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Fraud & Security

Stop fraud before it clears — not after

Automated controls and human review, working together on every account.

Positive Pay

Match every check before it's paid

We compare checks presented for payment against the ones you issued, flag mismatches automatically, and hold anything unusual for your approval.

  • Automatic mismatch and exception detection
  • Configurable review and approval workflows
  • Simple integration with your current treasury tools
Set Up Positive Pay
Layers of defense

Security that doesn't rely on just one checkpoint

Payments

ACH Debit Blocks

Restrict which companies can pull funds from your accounts.

Access

Dual Control

Require a second approver on any payment above your threshold.

Monitoring

Real-Time Alerts

Instant notice on logins, large transfers and new payees.

Cards

Instant Card Lock

Freeze a card from the app the moment something feels off.

Identity

Multi-Factor Login

Biometric and device-based verification on every session.

Insurance

FDIC Coverage

Deposits insured up to the maximum allowed by law.

Report something

If it looks off, tell us immediately

TEL

Lost or stolen card

Call 1-800-555-0199, available 24/7, to freeze your card instantly.

MAIL

Suspicious email or text

Forward anything claiming to be from Western Alliance to phishing@westernalliance.site.

CHK

Unrecognized transaction

Message your relationship manager or call our fraud line to dispute a charge.

Have a suspicious transaction? We're available 24/7.