April 12, 2024 1:00 PM
Let’s Encrypt’s cross-signed chain will be expiring in September. This will affect legacy devices with outdated trust stores (Android versions 7.1.1 or older). To prevent this change from impacting customers, Cloudflare will shift Let’s Encrypt certificates upon renewal to use a different CA...
April 02, 2024 5:00 PM
Along with CISA and the Joint Cyber Defense Collaborative, we are spotlighting threats to civil society, best practices for online protection, and new resources specifically for these vulnerable communities. Find out more about our latest initiatives....
March 26, 2024 1:00 PM
In this 2023-early 2024 email analysis, we examine how certain generic Top-Level Domains (TLDs) are primarily used for spam and phishing, and their evolution over a year. There are many trends in email threats to examine...
March 14, 2024 2:00 PM
Let’s Encrypt’s cross-signed chain will be expiring in September. To prepare for the change, after May 15th, 2024, Cloudflare will start issuing certs from Let’s Encrypt’s ISRG X1 chain. This change will impact legacy devices with outdated trust stores (Android versions 7.1.1 or older)...
March 08, 2024 2:05 PM
With the combined power of Security Analytics + Log Explorer, security teams can analyze, investigate, and monitor for security attacks natively within Cloudflare, reducing time to resolution and overall cost of ownership for customers by eliminating the need to forward logs to third-party SIEMs...
March 08, 2024 2:00 PM
Discover the enhanced URL Scanner API: Now with direct access from the Security Center Investigate Portal, enjoy unlisted scans, multi-device screenshots, and seamless integration within the Cloudflare ecosystem...
March 07, 2024 2:00 PM
Learn how to use Cloudflare Pages and Turnstile to deploy your website quickly and easily while protecting it from bots, without compromising user experience. Follow our tutorial here for a seamless integration...
March 06, 2024 2:00 PM
This post illustrates some of the Linux Kernel features, which are helping us to keep our production systems more secure. We will deep dive into how they work and why you may consider enabling them as well...
March 06, 2024 2:00 PM
The turbulence in the SASE market is driving many customers to seek help. We’re doing our part to help VeloCloud customers who are caught in the crosshairs of shifting strategies...
March 05, 2024 2:02 PM
Today we are excited to introduce a new set of capabilities within the Security Center to directly address a common challenge: ensuring comprehensive deployment across your infrastructure. Gain precise insights into where and how to optimize your security posture...
March 05, 2024 2:00 PM
Cloudflare customers can now protect their APIs from broken authentication attacks by validating incoming JSON Web Tokens (JWTs) with API Gateway...
March 04, 2024 2:02 PM
Cloudflare is one of the first providers to safeguard LLM models and users in the era of AI...
March 04, 2024 2:00 PM
Introducing AI Assistant for Security Analytics. Now it is easier than ever to get powerful insights about your web security. Use the new integrated natural language query interface to explore Security Analytics...
February 22, 2024 2:00 PM
Today, we are thrilled to announce new Cloudflare Zero Trust dashboards on Elastic. Shared customers using Elastic can now use these pre-built dashboards to store, search, and analyze their Zero Trust logs...
February 15, 2024 2:00 PM
Brand Protection's Logo Matching feature enables users to upload an image of the user’s logo or other brand image. The system scans URLs to discover matching logos and then presents the results for users to review...
February 01, 2024 8:00 PM
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...
January 24, 2024 2:00 PM
Foundations is a foundational Rust library, designed to help scale programs for distributed, production-grade systems...
January 09, 2024 2:00 PM
Today, we’re releasing our 2024 API Security and Management Report. This blog introduces and is a supplement to the API Security and Management Report for 2024 where we detail exactly how we’re protecting our customers, and what it means for the future of API security...
December 18, 2023 2:00 PM
By editing or creating a new Turnstile widget with “Pre-Clearance” enabled, Cloudflare customers can now use Turnstile to issue a challenge when a page’s HTML loads, and enforce that all valid responses have a valid Turnstile token...
