The Security Standards Every Sysadmin Should Actually Know: NIST, ISO 27001, CIS, OWASP, and MITRE ATT&CK Security work references a specific, small set of standards bodies constantly, in audits, in compliance requirements, and in the hardening... Sep 7, 2026 3 min read Security
AI-Driven SIEM and UEBA: What Sysadmins Need to Know Why traditional rule-based SIEM alerts aren’t enough anymore, what UEBA actually adds, and the platforms (SentinelOne Singularity AI-SIEM, LogPoint) built around this approach. Sep 6, 2026 4 min read AI & ML
Tracing a Domain Compromise: Key Active Directory Logs and Indicators of Compromise to Check First Golden Ticket and DCSync indicators, GPO tampering, AdminSDHolder ACL abuse, SID History injection, and domain controller logon anomalies to check first when AD itself is suspected of compromise. Sep 6, 2026 4 min read Active Directory / Security
How to Investigate a Compromised Exchange Server: A Practical Incident Response Checklist (Exchange 2016/2019) The exact checklist for triaging a suspected Exchange compromise: web shell locations, IIS log indicators, mailbox export/permission abuse, transport rule tampering, and what to preserve before remediating. Sep 6, 2026 4 min read Exchange / Security
September 2025 Exchange Server Hotfix Updates: Features, Fixes, and Installation Guide On September 8, 2025, Microsoft released new Hotfix Updates (HUs) for Microsoft Exchange Server. These updates primarily include fixes for... Dec 14, 2025 4 min read Exchange / Microsoft / Windows Server
How to Disable Concealed User Information for Reports in Microsoft 365 By default, Microsoft 365 hides user, group, and site names in the admin reports, showing generic labels like “User 1”... Dec 14, 2025 3 min read Microsoft
Exchange Server 2016/2019 end of support Exchange Server 2016 and Exchange Server 2019 reached end of support on October 14, 2025. That date matters more than... Dec 14, 2025 3 min read Exchange / Microsoft
Install Windows Updates with PowerShell guide If you’re updating one Windows machine, the Settings GUI is fine. If you manage multiple servers/workstations, PowerShell with the PSWindowsUpdate module gives... Dec 14, 2025 4 min read Microsoft / Windows Server / Windows Update
Enable idle session timeout in Microsoft 365 When a user walks away and leaves a Microsoft 365 web app open in the browser, the session stays live... Dec 14, 2025 4 min read Microsoft
Auditing MFA Registration Across Microsoft 365 with Microsoft Graph PowerShell If you’re still running Get-MsolUser to check MFA status, that module is deprecated and no longer receiving updates, Microsoft has... Dec 13, 2025 3 min read Cloud Computing / Microsoft / Security
