Fed up with vibe coders, dev sneaks data-nuking prompt injection into their code

The controversy over vibe coding reached a new high this week after a developer added hidden instructions to his open source Java testing app to sabotage projects performed by AI coding agents. The ...
VentureBeat

Three AI coding agents leaked secrets through a single prompt injection. One vendor's system card predicted it

A security researcher, working with colleagues at Johns Hopkins University, opened a GitHub pull request, typed a malicious instruction into the PR title, and watched Anthropic’s Claude Code Security ...
techtimes

Claude Code Hid Proxy Fingerprints in System Prompts: Anthropic Promises Fix

A developer reverse-engineering Anthropic's Claude Code binary discovered on June 30, 2026, that the tool had been silently encoding hidden signals into its AI system prompts for at least three months ...
Visual Studio Magazine

Prompt Engineering? See VS Code Team's System Prompts for Copilot Chat, Now Open Source

"Now that the code is open source, what does it mean for you? Explore the codebase and learn how agent mode is implemented, what context is sent to LLMs, and how we engineer our prompts. Everything, ...
Entrepreneur

The Man Behind Anthropic’s Claude Code Hasn’t Written a Line of Code in 8 Months — Here’s What He Does Instead

Boris Cherny is the creator of Anthropic’s Claude Code tool, which writes code on behalf of developers based on a text prompt. Cherny hasn’t handwritten code in eight months; instead, he manages ...