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Cybersecurity Assessment Scope: A Buyer’s Evidence Checklist
Define the decisions, service boundaries, evidence, testing depth and deliverables that turn a cybersecurity assessment into an actionable plan.
ArticleFirewall change planning with a tested rollback
A practical change-window method that separates validation, implementation, verification, and rollback before production traffic is at risk.
ArticleFirewall Rule Review: A Checklist That Produces Defensible Change
A firewall rule review that produces defensible change: what to collect, how to judge a rule, and how to retire one without an outage.
ArticleNetwork Segmentation for SMBs: A Minimum-Viable Architecture That Can Grow
A staged segmentation design for small and midsized businesses that contains compromise without creating an unmanageable firewall-rule maze.
ArticlePatch management for small businesses: a routine that holds
Patching rarely fails for lack of tools. It fails when nobody owns it. A monthly update routine, an emergency lane and proof that the patches landed.
Resource librarySecurity and infrastructure resource library
Browse HAI Consulting field guides, learning paths, templates and diagnostic tools by topic, technology or format.
ArticleTeams Phone migration: what to settle before you port your numbers
Moving office calling into Microsoft Teams? The four decisions to settle first: carrier model, network, emergency calling and number porting.