Stories by jgrahamc

Why CAPTCHAs Will Be with Us Always

The end of the road for Cloudflare CAPTCHAs

Voiding the warranty on a 1993 Minitel 2 to run arbitrary firmware

Cloudflare’s investigation of the January 2022 Okta compromise

Unlocking QUIC’s proxying potential with MASQUE

Using a Minitel 1B as a serial terminal

A Primer on Proxies

Resurrecting a Dataman S4 PROM Programmer

How Cloudflare verifies the code WhatsApp Web serves to users

DNSSEC issues take Fiji domains offline

Experimental DDR in 1.1.1.1

Cloudflare, CrowdStrike, Ping Identity Launch Critical Infrastructure Defense

Internet traffic patterns in Ukraine since February 21, 2022

iCloud Private Relay: information for Cloudflare customers

HPKE: Standardizing public-key encryption (finally)

BGP Security and Confirmation Biases

Making protocols post-quantum

Building a Marketing Engineering Platform Using Next.js, Cloudflare, Contentful

Deep Dive into a Post-Quantum Signature Scheme

Deep Dive into a Post-Quantum Key Encapsulation Algorithm

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