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AP Invoice Fraud Prevention: Red Flags and Effective Controls (Course Id 2687)

QAS / Registry
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Author:

Peter Ilas, FCCA, Finance Transformation Expert, Author, and Strategic Advisor

Course Length:

Pages: 48 ||| Word Count: 16,559 ||| Review Questions: 8 ||| Final Exam Questions: 13

CPE Credits:

2.5

IRS Credits:

0

Price:

$22.45

Passing Score:

70%

Course Type:

Text
AP Invoice Fraud Prevention: Red Flags and Effective Controls - CPE course for CPAs

Technical Designation:

Technical

Field Of Study:

Accounting

Approved Audience:

NASBA QAS - NASBA Registry

Key Takeaways:

This course equips finance professionals with tools to detect, prevent, and combat accounts payable invoice fraud and vendor manipulation schemes.

  • Explains that billing schemes account for roughly 22% of occupational fraud cases worldwide according to the Association of Certified Fraud Examiners.
  • Covers red flags and preventive and detective controls used to identify fraudulent vendor billing.
  • Includes downloadable red flag reference cards to reinforce accounts payable fraud detection.
  • Worth 2.5 CPE credits in Accounting as a self study text course on accounts payable invoice fraud prevention, requiring a 13 question final exam preceded by 8 review questions (optional) and a 70% passing score.

Frequently Asked Questions:

The AP Invoice Fraud Prevention Red Flags and Effective Controls course identifies schemes including fictitious invoices, shell vendor companies, and duplicate payments.

This course covers Business Email Compromise and phishing scams as AP fraud entry points.

This course examines a realistic case scenario involving vendor employee collusion in accounts payable.

This course explains how to integrate manual controls with RPA and AI to enhance fraud prevention.

This course is a Technical, self study text course worth 2.5 CPE credits in Accounting, requiring a 13 question final exam preceded by 8 review questions (optional), with a 70% passing score. CPEthink is approved by NASBA as a CPE sponsor and lists this course on the NASBA site as a courtesy for CPAs to search https://nasba.org.

Yes, AP Invoice Fraud Prevention: Red Flags and Effective Controls provides two and a half hours of CPE credit in fraud prevention, detection, or reporting, which counts toward the four hour fraud CPE requirement imposed by the California Board of Accountancy (http://www.dca.ca.gov/cba) on CPAs subject to the accounting and auditing, governmental auditing, or preparation engagement CE requirement.

Description:

AP invoice or billing fraud is among the most common and expensive types of occupational fraud worldwide. According to the Association of Certified Fraud Examiners (ACFE), organizations lose approximately 5% of their revenue to fraud annually, with billing schemes accounting for roughly 22% of these cases globally! AP fraud schemes typically last a long time—often 18 months before detection—and over half of them cause losses exceeding $100,000.

This comprehensive course equips finance professionals with essential skills to detect, prevent, and combat accounts payable and vendor manipulation fraud. You'll master the critical aspects of AP fraud prevention through practical, real-world scenarios that blend theoretical knowledge with actionable strategies.

Through this focused training program, you'll learn to:

  • Identify common AP fraud schemes: Discover the various deceptive methods fraudsters use to exploit accounts payable systems, including fictitious invoices, shell vendors, and payment diversions
  • Recognize red flags and warning signs: Learn to spot subtle indicators that may signal fraudulent invoice or vendor activity
  • Implement effective preventive controls: Explore key strategies to establish robust safeguards that prevent AP fraud before it occurs
  • Deploy detective controls: Gain insights into monitoring techniques that help identify suspicious activities early
  • Leverage technology solutions: Understand how to use RPA (Robotic Process Automation) and AI (Artificial Intelligence) to enhance your fraud prevention capabilities

The course provides downloadable AP Fraud and Vendor Manipulation Red-Flag Cards that serve as quick reference guides for identifying the most common fraud indicators.

Whether you're an AP or procurement specialist, accounting manager, controller, auditor, or finance professional, this course will sharpen your "fraud lens" and equip you with practical tools to protect your organization from costly AP fraud schemes and vendor manipulation.

Usage Rank:

55455

Release:

2025

Version:

1.0

Prerequisites:

None.

Experience Level:

Overview

Additional Contents:

Complete, no additional material needed.

Additional Links:

Advance Preparation:

None.

Delivery Method:

QAS Self Study

Intended Participants:

Anyone needing Continuing Professional Education (CPE).

Revision Date:

20-Oct-2025

NASBA Course Declaration:

Participants must complete the final examination within one year of purchase and with a minimum passing grade of 70% or better to receive CPE credit unless otherwise noted on the Course History page (i.e. California Ethics must score 90% or better). After logging in click on the Course History links on your My Courses page for the Begin date and Expire date for the Final Exam.

Keywords:

AP Invoice Fraud Prevention: Red Flags and Effective Controls - CPE course for CPAs

Learning Objectives:

Course Learning Objectives

After completing this course, participants will be able to:

  1. Identify common accounts payable (AP) fraud schemes and understand how they operate.
  2. Recognize key red flags in AP processes that may indicate fraudulent activity is occurring.
  3. Implement critical preventive controls in AP processes to block fraudulent activity before payments occur.
  4. Design and deploy effective detective controls to identify actual fraud cases.
  5. Leverage modern technology solutions and data analytics to strengthen your controls.
  6. Apply knowledge of global fraud trends to understand why strong ethics and controls are essential.

Section 1

AP Invoice Fraud: Overview, Schemes, Red Flags

Upon completion of this section, you will be able to:

  • Identify common accounts payable (AP) fraud schemes – including fictitious invoices, shell vendors, and payment diversions – and understand how they operate.
  • Recognize key red flags in AP processes that may indicate fraudulent activity is occurring, such as unusual invoice patterns and vendor master changes.
  • Apply knowledge of global fraud trends (based on ACFE 2024 data) to understand why strong ethics and preventive controls in AP operations are essential.
  • Analyze realistic AP fraud scenarios to understand how multiple schemes can combine and what warning signs should trigger investigation.

Section 2

Preventive, Detective, Automated & AI Controls

Upon completion of this section, you will be able to:

  • Implement critical preventive controls in AP processes to block fraudulent activity before payments occur.
  • Design and deploy effective detective controls such as vendor master audits and exception reporting to identify actual fraud cases.
  • Leverage modern technology solutions and data analytics to strengthen both preventive and detective controls throughout the procure-to-pay cycle.
  • Apply best practices for vendor onboarding, management, and payment processes to protect your organization from both internal and external AP fraud schemes.

Course Contents:

Section 1. AP Invoice Fraud: Overview, Schemes, Red Flags

Learning Objectives for Section 1

1.1 Course Introduction

1.2 Fraud Statistics and Ethical Relevance

1.3 Common AP Invoice and Vendor Fraud Schemes

1. Fictitious or False Invoices (Fake Billing)

2. Shell Vendor Companies

3. Duplicate Invoices and Payments

4. Personal Purchases via Company Vendors

5. Vendor–Employee Collusion (Kickbacks & Overbilling)

6. Vendor Master File Manipulation

7. Payment Diversion & Check Tampering

8. Business Email Compromise (BEC) & Phishing Scams

Realistic Case Scenario – Vendor Collusion in AP

1.4 Common Red Flags in AP Invoices & Payments

1. Unexplained Spikes in Vendor Payments

2. Extraordinarily Large Single Payments

3. Suspicious Payment Timing

4. Invoices Just Below Approval Thresholds

5. Duplicate Invoices or Payments

6. Repetitive or Round-Number Invoice Amounts

7. Vendor Identity Anomalies (Duplicate IDs or Addresses)

8. Frequent Vendor Master Changes

9. One-Time Vendors with Big Payouts

10. Employee Behavioral Red Flags

Realistic Case Scenario – Red Flags

Multiple Red Flags

Section 1 Review Questions

Section 2. Preventive, Detective, Automated & AI Controls

Learning Objectives for Section 2

Introduction to AP Controls

2.1 Key Preventive Controls in AP & Vendor Management

1. Segregation of Duties (SoD)

2. Purchase Orders and Three-Way Match

3. Approval Workflows and Authorization Limits

4. Vendor Due Diligence (Know Your Supplier)

5. Bank Account Change Verification (“Callback” Controls)

6. Access Controls & Physical Safeguards

7. Vendor Rotation and Competitive Bidding

8. Mandatory Vacations & Job Rotation

How Preventive Controls Could Have Stopped Jonah

2.2 Detective Controls and Oversight

1. Frequent Reconciliations

2. Analytics & Exception Reporting

3. Vendor Confirmations and Reconciliations

4. Self-Testing of Internal Controls

5. Whistleblower Hotlines and Open Communication

6. Management Oversight and Reviews

7. Internal Audits and Surprise Inspections

How Detective Controls Could Have Caught Jonah

2.3 Leveraging Technology in AP Fraud Defense

Automated Invoice Matching Systems

Duplicate Payment and Data Redundancy Technology

Vendor Master File Protection

Bank Detail Validation Technologies

E-Invoicing: The Ultimate Control

Advanced Anti-Fraud Synergy of AI and RPA

The Integrated Approach: RPA + AI

Technology Needs Oversight

Conclusion on Controls

2.4 Key Takeaways and Conclusion

AP Processes: High-Value Targets

A Multi-Layered Defense Strategy

The Critical Role of Culture

Your Next Action Steps

Section 2 Review Questions

Thank You

Glossary of Key Terms

Click to go to: CPA Fraud CPE Courses | Forensic Accounting CPE Courses
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