Documents are forged more often when they have weaker security features, are widely accepted, or sit inside legal and operational gaps that reduce the chance of detection. National ID cards are common targets because they may lack the richer protections found on travel documents. Fraudsters also exploit low privacy awareness, data exposure, and verification systems that cannot validate embedded security elements.
Some identity documents are forged more often because they offer weaker resistance to copying, are accepted in more places, or are checked in ways that do not fully validate the security features that should distinguish a real document from a fake. The difference is usually not one single flaw, but a combination of document design, verification quality, and how valuable the document is to fraudsters.
Forgery risk also rises when the document is common, easy to obtain details for, or exposed to broad reuse across services. A document that looks familiar to verifiers, but lacks strong embedded protections or consistent inspection practices, gives criminals more opportunity to succeed than a document that is tightly controlled and harder to authenticate.
What makes one identity document a better forgery target?
The main drivers are security strength and operational coverage. Documents with plain visual fields, limited machine-readable protection, or older design features are easier to imitate than documents with layered safeguards such as chips, cryptographic validation, holography, and structured inspection workflows. If a verifier can only glance at the surface, the attacker only needs to defeat the surface.
Acceptance matters as much as design. A document that is widely recognised can be more attractive to fraudsters because a successful fake has broader utility. National identity cards often fall into this category: they are common, often relied on for everyday checks, and may not always carry the same level of verification depth as travel documents in every jurisdiction.
Why verification gaps create uneven forgery patterns
Forgery is not only about the document itself, it is also about whether the checking system can reliably test what the document claims to be. If an organisation does not validate embedded elements, does not check issuer data properly, or lacks a consistent way to compare the document against authoritative sources, a weak fake can pass as real.
This is why the same document type may be harder to forge in one environment and easier in another. The legal and operational environment matters, including privacy rules, staff training, tooling, and whether the verifier has access to secure validation infrastructure. Fraudsters look for the places where the process is softer than the document design suggests.
What fraudsters exploit most often
Attackers usually focus on the easiest path to acceptance, not the most sophisticated counterfeit. That means they exploit low privacy awareness, data leakage, weak manual review, and systems that cannot inspect security features beyond the visible layer. If the verifier cannot confirm authenticity quickly and consistently, the forgery threshold drops.
They also benefit from re-use of document data across onboarding, account recovery, and in-person checks. Once a document format or its underlying data is exposed, it can be used repeatedly until controls improve, which is why forgery trends often track both security weakness and operational convenience.
Risk and Threat Considerations
Identity-document forgery becomes materially more dangerous when the same document can unlock onboarding, account recovery, or regulated access with only superficial checks. The risk is not just a fake document passing once, but a repeatable trust failure that can scale across many verifiers.
Failure mechanism: Weak document features, incomplete inspection, and limited validation against issuer data allow counterfeit documents to satisfy a process that trusts appearance more than authenticity.
Impact: Fraudulent onboarding, account takeover, impersonation, and downstream compliance failures become easier, especially where the forged document is accepted as a primary proofing signal.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
NIST SP 800-53 Rev 5, NIST CSF 2.0 and OWASP ASVS set the technical controls, while GDPR defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST SP 800-53 Rev 5 | IA-2 — Identification and Authentication (Organizational Users) | Identity document checks support user proofing before access is granted. |
| IA-8 — Identification and Authentication (Non-Organizational Users) | Fraudulent identity documents are often used to impersonate external users. | |
| Recommendation — Require stronger identity proofing before onboarding or access approval. Apply stronger proofing for external identities before trusting documents. | ||
| NIST CSF 2.0 | PR.AA-05 — Identity Management, Authentication, and Access Control | Document acceptance is part of authenticating and admitting identities. |
| Recommendation — Verify identity evidence before granting access or onboarding. | ||
| OWASP ASVS | V6 — Authentication | Document-based proofing feeds authentication decisions that must resist impersonation. |
| Recommendation — Harden proofing checks that support authentication decisions. | ||
| GDPR | Art.32 — Security of Processing | Where identity documents include personal data, insecure verification can expose or misuse it. |
| Recommendation — Protect identity data used in verification with appropriate security controls. | ||
Practitioner Guidance
What to verify: Treat document type and verification depth as a matched pair. A document that is common but weakly protected should trigger stronger checking, not faster acceptance.
Decision rule: If the verifier cannot validate embedded security features or issuer data, assume the process is vulnerable to forgery and require a stronger proofing step before trust is granted.
What practitioners underestimate: The real weakness is often the verification workflow, not the document design alone. A strong document can still be forged in practice if the organisation relies on visual inspection and inconsistent human judgement.
Practitioner takeaway: Forgery frequency follows the path of least resistance, so the best defence is to raise both the document’s intrinsic security and the verifier’s ability to test it consistently.
Related resources from NHI Mgmt Group
- What do teams get wrong about balancing security and user experience in digital identity flows?
- What do teams get wrong about ransomware preparedness when they focus only on encryption and ignore identity abuse?
- What are the three elements of a non-human identity?
- What do identity teams get wrong about proofing with documents?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 25, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
