Colm MacCárthaigh tells the inside story of how AWS responded to Heartbleed. The Heartbleed SSL vulnerability came out five years ago. In this Twitter thread Colm, who was Amazon’s principal engineer for Elastic Load Balancer at the time, describes how the AWS team responded to something that “was scarier than any bug I’d ever seen”. It’s a cracking story.
Recent articles
- JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
- OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
- GPT-5.2 - 11th December 2025