Hosting company OVH has been subject to the biggest attack DDoS known to date, with peaks of over 1 Tbps of traffic.

Over the past week, the company has been subjected to an attack greater than the one suffered by Krebs on Security.

The attack led to company founder and CTO Octave Klaba tweeting, “last days, we got lot of huge DDoS. Here, the list of ‘bigger that 100Gbps’ only. You can see the simultaneous DDoS are close to 1Tbps!”

Klaba also shared a screenshot of the multiple attacks on its infrastructure that when added together produced the 1Tbps directed at the company. The biggest single attack was documented at 799Gbps.

The OVH founder said that the attack had used IoT devices to mount the attack including hacked CCTV cameras and personal video recorders. “This botnet with 145607 cameras/dvr (1-30Mbps per IP) is able to send >1.5Tbps DDoS. Type: tcp/ack, tcp/ack+psh, tcp/syn,” he tweeted.

At the beginning of the month, OVNH confirmed that it was attacked by a 150Gbps DoS attack originating from Telefonica’s network.

Despite the eventual failure of the attack, its size raises questions about if it happened to a much smaller host.

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