississippi hit by denial-of-service attack as country votes during midterm elections "We do not have confirmation as to where the DDoS activity originated," a state official told USA ...

This morning, hackers attacked much of the internet using a technique that stopped or severely slowed access to Twitter, Amazon.com, Reddit and dozens of other major websites. So far, it appears ...

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 ...

Alternately, a denial-of-service attack could have been targeting both high-profile companies. Facebook responded later in the morning on Thursday with a statement.

The home page for Fox News was hit by a denial-of-service attack Friday, leaving the site periodically inaccessible, the company confirmed. As of 11:30 a.m. PST, News Corp.'s FoxNews.com was ...