What is the Expert Series?
The ISAUnited Expert Series is a curated collection of cybersecurity technology handbooks explicitly designed for decision-makers and practitioners. Each handbook validates and verifies vendor solutions through detailed, peer-reviewed engineering assessments mapped directly to ISAUnited's Defensible 10 Standards.
Whether you're evaluating a new technology, architecting secure solutions, or implementing cybersecurity tools, these handbooks give you the clear, actionable insights and assurance you need.
The Power of Convergence
Every technology decision demands the strategic alignment of the decision maker, the practitioner, and the vendor. ISAUnited Expert Series combines these roles—converging business goals, engineering feasibility, and security-by-design validation into a unified, defensible outcome.
Why it Matters?
In a cybersecurity landscape crowded with marketing claims and compliance checklists, absolute security must be engineered, not just promised.
The ISAUnited Expert Series converges decision makers, practitioners, and verified vendors around solutions that deliver actual security value:
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Converging for Decision Makers - justify investments with defensible, validated solutions.
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Converging for Practitioners - deploy confidently with architecture-level guidance.
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Converging for Vendors - prove alignment to rigorous Security-by-Design benchmarks.
Who it's For?
The ISAUnited Expert Series converges multiple cybersecurity roles to deliver trusted, defensible solutions:
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Decision Makers: CISOs, procurement specialists, and executives seeking validated, defensible investments and board-ready justification.
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Cyber/IT Practitioners: Architects, engineers, and implementation specialists needing clear, actionable deployment guidance plus peer insights.
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Security Leaders: Decision-makers tasked with safeguarding assets through proven solutions.
How It Works
Every solution included in the series undergoes a 3-Step Validation Process:
1. Architecture Review – Mapped to ISAUnited Defensible 10 Standards
2. Engineering Feasibility – Evaluated for real-world deployment by IT and security practitioners
3. Research Center Approval – Final validation through ISAUnited's peer review and expert signoff
The Books
The First Book:
Attack Surface Defense
ISAUnited Expert Series – Volume 1 (2025)
By Arthur Chavez – Institute of Security Architecture United
Book Description
Attack Surface Defense is the flagship volume in the ISAUnited Expert Series, a quarterly collection of concise, technical cybersecurity handbooks rooted in the Defensible 10 Standards. This inaugural edition delivers an executive-to-engineering view of how organizations can reduce exposure, secure digital entry points, and defend the tech stack from evolving threat vectors.
Through structured guidance and precise segmentation, this handbook provides decision makers, practitioners, and technology vendors with actionable clarity to converge around the external and internal attack surface challenge. It supports Network Security and Cloud Security as its primary Defensible Standards, with additional reference to Vulnerability Management (Configuration Management).
Secure Your Copy
Join the ISAUNITED Expert Series list to be the first to explore and purchase each volume—trusted handbooks that support the advancement of security-by-design.