admin_hub

sysop@hub:~/cheat-sheets/admin-links$

admin-links

The links an admin keeps in the bookmarks bar: portals, diagnostics, vulnerability sources and checkers. Filter by name or topic.

microsoft admin portals

Microsoft 365 admin center

Users, licenses, domains and service health.

Microsoft Entra admin center

Identity, Conditional Access, sign-in logs and app registrations.

Intune admin center

Device management, compliance and app deployment.

Microsoft Defender portal

Incidents, advanced hunting, Defender for Endpoint and Office 365.

Microsoft Purview portal

Audit log, data loss prevention, retention and eDiscovery.

Exchange admin center

Mailboxes, mail flow and message trace.

Teams admin center

Teams policies, voice and meeting settings.

Azure portal

Azure resources, subscriptions and role assignments.

Power Platform admin center

Environments and data policies for Power Apps and Power Automate.

My Sign-Ins

Where users manage security info and review sign-in activity.

My Apps

Apps assigned to a user.

microsoft diagnostics and documentation

Microsoft Graph Explorer

Try Microsoft Graph API calls in the browser.

Remote Connectivity Analyzer

Test Exchange, Outlook and Microsoft 365 connectivity and mail flow.

Message Header Analyzer

Microsoft's tool for reading email headers.

MSRC Update Guide

Security updates and CVEs for Microsoft products.

License and service plan reference

Official list of SKU names, GUIDs and service plans.

Microsoft Learn

Official documentation and training.

Microsoft 365 roadmap

Upcoming and rolling-out features.

Sysinternals

Process Explorer, Autoruns and other troubleshooting tools.

vulnerabilities and threat intelligence

CISA Known Exploited Vulnerabilities

Vulnerabilities that are exploited in the wild.

National Vulnerability Database

Details and scores for CVEs.

CVE program

The CVE identifier system.

MITRE ATT&CK

Attacker tactics and techniques.

Have I Been Pwned

Check accounts and domains against known breaches.

VirusTotal

Scan files, URLs and hashes.

CIS Benchmarks

Hardening guides for operating systems and services.

OWASP Top 10

The most common web application risks.

web, dns and tls checks

SSL Labs Server Test

Grades the TLS configuration of a public server.

Security Headers

Checks HTTP security headers of a site.

MXToolbox

DNS, mail and blocklist lookups.

crt.sh

Search certificate transparency logs.

handy tools

CyberChef

Encode, decode and analyze data in the browser.

regex101

Build and test regular expressions.

crontab guru

Explains cron expressions.

ExplainShell

Explains what a shell command does.

Wireshark

Network protocol analyzer.

External links lead to the original sites. admin_hub is not affiliated with them.