Email Authentication In 2026: What Every Organization Still Gets Wrong
SC Media, Monday, March 30th, 2026
Despite decades of efforts to the contrary, email remains one of the primary means of entry for cyberattacks, with vectors ranging from phishing to business email compromise (BEC). Verizon's 2025 Data Breach Investigations Report shows that most breaches still involve a human element, such as account credentials stolen through phishing.
More than a decade ago, strong protocols and tools designed to stop email spoofing and impersonation became widely available. Yet most organizations still haven't implemented these controls.
Today, the gap between awareness and action has become untenable. With mailbox providers like Google and Microsoft tightening sender requirements and government regulators demanding greater security measures, 2026 is the year when "good enough" email security is no longer good enough. The fundamentals - SPF, DKIM, and/or DMARC - must be correctly deployed and fully enforced.