Packt Expert
Derek Fisher
Derek Fisher has nearly 30 years of experience in cybersecurity and engineering across finance, healthcare, military, and commercial sectors. He advises academic programs, teaches software security, and is active in cybersecurity education and mentorship.
6 Courses by Derek Fisher
Application Security Program Ignition Guide
A guide for software engineers and team leaders
Discover how to build a strong application security program that goes beyond just protecting code. Learn to coordinate people, processes, and technology to manage risks throughout the software development life cycle. Gain practical strategies for integrating security into your workflow and measuring its effectiveness.
Packt | 2023 | 292 min
CISSP Crash Course
Mastering Cybersecurity: Security, Risk, and Compliance
Gain practical expertise in security and risk management by exploring governance, compliance, asset security, network defense, identity management, and secure software development. Build a solid foundation for protecting enterprise environments and designing resilient cybersecurity strategies.
Packt | 2023 | 462 min
Fundamentals of Secure Software
The Complete Guide to Application Security and Secure SDLC Practices
Explore the essentials of application security and learn how to build safer software from the ground up. You'll discover practical ways to protect your applications from common threats and understand how to weave security into every stage of development. By the end, you'll be ready to tackle real-world security challenges with confidence.
Packt | 2022 | 709 min
Modelling Threats - Strategies in Threat Modelling
Securing Cybersecurity Systems from Design to Deployment with Modern Threat Modeling
Explore practical threat modeling techniques to spot, prioritize, and reduce cybersecurity risks. Learn how to use proven frameworks and tools to secure systems from the earliest design stages through deployment. Build hands-on skills that help you protect your organization's digital assets.
Packt | 2025 | 185 min
Secure AI by Design - Frameworks for GenAI and Agentic Systems
Build resilient AI systems with proven risk management and compliance strategies.
Explore how to secure generative AI and agentic systems using trusted frameworks like NIST AI RMF, OWASP LLMSecOps, and MITRE ATLAS. Gain practical strategies for embedding governance, compliance, and robust security practices into every stage of AI development.
Packt | 2026 | 328 min
Threat Modeling Best Practices
Proven frameworks and practical techniques to secure modern systems
Learn how to spot and address security risks before they become problems by applying proven threat modeling frameworks and practical techniques. Explore how to use modern tools and AI-driven methods to secure complex systems and integrate these practices into your development process.
Packt | 2025 | 322 min