spf▌
3 indexed skills · max 10 per page
implementing-dmarc-dkim-spf-email-security
mukul975/Anthropic-Cybersecurity-Skills · implementing-dmarc-dkim-spf-email-security
SPF, DKIM, and DMARC form the three pillars of email authentication. Together they prevent domain spoofing, validate message integrity, and define policies for handling unauthenticated mail. Proper im
analyzing-email-headers-for-phishing-investigation
mukul975/Anthropic-Cybersecurity-Skills · analyzing-email-headers-for-phishing-investigation
Parse and analyze email headers to trace the origin of phishing emails, verify sender authenticity, and identify spoofing through SPF, DKIM, and DMARC validation.
performing-dmarc-policy-enforcement-rollout
mukul975/Anthropic-Cybersecurity-Skills · performing-dmarc-policy-enforcement-rollout
Execute a phased DMARC rollout from p=none monitoring through p=quarantine to p=reject enforcement, ensuring all legitimate email sources are authenticated before blocking unauthorized senders.