ChatGPT Lockdown Mode Bypass: Phishing, Malware Delivery, and Silent Data Exfiltration

Reported by Check Point Research (stcpresearch)

Summary by Cyber Security News5 Nov 2026, 15:00 CET

About this summary. This is a short excerpt from the description that Check Point Research published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://research.checkpoint.com/2026/chatgpt-lockdown-mode-bypass-phishing-malware-delivery-and-silent-data-exfiltration/

Research by: Alexey Bukhteyev Key Takeaways OpenAI recently introduced Lockdown Mode, an optional advanced security setting designed to protect sensitive user data from prompt injection-based exfiltration attacks. Check Point Research discovered a vulnerability that allowed attackers to bypass Lockdown Mode, rendering its core protections ineffective.

Read the full article at Check Point Research →