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Cloudflare engineering and product posts: bot defense, cache and DNS optimization, and AI-era security.

Newsletters

Every Cloudflare newsletter

Newest first. Within each, the most-clicked headlines come first.

Volume 343, Issue 1

2026-10-05 – 2026-10-11
  1. Cloudflare Open Sources Decision Models for AI Agents
  2. Cloudflare Uses an AI Harness to Probe and Harden Its WAF
  3. Cloudflare Introduces CLI for AI Agents, Sunsetting Wrangler
6 articles →

Volume 342, Issue 5

2026-09-28 – 2026-10-04
  1. Introducing Workers KV Instant - Powered by Quicksilver
  2. Cloudflare Moves Into Analytics Workloads With a Serverless Alternative to Dedicated Data Infrastructure
  3. Support for Modern Cryptographic Algorithms in Workers
15 articles →

Volume 342, Issue 3

2026-09-14 – 2026-09-20
  1. Introducing Context-Aware Vulnerability Discovery and Remediation With Cloudflare Managed Defense and OpenAI Daybreak Models
  2. How We Could Save Petabytes of Cache Storage With Zstandard and Pingora
  3. Introducing Adaptive Intelligence: Undermining the Economics of Every Bot Attack
10 articles →

Volume 341, Issue 4

2026-08-24 – 2026-08-30
  1. A Revisit of Remote Spectre Attacks on Cloudflare Workers
  2. Say It Once: Introducing Bot Preference Sync
  3. From All-or-Nothing to Task-Based OAuth Consent
6 articles →

Volume 341, Issue 3

2026-08-17 – 2026-08-23
  1. Cloudflare DDoS Threat Report H1 2026: 1 Tbps Attacks Soar as DNS Floods and Geopolitical Tensions Drive a New Wave
  2. Building an Open Agentic Internet: Readable, Discoverable, Callable, and Payable
  3. Give Any Website a WebMCP Interface
15 articles →

Volume 341, Issue 2

2026-08-10 – 2026-08-16
  1. BGP ORIGIN Attribute Manipulation and Its Impact on the Internet
  2. The Next Generation of MCP
  3. Introducing Kitesurf: The Agent-First Browser that Runs in V8 Isolates on Cloudflare Workers
15 articles →

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