Verified security briefings, practical guides, and operational playbooks for video, access, IT, identity, networks, and cybersecurity.
Foundational explainers and practical playbooks for common security and technology decisions.
Use the NIST Cybersecurity Framework to organize decisions across governance, protection, detection, response, and recovery.
Open the guide Protect identitiesUnderstand stronger authenticationCompare MFA, passkeys, phishing resistance, and account recovery without treating any one control as a guarantee.
Open the explainer Prepare to recoverTurn backups into tested restorationConnect protected copies, recovery ownership, exercises, and evidence to the services the business actually needs.
Open the checklist Secure connected systemsBuy with the full lifecycle in mindAsk better questions about identity, configuration, updates, support, security state, and end-of-life before deployment.
Open the guideDSE articles identify a primary reference, its publication date when available, and the date our editorial team last reviewed the guidance. Source facts and DSE recommendations are labeled separately.
Every count below is drawn from the governed DSE library.
CISA Update A revises critical guidance for Johnson Controls C-CURE 9000 and victor. Review CVE-2026-21655, adjacent-network exposure on port 8999, affected versions, fixed releases, and temporary mitigations.
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A public, read-only knowledge hub where DSE turns selected, source-backed physical security, IT, and cybersecurity developments into practical guidance.
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Use Monitoring Active Directory for Signs of Compromise to review this narrow operational decision without extending the source beyond its stated scope.
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Use Attractive Accounts for Credential Theft to review this narrow operational decision without extending the source beyond its stated scope.
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Use Verify DNS Functionality to Support Directory Replication to review this narrow operational decision without extending the source beyond its stated scope.
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Use Securing Domain Controllers Against Attack to review this narrow operational decision without extending the source beyond its stated scope.
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Use System Audit Policy recommendations to review this narrow operational decision without extending the source beyond its stated scope.
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Use Best practices for securing Active Directory to review this narrow operational decision without extending the source beyond its stated scope.
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Use Replication error 1753 There are no more endpoints available from the endpoint mapper to review this narrow operational decision without extending the source beyond its stated scope.
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Use Maintaining a More Secure Environment to review this narrow operational decision without extending the source beyond its stated scope.
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