M365/Exchange/Teams

Baseline – M365 (Light)
Baseline – M365 (Light) 
 
 MFA/CA Policies, sichere Adminrollen, Audit‑Logs 
 E‑Mail: Anti‑Phishing/Spam, DLP/Retention (falls lizenziert)

E‑Mail Security (SPF/DKIM/DMARC)
E‑Mail Security (SPF/DKIM/DMARC) 
 
 SPF‑Record restriktiv, DKIM aktiv, DMARC „quarantine/reject“ nach Monitoring‑Phase