Cyber Attacks Against the U.S. Government – July 2009

The July 2009 cyber attacks were a series of coordinated cyber attacks against major government, news media, and financial websites in South Korea and the United States.

The attacks involved the activation of a botnet—a large number of hijacked computers—that maliciously accessed targeted websites with the intention of causing their servers to overload due to the influx of traffic, known as a DDoS attack.

Most of the hijacked computers were located in South Korea.

Continue scrolling for more...

The estimated number of the hijacked computers varies widely; around 20,000 according to the South Korean National Intelligence Service, around 50,000 according to Symantec’s Security Technology Response group, and more than 166,000 according to a Vietnamese computer security researcher who analyzed the log files of the two servers the attackers controlled.

Department of Homeland Security (DHS) Documents relating to this incident [ 25 Pages, 1.13MB ]

 Department of State Documents relating to this incident [ 322 Pages, 14.16MB ]

Follow The Black Vault on Social Media:

This post was published on February 24, 2015 6:14 am

John Greenewald

Recent Posts

Marauder System’s Role in UAP Reporting and Military Operations

The Black Vault has uncovered information about the Air Force’s Marauder system through a recent…

June 27, 2024

CARNIVORE (DCS1000): FBI Files on Their Email and Electronic Communication Monitoring Software

In the late 1990s and early 2000s, the FBI's Carnivore system drew considerable attention and…

June 27, 2024

DARPA Announces Newest X-plane: XRQ-73

The Defense Advanced Research Projects Agency (DARPA) has unveiled its latest X-plane, the XRQ-73, under…

June 25, 2024

FBI Files: Historical Figures & Groups

Background Welcome to the FBI Files on Historical Figures & Groups archive at The Black…

June 25, 2024

Declassified NRC Document Sheds Light on Kyshtym Nuclear Explosion

The release of a Freedom of Information Act (FOIA) document by the U.S. Nuclear Regulatory…

June 24, 2024