Andrei Robachevsky

Andrei Robachevsky

Joined on August 31, 2015
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A Year in Review: 14,000 Routing Incidents In 2017

How was the state of the Internet's routing system in 2017? Let's take a look back using data from BGPStream. Some highlights: 13,935 total incidents (either outages or attacks like route leaks and hijacks); Over 10% of all Autonomous Systems on the Internet were affected; 3,106 Autonomous Systems were a victim of at least one routing incident; 1,546 networks caused at least one incident. more

Can We Really Blame DNSSEC for Larger-Volume DDoS attacks?

In its security bulletin, Akamai's Security Intelligence Response Team (SIRT) reported on abuse of DNS Security Extensions (DNSSEC) when mounting a volumetric reflection-amplification attack. This is not news, but I'll use this opportunity to talk a bit about whether there is a trade-off between the increased security provided by DNSSEC and increased size of DNS responses that can be leveraged by the attackers. more

Can We Stop IP Spoofing? A New Whitepaper Explores the Issues

In March 2013, Spamhaus was hit by a significant DDoS attack that made its services unavailable. The attack traffic reportedly peaked at 300Gbps with hundreds of millions of packets hitting network equipment on their way. In Q1 2015, Arbor Networks reported a 334Gbps attack targeting a network operator Asia. In the same quarter they also saw 25 attacks larger than 100Gbps globally. What is really frightening about this is that such attacks were relatively easy to mount. more

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DDoSCyberattackCybersecurityNetworksDNSDNS Security

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Can We Stop IP Spoofing? A New Whitepaper Explores the Issues

Can We Really Blame DNSSEC for Larger-Volume DDoS attacks?

A Year in Review: 14,000 Routing Incidents In 2017