Security Log Review Checklist: What IT Support Should Check Every Week

Security Log Review Checklist is important for IT support teams, system administrators, small business IT staff and security-aware professionals. This tutorial gives a practical, defensive approach you can apply in real environments.

Why log review matters

Logs are often the first clue that something suspicious happened. A weekly log review helps small IT teams find risky patterns before they become incidents.

Start with identity logs

Review failed logins, impossible travel, MFA failures, new admin assignments, password resets and disabled security settings.

Check endpoint alerts

Look for malware detections, endpoint protection disabled, repeated crashes, blocked scripts and suspicious PowerShell activity.

Review network and cloud logs

Check firewall denies, VPN access, risky sign-ins, new OAuth app consent, file sharing events and unusual downloads.

Document findings

Record what was checked, what looked suspicious, what was escalated and what action was taken. This helps audits and incident response.

Useful commands or action items

eventvwr.msc
Get-WinEvent -LogName Security -MaxEvents 20
Get-MpThreatDetection
Get-MgAuditLogSignIn
wevtutil qe Security /c:10 /f:text

Practical security checklist

• Document the current state before making changes.
• Prioritize accounts, systems and data with the highest risk.
• Apply one control at a time and monitor the result.
• Train users and IT staff on the process.
• Review the control regularly and improve it over time.

Final thoughts

Cybersecurity improves when teams build simple, repeatable habits. Start with visibility, reduce unnecessary risk and document the process so the whole team can follow it.

Educational note: This tutorial is for defensive learning and awareness. Test changes carefully and do not apply security changes to production systems without approval, backups and proper documentation.