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Technical Notes

Write-ups from deployments we have actually run, organised by section. Specific problems, the reasoning behind the approach, and what it cost to get wrong. Client names are withheld under confidentiality.

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Cybersecurity15 min read

Access control and offboarding

Disabling someone's account is the visible part of offboarding and the smallest part. What survives is the access nobody recorded: certificates, service accounts, shared credentials, and integrations built under a named person's login.

OAuth 2.0MFAActive Directory
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Networking25 min read

Secure remote access architecture

A VPN answers whether someone can reach your network. The question that decides whether you are secure is what they should reach once they are on it, and most remote access designs never ask it.

pfSenseWireGuardIPsecFortinet
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AI & Automation20 min read

AI-powered customer support

Support fails long before AI arrives, and AI applied to a broken support operation produces confident wrong answers faster. What actually determines success: knowledge quality, escalation design, and an honest definition of a resolution.

REST APIWebhooksMCPFreePBX
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