Fraud & Duplicate Prevention

Every invoice verified. Every threat stopped.

AI checks every invoice against your vendor records, contact lists, and payment history before anything gets paid.

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AP fraud is growing and manual review can't keep up

Business email compromise cost companies $2.9 billion in 2023, and AP teams are the #1 target

Duplicate invoices slip through when teams process hundreds of bills a month across email and portals

Fake invoices from unknown senders look legitimate enough to fool a busy AP clerk

Three layers of protection, fully automated

Every invoice is checked for fraud, duplicates, and vendor legitimacy before it enters your workflow

Business Email Compromise

Fraudsters impersonate vendors and request payment detail changes. Quiet AI verifies sender identity against known contacts before any action is taken.

Duplicate Invoices

The same invoice submitted twice, sometimes months apart. Quiet AI matches invoice numbers, amounts, and line items to catch duplicates instantly.

Fake Invoice Attacks

Invoices from unknown vendors or spoofed domains. Quiet AI cross-references every sender against your onboarded vendor list and flags imposters.

Business Email Compromise Detection

A vendor contact requests a payment info change. Quiet AI verifies the sender before acting

Gmailap@company.com
JH
jim@dundermifflin.comFeb 24, 10:47 AM
Update Payment Info — Dunder Mifflin

Hi, we've recently changed banks and need to update the ACH details you have on file for Dunder Mifflin. Please use the following going forward: Bank: First Continental Bank of Nauru Routing: 084729163 Account: 7301948256 Let me know once this is updated. Thanks!

QuietQuiet AI Review
✓Dunder Mifflin is an onboarded vendor in our system
✓dundermifflin.com is a valid domain for Dunder Mifflin
jim@ is not a known point of contact for Dunder Mifflin
Email is asking to update Dunder Mifflin's ACH information, which is a protected action
Quiet AI is asking for permission

We received a request from jim@dundermifflin.com to update ACH payment details for Dunder Mifflin. The domain is valid and the vendor is onboarded, but jim@ is not a known contact. Updating payment information is a protected action. Would you like to proceed?

No, don't change payment information
Yes, change it
Type something…

Duplicate Invoice Detection

An invoice arrives that matches one already on file. Quiet AI catches it and drafts a clarification

Gmailap@company.com
LR
lydia@madrigalelectromotive.comFeb 24, 9:15 AM
Invoice #302 — February 2026

Hi, please find attached our invoice for chemical distribution services for February 2026. Best, Lydia

INV-302-Feb2026.pdf

Hi, please find attached our invoice for chemical distribution...

To: lydia@madrigalelectromotive.comDraft
Re: Invoice #302 — February 2026

Hi Lydia, We noted that your invoice matches an invoice we already have on file (#302, dated Feb 3 2026, in the amount of $25,000) from Madrigal Electromotive. Could you please clarify? Thanks,

Company AP Team

Send
QuietQuiet AI Review
✓Madrigal Electromotive: ACH and tax info on file
✓Scanned invoice PDF
Found existing invoice from Madrigal Electromotive with the same invoice number (#302) and amount ($25,000)
✓Drafted clarification request to Madrigal Electromotive
INV-302
Madrigal Electromotive
Pending Approval
Amount
$25,000.00
Invoice Date
Feb 3, 2026
Description
Chemical distribution services
Potential duplicate of incoming invoice #302

Fake Invoice Deflection

A spoofed email tries to push a fraudulent invoice. Quiet AI identifies the impersonation attempt

Gmailap@waystarroyco.com
LR
logan@waystarr0yco.ruFeb 23, 9:12 AM
Urgent — Invoice from Fabrica Technologies

Hi, please process the attached invoice from Fabrica Technologies as soon as possible. This needs to go out today.

fabricatech-invoice.pdf
QuietQuiet AI Review
Email logan@waystarr0yco.ru is not a known address for internal employee Logan Roy
Vendor Fabrica Technologies has not been onboarded
Potential impersonation attack
Quiet AI is asking for clarification

We received an email from a sender resembling employee Logan Roy. However, the email address is different than Logan typically uses. Further, the vendor has not been onboarded. Is this a legitimate invoice?

No, it's fraudulent
Yes, it's real
Type something…

Threats Quiet AI catches before you pay

Unknown sender requesting payment detail changes

Spoofed domains mimicking internal employees

Duplicate invoices submitted weeks, months, or years apart

Invoices from vendors not in your system

Payment requests with mismatched contact info

Potential impersonation attacks on your AP inbox

See how Quiet AI protects your AP process

Watch fraud detection in action on real invoice scenarios.

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