tag

dmarc

9 indexed skills · max 10 per page

skills (9)

detecting-business-email-compromise

mukul975/Anthropic-Cybersecurity-Skills · detecting-business-email-compromise

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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

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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

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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

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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

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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

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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

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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

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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

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Spearphishing targets specific individuals using personalized, researched content that bypasses generic spam filters. Email security gateways (SEGs) like Microsoft Defender for Office 365, Proofpoint,