Entries with tag denial of service attacks.

Spanish Law Enforcement Arrests Cyberattack Suspect

Spanish law-enforcement officials have arrested a man allegedly connected to one of the largest Internet attacks ever launched last month, which targeted a spam-fighting site. The officials didn’t release the identity of the suspect and blurred his face in arrest photos on Spain’s Interior Ministry website. However, observers say he is a Dutch citizen associated with distributed denial-of-service attacks against Spamhaus. He was reportedly arrested at the request of the Dutch police and faces extradition to the Netherlands. (PC Mag)(The New York Times)(Gobierno de España Ministerio del Interior)

Spam Dispute Erupts into Cyberwar

An argument between a spam-fighting organization and a Dutch hosting firm erupted into a series of computer attacks The New York Times characterized as “one of the largest computer attacks on the Internet, causing widespread congestion and jamming crucial infrastructure around the world.” The fracas began after Spamhaus purportedly placed Cyberbunker, a web hosting firm, on its blacklist, which is used by e-mail providers to prevent spam. Spamhaus claims the attacks started 19 March, but claims it has not been deterred from distributing its blacklist. The distributed-denial-of-service botnet attacks against Spamhaus have reportedly caused routine Internet users to have delays when attempting to reach web sites or disruptions in streaming services such as Netflix. The attacks involve a data stream of as much as 300 billion bits per second. The attackers are using spoofed Domain Name System addresses purporting to be from Spamhaus in an attack known as DNS amplification to cripple Spamhaus’s computing infrastructure. Spamhaus has enlisted assistance from CloudFlare, a company that secures websites and helps lessen the effects of distributed denial-of-service attacks. (The New York Times)(Ars Technica)

British Hackers Plead Guilty in Court

Two UK residents allied with the LulzSec Security hacking collective pleaded guilty Monday in a London court to numerous charges associated with allegedly attacking websites including those belonging to the US Central Intelligence Agency, Sony, Nintendo, and the UK’s National Health Service. According to the Associated Press, the defendants pleaded guilty to conspiring with other LulzSec members to attack various government, media, and law-enforcement websites last year. One of them also pleaded guilty to providing the hackers with hijacked computer networks used in denial-of-service attacks, as well as breaching the Pentagon’s network by installing or altering files on US Air Force computers. Two other defendants did not plead guilty and are scheduled to be tried in April 2013. (PhysOrg)(BBC)(The Telegraph)

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