Perplexity's AI-powered browser, Comet, recently faced scrutiny due to a vulnerability that allowed attackers to manipulate its AI agent through prompt injection attacks, which involved embedding malicious prompts in web content. This issue highlighted the importance of implementing a layered security approach for AI tools, especially as they become more integrated into web browsing. Enterprises face significant risks as these vulnerabilities can lead to phishing, data leaks, and unauthorized actions, exemplified by the potential for account takeover (ATO) attacks. To combat this, organizations are urged to adopt a multilayered fraud prevention strategy that includes device intelligence, adaptive authentication, and behavioral analytics to detect anomalies and prevent unauthorized access. This approach aims to provide real-time insights and strengthen defenses against rapidly evolving AI-driven threats, thereby safeguarding both users and business assets.