AI is changing how employees use email. It now helps people read messages, write replies, and decide what to send. But as AI takes on more tasks, human oversight is falling behind. The new Proofpoint Email Without Humans report surveys 500 U.S. employees who use AI at work and reveals the security risks that come with this shift.

Key findings include:

• 75.0% use AI daily or more to recommend recipients, attachments, or documents
• 57.8% do not consistently review AI-written communications before sending
• 92.8% entered at least one type of sensitive company information into an AI tool in the past 90 days
• 50.8% remain confident they can spot email impersonation, even though AI has made it much harder

The report also explores how AI is changing email threats and what security teams can do to protect people and AI agents.

Download the report now.