China has been hit by the "largest ever" attack on its Internet structure, crashing the country's .cn servers, according to a government-linked agency.
(AP) -- China was struggling Thursday to restore several government websites that international hacking group Anonymous says it attacked in an apparent protest against Chinese Internet restrictions.
A group of computer hackers on Thursday claimed to have breached NATO security and accessed hoards of restricted material.
Fourteen people were arrested Tuesday for allegedly mounting a cyberattack on the website of PayPal in retaliation for its suspending the accounts of WikiLeaks.
Cyberattacks on US and South Korean military websites in March may have been a test by North Korea or sympathizers, according to a report released Tuesday by computer security firm McAfee.
A shadowy group of hackers behind a string of recent cyberattacks claimed on Monday to have breached the US Senate website and taken internal data.
Hackers shut down the Canadian intelligence agency's website Tuesday, officials said.
The government's health insurance website is quietly passing along consumers' personal data to outside websites, just as President Barack Obama is calling for stronger cybersecurity protections.
Singapore on Tuesday announced new measures to strengthen cyber security to prevent a recurrence of attacks on government websites incuding those of its president and prime minister.
Canada's government on Friday ordered all federal department websites vulnerable to the "Heartbleed" bug to be shut down.