By NHI Mgmt Group Editorial TeamBased on Secureframe: “What a Fake Check Taught Us About AI-Enabled Banking Fraud: Looking “Normal” Is No Longer Safe” (January 22, 2026)

TL;DR: AI is making fabricated paper checks look routine enough to pass human review, according to Secureframe, and about two-thirds of businesses encountered check fraud in 2024, showing that exception-based controls are being tested by believable forgeries rather than obvious anomalies. Legacy verification now fails when legitimacy can no longer be inferred from appearance alone.


At a glance

What this is: Secureframe examines how AI is lowering the cost of check fraud by producing fabricated paper checks that look ordinary enough to defeat human review and default exception handling.

Why it matters: Banks, finance teams, and identity practitioners need to rethink where trust is placed when fraud no longer depends on stolen access, only on convincing artifacts that resemble legitimate business activity.

By the numbers:

  • About two-thirds of businesses encountered check fraud in 2024.

Context

AI-enabled banking fraud changes the control problem from spotting obvious anomalies to deciding what still deserves trust when forged artifacts can be made to look routine. That matters for banks and finance teams because exception handling, human review, and default payment safeguards were built around a world where bad items usually looked bad.

The Secureframe case shows that modern fraud can bypass physical access, stolen checkbooks, and insider misuse entirely by generating convincing payment artifacts. For identity and fraud practitioners, the relevant shift is not just document realism but the weakening of trust signals that once separated legitimate transactions from suspicious ones.


Key questions

Q: What breaks when AI-generated fraud looks routine enough to pass review?

A: Review processes break when they rely on human pattern recognition to separate legitimate from malicious items. AI can make forged artefacts look ordinary, which means exception handling becomes a trust decision rather than a verification step. The result is that controls still fire, but reviewers approve because the item appears consistent with normal business activity.

Q: Why do Positive Pay-style controls still miss some check fraud?

A: Because they verify record matching, not the deeper question of whether the instrument was created with authorised intent. If an exception reviewer can approve a believable item too easily, the control becomes a speed gate rather than a fraud barrier.

Q: What are the warning signs that AI-enabled fraud is bypassing payment controls?

A: Frequent exceptions, routine approvals under time pressure, and forged items that look ordinary rather than suspicious are all warning signs. The risk rises when review teams rely on formatting cues instead of stronger checks on source, authority, and transaction provenance.

Q: How should banks and finance teams respond when forged checks are accepted as routine?

A: Treat the event as a control-design failure, not just a fraudulent transaction. Tighten exception workflows, require independent confirmation for high-risk payments, and move from appearance-based review to evidence-based validation of issuance and authority.


Technical breakdown

Why AI makes check fraud look legitimate

AI reduces the cost of producing convincing payment artifacts. Layout, typography, payee names, memo lines, and amount selection can all be generated or refined quickly, which means the attacker no longer needs design skill or direct access to check stock. The important technical change is not perfect forgery but sufficient plausibility: a fake only has to fit the expected shape of a normal transaction to move into the review workflow. That shifts fraud from a pattern-recognition problem into a trust-assessment problem, especially where controls are tuned to catch outliers rather than well-formed abuse.

Practical implication: Treat plausibility itself as an adversarial capability and update review controls to test authenticity, not just formatting.

Why Positive Pay and human review can still fail

Positive Pay and similar exception controls compare presented items with issuer records, but they still depend on a human deciding whether an exception is legitimate. That works when anomalies are obvious and infrequent. It breaks down when fraud is engineered to resemble ordinary business activity, because reviewers are pushed toward speed, routine approval, and cognitive shortcuts. In effect, the control boundary moves from system validation to subjective judgement. The article’s point is not that the control is useless, but that its operating assumption is fragile once attackers can generate artifacts that look normal under time pressure.

Practical implication: Rework exception workflows so legitimacy is verified with stronger corroboration than visual inspection alone.

Why ordinary-looking fraud is now the attacker’s advantage

AI does not need urgency, threats, or social engineering to be effective in this context. It benefits from blending into operational noise, because the more average the forged artifact looks, the more likely it is to pass through a control stack designed around rarity and suspicion. This is a classic governance mismatch: legacy payment controls assume the attacker must stand out, while generative systems make standing out unnecessary. In identity terms, the trust signal is no longer the appearance of the item but the provenance and authorisation behind it, and that is where most legacy workflows are weakest.

Practical implication: Move fraud decisions toward provenance, authorisation, and ownership checks rather than appearance-based triage.


NHI Mgmt Group analysis

AI-enabled fraud is now a trust problem, not a document-quality problem. The Secureframe case shows that believable artifacts can replace stolen access as the primary fraud enabler. Once the attacker can generate something that looks operationally normal, controls built around anomaly spotting lose their edge. For practitioners, the control question shifts to provenance and authority, not appearance.

Exception handling has become a high-risk decision point. Positive Pay and similar controls still matter, but they are only as strong as the human decision that follows an exception. When review teams are conditioned to approve routine-looking items, AI-assisted fraud exploits the normal path rather than the obvious outlier. The governance gap is the assumption that human judgement can reliably distinguish ordinary from fraudulent at scale.

Identity governance and fraud governance are converging. This is not classic IAM, but it is an identity problem because the issue is whether a payment artifact can be tied to a valid source of authority. Secureframe’s example shows why financial workflows need stronger provenance checks, not just better screening. The practical conclusion is that identity assurance now extends into payment validation and transaction ownership.

Provenance is the named control gap this article exposes. The fraud succeeded because the system could not reliably verify who created the artifact, under what authority, and through which approved channel. That is a control failure, not merely a detection miss. Banks and finance teams should treat provenance as a first-class control objective in fraud governance, especially where AI makes normal-looking forgeries cheap.

Ordinary-looking abuse is the new baseline for AI-enabled banking fraud. When adversaries can optimise for believability, control design must stop assuming that suspicious activity will be visually obvious. The article reinforces a broader governance lesson: when realism is inexpensive, trust must be earned through evidence, not intuition.

From our research library:

What this signals

AI-enabled banking fraud is collapsing the value of surface-level legitimacy checks. For finance teams, the lesson is that any workflow built on the assumption that suspicious items will look suspicious is now exposed to cheap, scalable imitation. Controls need to move closer to issuance authority and transaction provenance.

Provenance is becoming a shared concern for fraud teams and identity teams. When a payment instrument can be fabricated without accessing the underlying system, the real control question is whether the artefact can be tied back to approved origin and accountable ownership. That is a governance problem as much as a detection problem.


For practitioners

  • Tighten exception approval criteria Require second-factor validation or out-of-band confirmation for any deposited item that hits a Positive Pay exception or similar manual review queue.
  • Separate payment legitimacy from visual inspection Add provenance checks that tie each check to approved issuance records, authorised payment runs, and accountable business owners.
  • Reclassify paper checks as high-risk Move paper checks into a higher-friction control path even if the channel is used infrequently, because low volume does not reduce the fraud payoff.
  • Build rapid escalation ownership Assign clear fraud response ownership so suspected forgeries are contained quickly before approvals become embedded as customer-authorised transactions.

Key takeaways

  • AI-generated check fraud weakens the value of controls that depend on human recognition of suspicious-looking items.
  • The Secureframe case shows that forged checks can pass through familiar processes even when no physical checkbook is stolen.
  • Banks and finance teams need stronger provenance checks, clearer approval ownership, and higher-friction exception handling.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, NIST SP 800-53 Rev 5 and CIS Controls v8 set the technical controls, while GDPR defines the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AA-05 — Access Permissions, Entitlements and AuthorizationsPayment approval workflows depend on controlled authorisation of who can approve exceptions.
PR.DS-10 — Data-in-Transit and Data-at-Rest ProtectionFraud prevention here depends on the integrity of payment data and issuer records.
Recommendation — Apply PR.AA-05 to bind exception approvals to named, authorised reviewers and documented decision rights. Protect payment issuance and approval records so fraudulent items cannot be validated against weak source data.
NIST SP 800-53 Rev 5AC-6 — Least PrivilegeOnly tightly scoped approvers should be able to clear high-risk payment exceptions.
Recommendation — Restrict manual exception approval to the minimum set of authorised roles under AC-6.
CIS Controls v8CIS-5 — Account ManagementFraud response depends on accountable, current ownership of approval and payment roles.
Recommendation — Review account and role ownership for payment operations so approvals are traceable to active staff.
GDPRArt.32 — Security of ProcessingThe article's fraud governance angle aligns with protecting processing integrity in financial operations.
Recommendation — Apply Art.32-style security of processing principles to payment workflows that rely on trust and verification.

Key terms

  • AI-Enabled Banking Fraud: Fraud that uses generative or automated AI to create payment artefacts, messages, or transaction patterns that look legitimate enough to pass routine review. The core risk is not only scale, but the reduction of friction that once made fraudulent activity easier to spot.
  • Exception handling: Exception handling is the process for resolving requests that do not fit standard automation paths. In support operations, exceptions often require human judgment, policy override, or manual approval. When AI is introduced, exception handling becomes a key boundary for what the system can safely automate and what it must defer.
  • Provenance: Provenance is the traceable history of where a software artifact came from, who approved it, and what controls were applied along the way. In container security, provenance supports trust decisions because it links delivery steps to accountable identities and review points.
  • Positive Pay: A bank control that compares presented checks against an issued check list and flags mismatches for review. It reduces fraud when exceptions are rare, but it depends on human judgment once a check is deemed close enough to consider authorised.

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NHIMG Editorial Note
Published by the NHIMG editorial team on July 11, 2026.
Updated on October 11, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org