Preview: Policy Engine, Universal keys, and challenge policies are available in Preview for Google Cloud Fraud Defense.

• Policy Engine lets you perform frontend JavaScript integration using AutoExecute and configure custom rules to selectively trigger CAPTCHA challenges based on risk score, IP addresses, user agents, ASNs, or verified bot identities. • A new AI-resistant QR code challenge is available.

For more information about the types of challenges that are available, see Challenge types.