Engagement scope: M365 tenant posture, device fleet health, endpoint protection, 14-year support history, email authentication (SPF/DKIM/DMARC/DANE/CAA/DNSSEC/BIMI), domain & certificate estate, MITRE ATT&CK mapping, 21-framework compliance alignment, Slack operational footprint, and consolidated remediation roadmap.

Primary contact: Matt Conaghan · Construction Control IT
Netier engagement manager: Tom Houston
Ticket reference: #1730255

Data sources: Microsoft Graph (via Lokka), ConnectWise PSA, NinjaOne RMM, Cloudflare DNS-over-HTTPS, live TLS probes, Slack security-channel corpus, pgvector semantic search.