Google held an event called “LLM bugSWAT” where people uncovered vulnerabilities in Google's systems. The authors of this article found significant security flaws, including an Insecure Direct Object Reference in Google's Bard and a Denial of Service vulnerability through Directive Overloading in Google's Cloud Console. They used Gemini Extensions to exfiltrate sensitive personal information by cleverly bypassing the Content Security Policy, a feat that rewarded them with a $50,000 reward.