Russia's Yandex says it repelled biggest DDoS attack in history

FILE PHOTO: The logo of Russian internet group Yandex is pictured at the company's headquarter in Moscow, Russia October 4, 2018. REUTERS/Shamil Zhumatov

MOSCOW (Reuters) - A cyber attack on Russian tech giant Yandex's servers in August and September was the largest known distributed denial-of-service (DDoS) attack in the history of the internet, the company said on Thursday.

The DDoS attack, in which hackers try to flood a network with unusually high volumes of data traffic in order to paralyse it when it can no longer cope with the scale of data requested, began in August and reached a record level on Sept. 5.