Large-scale attacks designed to bring down Internet services by sending them more traffic than they can process keep getting bigger, with the largest one yet, measured at 7.3 terabits per second, ...

Distributed denial of service (DDoS) attacks are getting progressively more complex, with software-defined and cloud-driven infrastructures becoming tantalizing targets for threat actors relying on ...

Cloudflare detected 8.3 million DDoS attacks in the last quarter, reflecting a 40% year-over-year (YoY) increase in threats to networks. Cloudflare’s Quarterly DDoS Threat Report saw a 15% increase ...

A vulnerability in the Service Location Protocol on internet-connected devices could create a DDoS amplification factor of up to 2200X. Security researchers sounded the alert about a vulnerability in ...

The largest ever DDoS attack on record, reaching 7.3 Terabits per second (Tbps), was blocked by Cloudflare in Q2 2025. This eclipses the previous largest DDoS attack observed, which Cloudflare ...

Dark Storm claims responsibility for X DDoS attack. Update, March 12, 2025: This story, originally published March 11, has been updated with additional insight from multiple security experts regarding ...

On March 10, X experienced multiple outages, with tens of thousands of users reporting the social site was down for them. Later that day, after multiple failures, X came back online. What caused this?

Distributed denial-of-service (DDoS) attacks come in many shapes and sizes, as do the myths surrounding them. These myths can center on motivations, DDoS attack vectors and techniques, mitigation ...

Cloudflare has mitigated a distributed denial-of-service (DDoS) attack that peaked at a record-breaking 22.2 terabits per second (Tbps) and 10.6 billion packets per second (Bpps). DDoS attacks ...