AI security framework: a practical operating model
Build an AI security framework that connects governance, model and data risk, application controls, monitoring and accountable decisions.
Read the guide →Updated 15 August 2026
Field notes for people responsible for risk.
Short, practical guidance for security leaders, engineers and operators. Where a note relies on external research, the primary source is linked inside the article.
New: Security Architecture Series
30 practical guides covering AI security, cloud and network architecture, security operations, CTO governance and cybersecurity careers.
How to implement the NIST AI RMF without creating shelfware
Turn the NIST AI RMF functions—Govern, Map, Measure and Manage—into an operating rhythm for product and security teams.
Read the guide →A secure AI development lifecycle from idea to retirement
Embed AI threat modelling, data controls, evaluations, release evidence, runtime monitoring and retirement into the product lifecycle.
Read the guide →Threat modelling an LLM application: the complete system view
Threat model an LLM application across users, prompts, retrieval, model providers, tools, output handling and operational controls.
Read the guide →Access control architecture for AI agents
Design identity, permissions, approval gates, tool boundaries and audit evidence for AI agents that can take actions.
Read the guide →Secure cloud architecture: a practical blueprint
Design a secure cloud architecture around identity, accounts, network zones, workloads, data, logging, resilience and shared responsibility.
Read the guide →Designing a secure cloud landing zone
Create a cloud landing zone with account separation, federated identity, policy guardrails, network services, logging and an operating model.
Read the guide →Identity architecture for hybrid and multi-cloud environments
Unify workforce, workload and privileged identity across on-premises and multiple clouds without creating a universal administrator.
Read the guide →Cloud security logging architecture that responders can use
Design cloud logging around investigation questions, protected collection, normalised context, detection ownership and sustainable retention.
Read the guide →Design cloud backup and recovery for a real cyber incident
Build isolated backups, recovery identities, clean restore procedures and business-tested recovery evidence for cloud services.
Read the guide →Types of cybersecurity: a complete practical guide
Understand the major types of cybersecurity, what each protects, the controls it uses and how the disciplines work together.
Read the guide →Network security types and controls: what each one actually does
A clear guide to perimeter, segmentation, access, DNS, email, wireless, cloud network, monitoring and zero trust controls.
Read the guide →An enterprise network segmentation blueprint
Plan network zones, conduits, management access, cloud connections, third parties and validation without breaking the business.
Read the guide →A zero trust implementation roadmap that starts with real services
Move from zero trust principles to service inventory, identity, device, policy, segmentation, telemetry and measured rollout.
Read the guide →API security architecture from edge to data
Design API discovery, authentication, authorization, validation, rate limits, service identity, logging and lifecycle controls.
Read the guide →How to build a cybersecurity team: a practical hiring plan
Plan cybersecurity recruitment around business outcomes, operating responsibilities, role combinations, seniority and provider support.
Read the guide →Cybersecurity organisation chart: teams, ownership and handoffs
Design a cybersecurity organisation across leadership, governance, architecture, engineering, operations, identity, resilience and assurance.
Read the guide →The CTO security operating model: turning accountability into practice
A practical security operating model for CTOs covering ownership, engineering standards, risk decisions, resilience and executive reporting.
Read the guide →The first ten cybersecurity hires: roles and sequence
A flexible sequence for the first ten security hires across leadership, product, cloud, operations, GRC, identity and detection.
Read the guide →Build a cybersecurity skills matrix people will actually use
Create a cybersecurity skills matrix based on real work, proficiency evidence, career paths and team resilience rather than certificates alone.
Read the guide →Security operations: an operating model beyond alert queues
Build security operations around detection, triage, investigation, containment, engineering, threat context and measurable service outcomes.
Read the guide →How to design a modern SOC: people, process and technology
Design an internal, outsourced or co-managed SOC with clear scope, roles, telemetry, case flow, response authority and quality measures.
Read the guide →Incident response command structure for technical and business teams
Define incident command, technical leads, communications, legal support, business decisions and recovery ownership before a crisis.
Read the guide →The detection engineering lifecycle: from threat idea to trusted signal
Create, test, deploy, tune and retire security detections with threat hypotheses, data contracts, runbooks and measurable quality.
Read the guide →Security metrics a CTO and board can actually use
Report cyber risk through service exposure, control evidence, detection, response, recovery and accountable decisions—not vanity counts.
Read the guide →Security governance with NIST CSF 2.0: making Govern operational
Use the NIST CSF 2.0 Govern function to align risk appetite, roles, policy, supply chain and oversight with security operations.
Read the guide →A security architecture review process engineers will use
Create tiered security architecture reviews with early engagement, threat modelling, clear decisions, evidence and reusable patterns.
Read the guide →Third-party security: an operating model from selection to exit
Manage supplier security through service criticality, due diligence, contract controls, access, monitoring, incidents and exit planning.
Read the guide →Run a cybersecurity risk assessment workshop that produces decisions
Facilitate a focused cyber risk workshop using business services, threat scenarios, control evidence, ownership and treatment decisions.
Read the guide →How to run a cybersecurity tabletop exercise that changes readiness
Design and facilitate cyber tabletop exercises with realistic injects, decision pressure, clear objectives and accountable improvements.
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What the 2026 breach data changes about vulnerability priorities
Why exploit-driven access, ransomware and third-party exposure deserve a different operating rhythm.
Read the field note →OWASP Top 10:2025—what engineering leaders should do next
Translate the updated awareness list into backlog, design and supply-chain decisions.
Read the field note →A practical control map for agentic AI systems
Identity boundaries, tool permissions, evidence, monitoring and human approval.
Read the field note →Ransomware protection: five controls to verify this quarter
A focused check across exposure, identity, recovery and response.
Read the guide →Build a vulnerability lifecycle people will actually follow
From discovery and validation to ownership, remediation and closure.
Read the guide →Cloud security fundamentals across AWS, Azure and GCP
Identity, visibility, configuration, data boundaries and response readiness.
Read the guide →Privileged access management without operational gridlock
Control high-impact accounts while preserving usable workflows.
Read the guide →What a modern penetration test should include
Scope, rules of engagement, evidence and outcomes beyond a scanner report.
Read the guide →Zero trust as an operating model—not a product category
A phased implementation path built around identity and verification.
Read the guide →Endpoint security: the controls behind the console
Coverage, tamper resistance, telemetry and response capability.
Read the guide →A practical PCI DSS readiness checklist
Evidence, scoping and control ownership for technology teams.
Read the checklist →HIPAA security questions for technology suppliers
Where product, cloud and operational responsibilities meet.
Read the guide →Cloud-native security, explained without the buzzwords
A direct guide to workloads, identities, pipelines and runtime risk.
Read the guide →Network segmentation patterns that reduce blast radius
Practical boundaries, validation and exception management.
Read the guide →Adversarial machine learning: a usable starting point
Threats to models, data, interfaces and the systems around them.
Read the analysis →Security awareness that respects the workforce
Train for realistic decisions instead of measuring blame.
Read the guide →What 24/7 monitoring should deliver to the business
Coverage, escalation, evidence and outcomes for managed security.
Read the guide →Connect data security, compliance and operational risk
A governance model that keeps evidence close to the work.
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