Double Entry Accounting for Security

Presented at BSidesLV 2023, Aug. 9, 2023, 11:30 a.m. (Unknown duration)

Double entry accounting is a practice that forms the foundation of present-day bookkeeping and accounting. When the methodology was discovered, it revolutionized finance. Could a similar practice work for cybersecurity? This session will walk through ways that you can (and unknowingly already have) implemented a form of double entry accounting that can help you revolutionize your security program.


  • Sounil Yu
    Sounil Yu is the CISO and Head of Research at JupiterOne. He created the Cyber Defense Matrix and the DIE Triad, which are reshaping approaches to cybersecurity. He's a Board Member of the FAIR Institute; is a visiting fellow at GMU Scalia Law School's National Security Institute; guest lectures at Carnegie Mellon; and advises many startups. Sounil previously served as the CISO-in-Residence at YL Ventures and Chief Security Scientist at Bank of America. Before BofA, he helped improve information security at several Fortune 100 companies and Federal Government agencies. Sounil has over 20 granted patents and was recognized as one of the most influential people in security in 2020 by Security Magazine, Influencer of the Year in 2021 by SC Awards, a 2021 Top 10 CISO by Black Unicorn Awards, and for Lifetime Achievement in 2022 by the SANS Institute. He has an MS in Electrical Engineering from Virginia Tech and a BS in Electrical Engineering and a BA in Economics from Duke University.


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