Proofpoint

Reported Context (1)

365 silently overrides DMARC p=reject as oreject when tenants run behind third-party gateways like Proofpoint or Mimecast, with no aggregate report ever capturing the override. Cloudflare DNS Conflict Can Disable DMARC Enforcement During ESP Onboarding

Vendors (2)

Products (4)

Tools (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.