No joke – Cloudflare’s 1.1.1.1 resolver was launched on April Fool’s Day in 2018. Over the last seven years, this highly performant and privacy–conscious service has grown to handle an average of 1.9 Trillion queries per day from approximately 250 locations (countries/regions) around the world. Aggregated analysis of this traffic provides us with unique insight […]
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Keep AI interactions secure and risk-free with Guardrails in AI Gateway
The transition of AI from experimental to production is not without its challenges. Developers face the challenge of balancing rapid innovation with the need to protect users and meet strict regulatory requirements. To address this, we are introducing Guardrails in AI Gateway, designed to help you deploy AI safely and confidently. Why safety matters LLMs […]
Helping civil society monitor attacks with the CyberPeaceTracer and Cloudflare Email Security
Civil society organizations have always been at the forefront of humanitarian relief efforts, as well as safeguarding civil and human rights. These organizations play a large role in delivering services during crises, whether it is fighting climate change, support during natural disasters, providing health services to marginalized communities and more. What do many of these […]
Automatic Audit Logs: new updates deliver increased transparency and accountability
What are audit logs and why do they matter? Audit logs are a critical tool for tracking and recording changes, actions, and resource access patterns within your Cloudflare environment. They provide visibility into who performed an action, what the action was, when it occurred, where it happened, and how it was executed. This enables security […]
QUIC action: patching a broadcast address amplification vulnerability
Cloudflare was recently contacted by a group of anonymous security researchers who discovered a broadcast amplification vulnerability through their QUIC Internet measurement research. Our team collaborated with these researchers through our Public Bug Bounty program, and worked to fully patch a dangerous vulnerability that affected our infrastructure. Since being notified about the vulnerability, we’ve implemented […]
Resolving a Mutual TLS session resumption vulnerability
On January 23, 2025, Cloudflare was notified via its Bug Bounty Program of a vulnerability in Cloudflare’s Mutual TLS (mTLS) implementation. The vulnerability affected customers who were using mTLS and involved a flaw in our session resumption handling. Cloudflare’s investigation revealed no evidence that the vulnerability was being actively exploited. And tracked as CVE-2025-23419, Cloudflare […]
Cloudflare’s commitment to advancing Public Sector security worldwide by pursuing FedRAMP High, IRAP, and ENS
Today, we announced our commitment to achieving the US Federal Risk and Authorization Management Program (FedRAMP) – High, Australian Infosec Registered Assessors Program (IRAP), and Spain’s Esquema Nacional de Seguridad (ENS) as part of Cloudflare for Government. As more and more essential services are being shifted to the Internet, ensuring that governments and regulated industries […]
A diversity of downtime: the Q4 2024 Internet disruption summary
Cloudflare’s network spans more than 330 cities in over 120 countries, where we interconnect with over 13,000 network providers in order to provide a broad range of services to millions of customers. The breadth of both our network and our customer base provides us with a unique perspective on Internet resilience, enabling us to observe […]
Cloudflare meets new Global Cross-Border Privacy (CBPR) standards
Cloudflare proudly leads the way with our approach to data privacy and the protection of personal information, and we’ve been an ardent supporter of the need for the free flow of data across jurisdictional borders. So today, on Data Privacy Day (also known internationally as Data Protection Day), we’re happy to announce that we’re adding […]
Cloudflare thwarts over 47 million cyberthreats against Jewish and Holocaust educational websites
January 27 marks the International Holocaust Remembrance Day — a solemn occasion to honor the memory of the six million Jews who perished in the Holocaust, along with countless others who fell victim to the Nazi regime’s campaign of hatred and intolerance. This tragic chapter in human history serves as a stark reminder of the […]

