Machine Learning for Auditors

Use artificial intelligence (AI) techniques to build tools for auditing your organization. This is a practical book with implementation recipes that demystify AI, ML, and data science and their roles as applied to auditing. You will learn about data analysis techniques that will help you gain insights into your data and become a better data storyteller. The guidance in this book around applying artificial intelligence in support of audit investigations helps you gain credibility and trust with your internal and external clients. A systematic process to verify your findings is also discussed to ensure the accuracy of your findings.

MACHINE LEARNING FOR AUDITORS provides an emphasis on domain knowledge over complex data science know how that enables you to think like a data scientist. The book helps you achieve the objectives of safeguarding the confidentiality, integrity, and availability of your organizational assets. Data science does not need to be an intimidating concept for audit managers and directors. With the knowledge in this book, you can leverage simple concepts that are beyond mere buzz words to practice innovation in your team. You can build your credibility and trust with your internal and external clients by understanding the data that drives your organization.

WHAT YOU WILL LEARN

* Understand the role of auditors as trusted advisors
* Perform exploratory data analysis to gain a deeper understanding of your organization
* Build machine learning predictive models that detect fraudulent vendor payments and expenses
* Integrate data analytics with existing and new technologies
* Leverage storytelling to communicate and validate your findings effectively
* Apply practical implementation use cases within your organization

WHO THIS BOOK IS FOR

AI AUDITING is for internal auditors who are looking to use data analytics and data science to better understand their organizational data. It is for auditors interested in implementing predictive and prescriptive analytics in support of better decision making and risk-based testing of your organizational processes.

MARIS SEKAR is a professional computer engineer, Certified Information Systems Auditor (ISACA), and Senior Data Scientist (Data Science Council of America). He has a passion for using storytelling to communicate on high-risk items within an organization to enable better decision making and drive operational efficiencies. He has cross-functional work experience in various domains such as risk management, data analysis and strategy, and has functioned as a subject matter expert in organizations such as PricewaterhouseCoopers LLP, Shell Canada Ltd., and TC Energy. Maris’ love for data has motivated him to win awards, write LinkedIn articles, and publish two papers with IEEE on applied machine learning and data science.

PART I. TRUSTED ADVISORS

1. Three Lines of Defense

2. Common Audit Challenges

3. Existing Solutions

4. Data Analytics

5. Analytics Structure & Environment

PART II. UNDERSTANDING ARTIFICIAL INTELLIGENCE

6. Introduction to AI, Data Science, and Machine Learning

7. Myths and Misconceptions

8. Trust, but Verify

9. Machine Learning Fundamentals

10. Data Lakes

11. Leveraging the Cloud

12. SCADA and Operational Technology

PART III. STORYTELLING

13. What is Storytelling?

14. Why Storytelling?

15. When to Use Storytelling

16. Types of Visualizations

17. Effective Stories

18. Storytelling Tools

19. Storytelling in Auditing

PART IV. IMPLEMENTATION RECIPES

20. How to Use the Recipes

21. Fraud and Anomaly Detection

22. Access Management

23. Project Management

24. Data Exploration

25. Vendor Duplicate Payments

26. CAATs 2.0

27. Log Analysis

28. Concluding Remarks