Cybersecurity researchers have disclosed details of a new attack called CometJacking targeting Perplexity’s agentic AI browser Comet by embedding malicious prompts within a seemingly innocuous link to siphon sensitive data, including from connected services, like email and calendar.
The sneaky prompt injection attack plays out in the form of a malicious link that, when clicked, triggers the

Scanning Activity on Palo Alto Networks Portals Jump 500% in One Day
4 October 2025



