dmarc▌
9 indexed skills · max 10 per page
detecting-business-email-compromise
mukul975/Anthropic-Cybersecurity-Skills · detecting-business-email-compromise
Business Email Compromise (BEC) is a sophisticated fraud scheme where attackers impersonate executives, vendors, or trusted partners to trick employees into transferring funds, sharing sensitive data,
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-malicious-url-with-urlscan
mukul975/Anthropic-Cybersecurity-Skills · analyzing-malicious-url-with-urlscan
URLScan.io is a free service for scanning and analyzing suspicious URLs. It captures screenshots, DOM content, HTTP transactions, JavaScript behavior, and network connections of web pages in an isolat
implementing-email-sandboxing-with-proofpoint
mukul975/Anthropic-Cybersecurity-Skills · implementing-email-sandboxing-with-proofpoint
Email sandboxing detonates suspicious attachments and URLs in isolated environments to detect zero-day malware and evasive phishing payloads. Proofpoint Targeted Attack Protection (TAP) is an industry
implementing-anti-phishing-training-program
mukul975/Anthropic-Cybersecurity-Skills · implementing-anti-phishing-training-program
Security awareness training is the human layer of phishing defense. An effective anti-phishing training program combines regular simulations, interactive learning modules, metric tracking, and positiv
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-phishing-simulation-with-gophish
mukul975/Anthropic-Cybersecurity-Skills · performing-phishing-simulation-with-gophish
GoPhish is an open-source phishing simulation framework used by security teams to conduct authorized phishing awareness campaigns. It provides campaign management, email template creation, landing pag
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.
detecting-spearphishing-with-email-gateway
mukul975/Anthropic-Cybersecurity-Skills · detecting-spearphishing-with-email-gateway
Spearphishing targets specific individuals using personalized, researched content that bypasses generic spam filters. Email security gateways (SEGs) like Microsoft Defender for Office 365, Proofpoint,