One company lost £800m as a result of hostile state cyber attack, says British Security Service chief.
Jake Davis and Ryan Cleary have entered guilty pleas to some of the charges against them related to LulzSec attacks on high profile websites last year.
Two teenagers have been arrested in Norway in connection with a series of distributed denial-of-service (DDoS) attacks against websites in the country, and elsewhere around the world.
The UK's Serious Organised Crime Agency (SOCA) has confirmed that its website has suffered a distributed denial-of-service (DDoS) attack, effectively preventing internet users from reaching it.
US House of Representatives kicked off “cybersecurity week,” with "America is Under Cyber Attack: Why Urgent Action is Needed." Is using Hollywood-style language really the way to deal with a really serious issue?
Anonymous hacktivists blasted the Formula 1 website off the net, with a distributed denial-of-service (DDoS) attack.
Two teenagers have been arrested following a series of prank calls and DoS (denial-of-service) attacks launched against the Anti-Terrorist Hotline.
Anonymous hacktivists have launched a distributed denial-of-service attack against the British government's Home Office website, preventing legitimate users from visiting the site by flooding it with unwanted internet traffic.
Operation Blackout's plan to shut down the internet this weekend may have come to nothing, but there is a way in which DNS servers can be used as part of a malicious attack.
Professor Alan Woodward explains more.
The CIA's website was brought down for some hours last night by what appears to have been an internet distributed denial-of-service (DDoS) attack.
Working in the computer security industry, we're pretty used to seeing malware and hacking misrepresented on our TV and movie screens.
Here are some of our favourite examples.
When the website of rock star Gene Simmons fell victim to a denial-of-service attack, the legendary KISS front man vowed revenge.
Now the FBI has arrested a 24-year-old man in connection with the attack.
Did governing politicians in South Korea approve an election-day cyber attack?
Three of South Korea's top seven leaders quit their posts over DDoS scandal.
LiveJournal and other websites brought down as Russia turns out to vote. Could the elections have resulted in internet attacks on websites claiming that the vote was being fixed?
UK police were able to foil attempts at disrupting the international web presence of the royal wedding. The site remained online despite record interest in the ceremony.
Anonymous are threatening to attack the City of Toronto if they evict the occupy protesters from St. James Park. They have also hacked political websites in Mexico during this weekend's election posting videos accusing officials of corruption.