What email spoofing is
Email spoofing involves manipulating sender information so a message appears to come from a trusted person, organization or domain. It is commonly used to make phishing and payment-fraud messages more convincing.
Why it can be effective
Recipients often make quick trust decisions based on the sender name, domain and context of a message. Weak email authentication, lookalike domains and poor verification processes can make impersonation attacks more effective.
Technical controls
SPF, DKIM and DMARC are important domain-level controls. Secure mail gateways, anti-phishing protections, DNS monitoring and appropriate account security controls can provide additional layers of defense.
Operational controls
Organizations should also establish verification procedures for sensitive requests, especially payment instructions, bank-detail changes, password resets and requests involving confidential information.
Test and improve
Email security assessments can help identify authentication gaps, risky configurations and opportunities to strengthen the organization’s defenses against impersonation and phishing.