Email is the #1 breach vector in enterprise cyber incidents.

Domain impersonation, BEC, and phishing account for the majority of successful attacks on Fortune 500 firms. DMARC enforcement shuts the door.

91%

attacks begin with email

$4.9M

avg. phishing breach cost

95%

reduction · p=reject

Global Deliverability · Enforced

Mailbox providers now reject unauthenticated mail by default.

Gmail, Yahoo, Microsoft, Apple, and Yahoo Japan — routing 5 billion+ inboxes — require verified DMARC. Without it, deliverability collapses overnight.

Mailbox Providers · Global 2026 Tightening

Bulk Sender Authentication

Gmail and Yahoo extend enforcement below the 5K/day threshold. Microsoft Outlook deploys matching policy. No grace period.

Regulatory Penalty · Enforced

NIS2 is live — penalties now issued across 27 member states.

Essential entities face fines up to €10M or 2% of global revenue. Email authentication is explicit audit scope for critical infrastructure, finance, healthcare, and digital providers.

European Union 2026 Enforced

NIS2 Directive · Active Penalties

Transposed by all 27 member states. First material fines issued Q4 2025. Email authentication within critical infrastructure audit scope.

Industry Compliance · Mandatory

PCI DSS 4.0 — every card processor, globally, now in scope.

All future-dated requirements became mandatory 31 March 2025. Acquirer audits verify anti-phishing controls, including DMARC, SPF, and DKIM alignment.

PCI Security Council 2025 → Mandatory

PCI DSS 4.0 · All Requirements Live

Anti-phishing controls including DMARC required under Req. 5.4.1. Acquirer audits in full swing across card processors worldwide.