Posts by John Graham-Cumming

2017 and the Internet: our predictions

Published on by John Graham-Cumming.

An abbreviated version of this post originally appeared on TechCrunch Looking back over 2016, we saw the good and bad that comes with widespread use and abuse of the Internet. In both Gabon and Gambia, Internet connectivity was disrupted during elections. The contested election in Gambia started with an Internet

The Daily DDoS: Ten Days of Massive Attacks

Published on by John Graham-Cumming.

Back in March my colleague Marek wrote about a Winter of Whopping Weekend DDoS Attacks where we were seeing 400Gbps attacks occurring mostly at the weekends. We speculated that attackers were busy with something else during the week. This winter we've seen a new pattern, and attackers aren't taking the

How the Dyn outage affected Cloudflare

Published on by John Graham-Cumming.

Last Friday the popular DNS service Dyn suffered three waves of DDoS attacks that affected users first on the East Coast of the US, and later users worldwide. Popular websites, some of which are also Cloudflare customers, were inaccessible. Although Cloudflare was not attacked, joint Dyn/Cloudflare customers were affected.