Applying Security Engineering Principles to Complex Composite Systems

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Presented at GlobalAppSec-DC 2019 by

Neal Ziring

Modern web applications and systems have grown increasing complex in the 18 years since OWASP was founded. Today's systems are composed from many diverse components, employ a wide variety of frameworks and toolkits, and utilize a vast spectrum of hosting models and external services. Secure design and operation for such composite systems requires thoughtful application security engineering principles, attention to interactions among composite system elements, and awareness of dependencies across the system lifecycle. This talk will cover a selection of high-level principles, and illustrate them with reference to a Smart City transit system example.