Sentinelle blog

OpenAI Daybreak: The AI Cybersecurity Platform That Wants to Automate Defense

OpenAI launched Daybreak, a GPT-5.5-powered cybersecurity platform that detects vulnerabilities, generates fixes, and speeds up remediation.

Chris · May 23, 2026

Recent updates

Chris
May 23, 2026
OpenAI launched Daybreak, a GPT-5.5-powered cybersecurity platform that detects vulnerabilities, generates fixes, and speeds up remediation.
OpenAI Daybreak: The AI Cybersecurity Platform That Wants to Automate Defense[ia-agents]
3 min
Chris
May 22, 2026
Cursor officially launched Composer 2.5 with major improvements in long-task reliability, instruction-following, and coding workflows. Here’s what actually changed.
Cursor Composer 2.5: The First Real Leap in AI Coding Agents?[ia-agents]
3 min
Chris
May 22, 2026
GitHub confirmed a supply chain compromise involving a poisoned VS Code extension that exposed around 3,800 internal repositories. Here’s what happened and why it matters
GitHub Compromised Through a Poisoned VS Code Extension: A Supply Chain Wake-Up Call[web]
2 min
Chris
May 22, 2026
Offensive AI case study: how Sentinel turned a simple backend flaw into full admin access and payment-card exposure in under 2 minutes.
How a Simple Logic Flaw Became a Full Platform Compromise in Under 2 Minutes[mass-assignment]
3 min
Chris
May 21, 2026
A real bug bounty case study: I found a critical GraphQL IDOR with Sentinelle in minutes by exploiting an unprotected mutation vulnerable to account takeover.
How I Found a Critical IDOR on a Bug Bounty Program With My Own Tool[bug-bounty]
2 min