Huge cyberattack hits Swiss-British anti-spam company


The largest known cyberattack in history has affected an anti-spam email company in Great Britain, causing disruptions across the Internet.

Spamhaus, which helps control spam to some email boxes, was struck with a denial-of-service attack, which started in mid-March.

CloudFlare Inc., in San Francisco, aided Spamhaus with dealing with the attack. Its CEO said the attack was off the charts, reaching 300 billion bits per second or more.

See the story on ABC News.