Most vendor documentation omits the edge cases, undocumented gotchas, and 3 AM breaking changes. HardenedHosts documents the exact configurations, PowerShell automations, and post-mortems sysadmins and MSP engineers need in production.
Curated engineering hubs organized by technical focus.
OS lockdowns (Server 2025/2022), Entra ID, CIS STIGs, and SMB/LSASS protections.
Explore Guides →Multi-tenant scripts, PowerShell health checks, RMM automation, and credential isolation.
Explore Runbooks →Real-world outage analyses, obscure firmware bugs, and 3 AM production war stories.
Read Post-Mortems →Freshly verified technical notes and implementation playbooks.
A production-verified hardening runbook stripping unnecessary attack surfaces, configuring SMB signing, auditing LSASS protections, and locking down NTLM without breaking legacy clients.
A blueprint of essential Conditional Access policies that immediately block legacy authentication, enforce phishing-resistant MFA for admins, and isolate risky sign-ins without locking yourself out.
A 3 AM outage investigation: how standard 802.1X re-authentication timers and DHCP option delays caused hundred-node server fleets to get stuck at BitLocker PIN prompts during reboots.
How to automate daily tenant hygiene checks across Exchange Online, Entra ID, and on-premises domain controllers using certificate-based authentication and secure app registrations.
Too many technical blogs prioritize SEO keyword stuffing over actual technical depth. We built HardenedHosts with three strict principles:
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