Page 13 of the DSE IT knowledge center, with source-backed guidance and practical next steps.
Production-minded guidance for endpoints, servers, updates, cloud services, administration, and supportable operations.
Windows devices can keep booting after the 2011 Secure Boot certificates expire yet miss future early-boot protections. Inventory status, update OEM firmware, pilot by hardware family, and verify the 2023 trust chain with evidence.
Read the playbook
Microsoft now plans to disable SMTP AUTH Basic authentication by default for existing Exchange Online tenants at the end of December 2026. Find every sender, choose a supported replacement, pilot it, and prove the legacy path is quiet.
Read the playbook
SMB over QUIC protects Windows file access with TLS 1.3 over UDP 443, but Windows clients can still prefer TCP and external authentication can fall back to NTLM. Prove transport, identity, certificates, and renewal before production.
Read the checklist
Kubernetes Pod Security Admission can enforce privileged, baseline, or restricted profiles by namespace while audit and warn modes expose violations first. Govern labels, policy versions, exemptions, and controller-created Pods as one system.
Read the playbook
GitHub Actions can exchange a GitHub-issued OIDC token for a short-lived cloud credential instead of storing a long-lived key. The security gain depends on strict trust claims, least-privilege cloud roles, protected environments, and tested revocation.
Read the guide
Azure Policy exemptions preserve compliance visibility while recording a Mitigated or Waiver decision, but expiration is optional and the object remains after expiry. Treat each exemption as a governed, time-bound risk record.
Read the checklist
Cloud optimization requests fail when spend cannot be tied to an accountable product, service, environment, or owner. Build allocation rules, metadata compliance, and explicit shared-cost treatment before setting savings targets.
Read the playbook
Terraform state binds configuration to real infrastructure and can contain sensitive data. A team needs controlled remote storage, supported locking, restricted access, serialized changes, versioned recovery, and a tested process for failed writes.
Read the checklist
An approved Azure Private Endpoint can still fail when clients resolve the public address or a private zone returns NXDOMAIN. Design service-specific zones, VNet links, hybrid forwarding, fallback, ownership, and tests before deployment.
Read the guide
VPN, overlay, encapsulation, and cloud paths can carry less payload than an endpoint interface suggests. Validate bidirectional Path MTU, ICMP behavior, transport adaptation, and representative applications before intermittent stalls reach production.
Read the playbook