Certificate Lifecycle Management for Mid-Market Teams
The five stages of certificate lifecycle management, what each costs, and honest thresholds for when a spreadsheet, a script or a platform is right.
The 47-Day Certificate: the Full TLS Lifespan Timeline (and What It Means for You)
Every step in the TLS certificate lifespan reduction: 200 days now, 100 in 2027, 47 in 2029 — with the renewal maths and what breaks first in your estate.
Certificate Pinning Explained: How It Works and When It Breaks
What certificate pinning does, why HPKP failed, how it breaks TLS inspection, and when SPKI pinning is still worth it — a guide for IT and security teams.
End-of-Life Systems Under NIS2: What Your Duty of Care Actually Requires
NIS2 doesn’t ban end-of-life systems, it bans unmanaged ones. The defensible process: inventory, risk assessment, compensating controls and documentation.
WatchGuard End-of-Life: Firebox Timelines and Your Migration Options
Every WatchGuard Firebox end-of-life date in one table: what stops working at EOS and EOL, the security record, and your options beyond the next box.
Running Windows Server 2016 After End of Support: the Defensible Plan
Can’t migrate off Windows Server 2016 before January 2027? The honest guide to ESU costs, compensating controls and ZTNA isolation that auditors accept.
Windows Server End-of-Life Dates: the 2012–2025 Timeline and What to Do per Version
All Windows Server end-of-life dates in one timeline: 2012, 2016, 2019, 2022 and 2025, plus ESU costs and your realistic options before January 2027.
FortiGate Hardware End-of-Life: Every Model, Every Date (2026–2031)
Every FortiGate hardware end-of-life date in one sortable reference: EOO, LSED and EOS per model, plus what to do when your appliance’s date nears.
Windows 10 ESU Endpoints: How to Isolate the Machines You Can’t Patch
Windows 10 ESU doubles to ±€112 per device on 14 October 2026. The cost maths for a 200-device fleet, 5 device classes, and the agentless alternative.
