Glossary term

Forgery

Forgery is the creation, alteration, or use of a false document, signature, record, or financial instrument with intent to deceive or defraud.

Updated

May 19, 2026

Read time

3 min read

What Is Forgery?

Forgery is the creation, alteration, or use of a false document, signature, record, check, contract, title, or other instrument with intent to deceive or defraud. In financial settings, forgery can affect checks, loan documents, tax forms, account authorizations, deeds, invoices, contracts, identity documents, and business records.

The core issue is not simply that a document is inaccurate. Forgery involves a false document or signature used as if it were genuine. That false appearance can cause money to move, ownership to change, credit to be granted, or records to be trusted when they should not be.

Key Takeaways

  • Forgery involves creating or altering a document, signature, or instrument with intent to defraud.
  • It can affect checks, contracts, deeds, account forms, invoices, and identity documents.
  • Forgery can be part of larger schemes such as identity theft, loan fraud, elder financial abuse, or business fraud.
  • Digital documents and electronic signatures can also create verification challenges.
  • Independent verification and document controls reduce the risk of relying on a false record.

How Forgery Works

A forgery may be as simple as signing another person's name without authority or as complex as creating a convincing set of false records. A criminal may alter a check amount, create a fake authorization form, change wiring instructions, forge a deed, or submit fabricated business documents to support a loan or invoice.

The document matters because financial systems depend on records. Banks, lenders, title companies, employers, courts, and businesses rely on signatures and documents to prove authority, ownership, consent, and payment instructions.

Common Financial Forgery Examples

Document or Instrument

Potential Financial Harm

Check

Funds may be withdrawn or redirected.

Loan document

Credit may be issued based on false authority or identity.

Deed or title

Ownership records may be altered or challenged.

Invoice

A business may pay a false or altered bill.

Account form

Access, beneficiaries, or payment instructions may be changed.

Where Verification Matters

Forgery risk is higher when documents are accepted without a second check. Businesses can reduce risk by confirming payment changes, limiting who can approve account updates, reviewing signatures on high-value transactions, and preserving original records where needed.

Forgery risk has also moved beyond paper. Electronic signatures, PDF forms, scanned IDs, and online account changes can be legitimate, but they also make it easier for false documents to travel quickly unless the receiving party verifies the source.

Individuals should treat unexpected account changes, unfamiliar signatures, missing documents, or unexplained ownership changes as warning signs. The right response depends on the document and situation, but early documentation and contact with the institution involved can help limit damage.

The Bottom Line

Forgery turns a false document or signature into financial authority. Because money and ownership often move based on paperwork, verification controls matter before a document is trusted.

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