Two phishing campaigns hit Glaztech on 2026-04-17 bypassing MailProtector
via exposed M365 MX record. Spoofed internal senders, forwarded by 8 users.
Fixes applied: removed direct M365 MX, DMARC p=reject, Enhanced Filtering
on inbound connector. 32 messages purged across all affected mailboxes.
Forensic samples + full incident report preserved.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
