In October, we wrote about a 1.75M rps DDoS attack we mitigated on our network, launched by 52,467 unique IP’s, mostly hacked CCTV cameras. We continued to see more IoT devices in DDoS attacks, and so we started to put together a security solution to protect the
Today, Cloudflare is extending its Rate Limiting service by allowing any of our customers to sign up. Our Enterprise customers have enjoyed the benefits of Cloudflare’s Rate Limiting offering for the past several months. As part of our mission to build a better internet, we believe that everyone should
Curious where your DNS traffic is coming from, how much DNS traffic is on your domain, and what records people are querying for that don’t exist? We now have a Grafana plugin for you. Grafana is an open source data visualization tool that you can use to integrate data
Cloudflare has covered DDoS ransom groups several times in the past. First, we reported on the copycat group claiming to be the Armada Collective and then not too long afterwards, we covered the "new" Lizard Squad. While in both cases the groups made threats that were ultimately empty, these types
Recent headline grabbing DDoS attacks provoked heated debates in the DNS community. Everyone has strong opinions on how to harden DNS to avoid downtime in the future. Is it better to use a single DNS provider or multiple? What DNS TTL values are best? Does DNSSEC make you more or
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
In a recent post we discussed how we have been adding resilience to our network. The strength of the Internet is its ability to interconnect all sorts of networks — big data centers, e-commerce websites at small hosting companies, Internet Service Providers (ISP), and Content Delivery Networks (CDN) — just to name
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.