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Conventional cryptography is under threat. Upgrade to post-quantum cryptography with Cloudflare Zero Trust

2025-03-17

We’re thrilled to announce that organizations can now protect their sensitive corporate network traffic against quantum threats by tunneling it through Cloudflare’s Zero Trust platform....

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Conventional cryptography is under threat. Upgrade to post-quantum cryptography with Cloudflare Zero Trust

Password reuse is rampant: nearly half of observed user logins are compromised

2025-03-17

Security WeekAuthenticationAccount TakeoverPassword-reuseStatisticsBots

Nearly half of observed login attempts across websites protected by Cloudflare involved leaked credentials. The pervasive issue of password reuse is enabling automated bot attacks on a massive scale....

Enhanced security and simplified controls with automated botnet protection, cipher suite selection, and URL Scanner updates

2025-03-17

Security WeekURL ScannerThreat IntelligenceSecurity

Enhanced security, simplified control! This Security Week, Cloudflare unveils automated botnet protection, flexible cipher suites, and an upgraded URL Scanner....

Email Security now available for free for political parties and campaigns through Cloudflare for Campaigns

2025-03-17

Security WeekImpactEmail Security

We’re excited to announce that Cloudflare for Campaigns now includes Email Security, adding an extra layer of protection to email systems that power political campaigns....

Advancing account security as part of Cloudflare’s commitment to CISA’s Secure by Design pledge

2025-03-17

Security Week2FACISA

Cloudflare has made significant progress in boosting multi-factor authentication (MFA) adoption. With the addition of Apple and Google social logins, we’ve made secure access easier for our users....

Chaos in Cloudflare’s Lisbon office: securing the Internet with wave motion

2025-03-17

LavaRandEntropySecurityRandomnessCryptographyPortugalLife at CloudflareLisbonOffices

Cloudflare is now using a wall of waves in our Lisbon, Portugal office to create entropy and strengthen Internet security, turning liquid chaos into secure, unpredictable encryption....

How Cloudflare is using automation to tackle phishing head on

2025-03-17

Security WeekAbuseThreat IntelligencePhishing

How Cloudflare is using threat intelligence and our Developer Platform products to automate phishing abuse reports....

Welcome to Security Week 2025

2025-03-16

Security WeekSecurity

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!...

Global expansion in Generative AI: a year of growth, newcomers, and attacks

2025-03-10

RadarTrendsInternet TrafficGenerative AIAI

Looking at which Generative AI services are more popular, new entrants into the space, how these services have grown in traffic, where that traffic originates, and others....

Dynamically optimize, clip, and resize video from any origin with Media Transformations

2025-03-07

Cloudflare Media PlatformCloudflare StreamPerformanceVideo

With Cloudflare Stream’s new Media Transformations, content owners can resize, crop, clip, and optimize short-form video, all without migrating storage. ...

Banish bots from your Waiting Room and improve wait times for real users

2025-03-03

Waiting RoomProduct NewsApplication Services

Cloudflare Waiting Room is improving the user experience through the addition of Turnstile and Session Revocation, keeping wait times low and protecting against bot traffic....

Cloudflare’s 2024 Transparency Reports - now live with new data and a new format

2025-02-28

Trust & SafetyTransparencyPolicy & Legal

Cloudflare’s 2024 Transparency Reports are now live — with new topics, new data points, and a new format, consistent with the EU’s Digital Services Act...

Some TXT about, and A PTR to, new DNS insights on Cloudflare Radar

2025-02-27

1.1.1.1RadarDNSResolverDNSSECDoHTraffic

The new Cloudflare Radar DNS page provides increased visibility into aggregate traffic and usage trends seen by our 1.1.1.1 resolver...

Keep AI interactions secure and risk-free with Guardrails in AI Gateway

2025-02-26

AIDevelopersDeveloper PlatformAI GatewaySecurity

Deploy AI safely with built-in Guardrails in AI Gateway. Flag and block harmful or inappropriate content, protect personal data, and ensure compliance in real-time...

Making Cloudflare the best platform for building AI Agents

2025-02-25

AICloudflare WorkersDurable Objects

Today we’re excited to share a few announcements on how we’re making it even easier to build AI agents on Cloudflare....

Helping civil society monitor cyber attacks with the CyberPeaceTracer and Cloudflare Email Security

2025-02-17

ImpactSecurityProject Galileo

We’re proud to collaborate with CyberPeace Institute by powering its latest initiative, the CyberPeace Tracer, a platform that enables civil society organizations to proactively report cyber threats....

Searching for the cause of hung tasks in the Linux kernel

2025-02-14

Deep DiveLinuxKernelMonitoring

The Linux kernel can produce a hung task warning. Searching the Internet and the kernel docs, you can find a brief explanation that the process is stuck in the uninterruptible state....

Automatic Audit Logs: new updates deliver increased transparency and accountability

2025-02-13

Audit LogsBeta

We’re excited to announce the beta release of Automatic Audit Logs, offering greater transparency and control....

Offline celebrations: how Christmas, NYE, and Lunar New Year festivities shape online behavior

2025-02-11

Internet TrafficRadarTrendsChristmasNew Year

This blog examines how diverse cultural celebrations — from Western Christmas to Orthodox and Lunar New Year festivities — shape global Internet traffic....

QUIC action: patching a broadcast address amplification vulnerability

2025-02-10

SecurityNetworkEdgeDDoSHTTP3Bug Bounty

Cloudflare was recently contacted by researchers who discovered a broadcast amplification vulnerability through their QUIC Internet measurement research. We've implemented a mitigation....

Resolving a Mutual TLS session resumption vulnerability

2025-02-07

VulnerabilitiesWAFZero TrustSASETLSNetwork Services

Cloudflare patched a Mutual TLS (mTLS) vulnerability (CVE-2025-23419) reported via its Bug Bounty Program. The flaw in session resumption allowed client certificates to authenticate across different...