Welcome to Security Week 2025
2025-03-16
Over the next week, we will discuss the latest trends in cyber security, announce new products and partnerships, and showcase the latest in Cloudflare technology. Welcome to Security Week 2025!...
Welcome to Security Week 2024
2024-03-03
Cloudflare’s Chief Security Officer introduces 2024 Security Week by sharing insights into the past year of threats, security incidents and key priorities and concerns for global CISOs...
Thanksgiving 2023 security incident
2024-02-01
On Thanksgiving Day, November 23, 2023, Cloudflare detected a threat actor on our self-hosted Atlassian server. Our security team immediately began an investigation, cut off the threat actor’s access, and no Cloudflare customer data or systems were impacted by this event...
How Cloudflare mitigated yet another Okta compromise
2023-10-20
On Wednesday, October 18, 2023, we discovered attacks on our system that we were able to trace back to Okta. We have verified that no Cloudflare customer information or systems were impacted by this event because of our rapid response. ...
HTTP/2 Zero-Day vulnerability results in record-breaking DDoS attacks
2023-10-10
The “HTTP/2 Rapid Reset” attack exploits a weakness in the HTTP/2 protocol to generate enormous, hyper-volumetric DDoS attacks. Cloudflare has mitigated a barrage of these attacks in recent months, including an attack three times larger than any previous attack we’ve observed...
Why I joined Cloudflare as Chief Security Officer
2023-04-21
As someone who is passionate about technology, security, and its potential to improve our lives, I knew that I wanted to work for a company that shared those values. ...