Obtén todo lo que necesitas de una CDN moderna: desde una escala sin esfuerzo y seguridad integrada hasta control programable y visibilidad total.
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AI Bot Cosplay
In a single day over 6M requests posed as AI bots to probe for .env files, Git metadata, credentials and other private files. Unpack the threat of AI bot cosplay and learn how Fastly's WAF rules can block impostors.
Back to Basics: Insecure Deserialization
Learn what insecure deserialization is, how attackers exploit it, and how to prevent attacks using secure coding best practices and the Fastly Next-Gen WAF.
¿Qué es Style Smuggler (CVE-2026-75650)?
CVE-2026-75650 (StyleSmuggler) es una vulnerabilidad SSTI crítica que se está explotando activamente en plataformas de e-commerce. Descubre en qué consiste y cómo los clientes de Fastly pueden mantenerse protegidos.
CVE-2026-82329: JFrog Artifactory Authentication Bypass Exploitation Activity
Attacks targeting JFrog Artifactory (CVE-2026-82329) exploded in 72 hours. Fastly threat intelligence breaks down the mass scanning surge—and how our virtual patch protects you today.
What is CVE-2026-66066? Protecting Your Rails App from Active Storage RCE
Learn about CVE-2026-66066: An arbitrary file read vulnerability in Rails Active Storage. Understand the risks and protect your environment with our virtual patch.
What is CVE-2026-23869? React Server Components Security Alert
CVE-2026-23869: High-severity denial of service vulnerability in React Server Components. See impacts, affected versions, and get immediate protection with a virtual patch.
React2Shell Continued: What to know and do about the 2 latest CVEs
In the wake of the critical severity React2Shell CVEs, two new CVEs exploiting similar Next.js and React components were announced on December 11. Learn more about these new CVEs.
AI Bots in Q2 2025: Trends from Fastly's Threat Insights Report
Fastly's Q2 2025 Threat Insights Report uncovers how Meta, OpenAI, and others are shaping web traffic and what organizations need to do to stay in control.
ToolShell Remote Code Execution in Microsoft SharePoint: CVE-2025-53770 & CVE-2025-53771
Microsoft revealed two critical vulnerabilities, CVE-2025-53771 and CVE-2025-53770, actively exploited to compromise SharePoint servers.
OS Command Injection Explained
In this blog, we'll explore the web application vulnerability, OS Command Injection, and how to prevent it.
CVE-2025-29927: Authorization Bypass in Next.js
A critical Next.js Vulnerability (CVE-2025-29927) lets attackers bypass authorization. Protect your applications now.
DDoS in February
Fastly's February 2025 DDoS report reveals a 285% month-over-month surge in DDoS attacks. Learn about key trends, targeted industries, and actionable security guidance.
DDoS in January
Stay informed with Fastly's monthly DDoS report, highlighting a 14.5% rise in attacks. Utilize our data-driven insights to bolster your application's security.
DDoS in December
Discover the latest trends and actionable insights on application DDoS attacks in December 2024. Strengthen your security with our expert analysis and guidance.
Back to Basics of Automated Attacks: Account Takeover
Explore account takeover attacks and mitigations including modern authentication with 2FA/passkeys, and anti-bot measures to enhance account security.
Detection as Code with Fastly's WAF Simulator
Being able to test and validate rule behavior is critical to a maintainable WAF. With our WAF Simulator, you can validate rules in a safe simulation environment.
Active exploitation of unauthenticated stored XSS vulnerabilities in WordPress Plugins
We have observed active exploitation attempts targeting three high-severity CVEs: CVE-2024-2194, CVE-2023-6961, and CVE-2023-40000.
How to Protect Against Credential Stuffing
In this post, we will discuss a low latency approach to detect these attacks by co-locating the password hashes in a KV Store, along with Compute on Fastly’s edge.
Cyber 5 Threat Insights
To gain a broader understanding of the threat landscape during "Cyber 5" weekend, we analyzed attack activities with a particular focus on commerce sites.
WAF Simulator: Transforming DevSecOps Workflows
We're excited to announce Fastly's new WAF Simulator, which simplifies the testing process and provides the following key benefits.