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Cybersecurity

Prevent Business Email Compromise and Invoice Fraud

A targeted playbook for reducing payment redirection scams, vendor impersonation, and fraudulent invoice approvals.

Advanced 11 min read Updated Apr 25, 2026
1

Harden payment authorization workflows

Fraud succeeds when approval paths are informal or rushed.

Use dual approval and role separation for payment actions.

Action checklist

  • Require dual approval above payment threshold.
  • Separate invoice entry and payment release duties.
  • Block same-user creation and approval for high-risk actions.
2

Verify vendor changes out-of-band

Bank detail changes are a common BEC objective.

Validate all payment-detail updates through known vendor channels.

Action checklist

  • Call known vendor contacts from approved list.
  • Require written confirmation from trusted domain.
  • Hold first payment after account changes for secondary review.
3

Tune mail controls for impersonation risk

Impersonation warnings and external sender banners reduce click-through risk.

Apply anti-impersonation policies for executive and finance identities.

Action checklist

  • Enable impersonation protection policies.
  • Use external sender warnings for all inbound external mail.
  • Flag lookalike domains proactively.
4

Build a rapid payment-fraud response

Early response can sometimes freeze or recover transfers.

Document immediate contact chains with bank and legal stakeholders.

Action checklist

  • Maintain emergency bank fraud contact list.
  • Define internal incident declaration triggers.
  • Capture evidence and timeline for each suspected attempt.