Topic: parameter-to-prompt injection

Microsoft Copilot Hijacked in Reprompt Attack for Data Theft

The "Reprompt" attack is a cybersecurity threat that allows attackers to hijack a user's Microsoft Copilot session via a malicious link, exploiting a vulnerability where Copilot automatically executes prompts from a URL parameter. The attack uses three techniques—Parameter-to-Prompt injection, a ...