Active Directory and Windows Management

• ADSecurity.org
• AD FS Help
• ADMX Help
• DC Diagnostics Guide
• Group Policy Best Practices
• Map Network Drives with Group Policy
• Use RSOP to Check Group Policy Settings
• AD Explorer (Sysinternals)
• How to Hybrid Join Devices
• Active Directory Pro

DNS and Domain Management

• DNS Spy
• DNSDumpster
• SPF Survey (DMARCian)
• Determine if you DNS requests are being leaked which may represent a critical privacy threat

Security Threats and Monitoring

• FortiGuard Threat Map
• Talos Intelligence
• Check Point Threat Map
• Kaspersky Cybermap
• NETSCOUT Horizon
• SonicWall Threat Map
• Threat Butt Map
• Bitdefender Threat Map
• Radware Live Threat Map
• Digital Attack Map
• ThousandEyes Outages

Cybersecurity Tools and Resources

• Exploit Database
• DiagramGPT
• Hackers Arise (OSINT Tools)
• Pastebin Tools
• Winitor
• BlackArch Recon Tools
• NetTools
• MHA (Microsoft Health Analytics)
• Difenda
• Antiscan
• Shodan
• Censys

System and Network Performance

• UserBenchmark
• Microsoft Office Cheat Sheets
• Akamai GNet
• Microsoft Connectivity Test (EXO)
• Microsoft Connectivity Test (Exchange)

Troubleshooting and Diagnostics

• Blue Screen Error Troubleshooting
• Blue Screen Data
• Disable Weak Protocols and Cipher Suites
• Resplendence Tools
• OBS Project
• Domain Controller Health Check
• Microsoft Tools Download
• gHacks

Phishing E-Mail Analysis Tools

• URL / IP Reputation Check
• File / Attachment Analysis
• Phishing Analysis Tool
• Whois Record
• Email Header Analysis