Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

How the April 28, 2025, power outage in Portugal and Spain impacted Internet traffic and connectivity

A massive power outage struck significant portions of Portugal and Spain at 10:34 UTC on April 28, grinding transportation to a halt, shutting retail businesses, and otherwise disrupting everyday activities and services. Parts of France were also reportedly impacted by the power outage.

Targeted by 20.5 million DDoS attacks, up 358% year-over-year: Cloudflare's 2025 Q1 DDoS Threat Report

Welcome to the 21st edition of the Cloudflare DDoS Threat Report. Published quarterly, this report offers a comprehensive analysis of the evolving threat landscape of Distributed Denial of Service (DDoS) attacks based on data from the Cloudflare network. In this edition, we focus on the first quarter of 2025.

A global virtual private cloud for building secure cross-cloud apps on Cloudflare Workers

Today, we’re sharing a preview of a new feature that makes it easier to build cross-cloud apps: Workers VPC. Workers VPC is our take on the traditional virtual private cloud (VPC), modernized for a network and compute that isn’t tied to a single cloud region. And we’re complementing it with Workers VPC Private Links to make building across clouds easier.

Introducing Cloudflare Secrets Store (Beta): secure your secrets, simplify your workflow

Every cloud platform needs a secure way to store API tokens, keys, and credentials — welcome, Cloudflare Secrets Store! Today, we are very excited to announce and launch Secrets Store in beta. We built Cloudflare Secrets Store to help our customers centralize management, improve security, and restrict access to sensitive values on the Cloudflare platform.

Cloudflare acquires Outerbase to expand database and agent developer experience capabilities

I’m thrilled to share that Cloudflare has acquired Outerbase. This is such an amazing opportunity for us, and I want to explain how we got here, what we’ve built so far, and why we are so excited about becoming part of the Cloudflare team.

Cloudflare's commitment to CISA Secure-By-Design pledge: delivering new kernels, faster

As cyber threats continue to exploit systemic vulnerabilities in widely used technologies, the United States Cybersecurity and Infrastructure Agency (CISA) produced best practices for the technology industry with their Secure-by-Design pledge. Cloudflare proudly signed this pledge on May 8, 2024, reinforcing our commitment to creating resilient systems where security is not just a feature, but a foundational principle.

Open-sourcing OpenPubkey SSH (OPKSSH): integrating single sign-on with SSH

OPKSSH makes it easy to SSH with single sign-on technologies like OpenID Connect, thereby removing the need to manually manage and configure SSH keys. It does this without adding a trusted party other than your identity provider (IdP). We are excited to announce OPKSSH (OpenPubkey SSH) has been open-sourced under the umbrella of the OpenPubkey project.

Security Week 2025: in review

Thank you for following along with another Security Week at Cloudflare. We’re extremely proud of the work our team does to make the Internet safer and to help meet the challenge of emerging threats. As our CISO Grant Bourzikas outlined in his kickoff post this week, security teams are facing a landscape of rapidly increasing complexity introduced by vendor sprawl, an “AI Boom”, and an ever-growing surface area to protect.