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Exploring Email Security: A Deep Dive into Spoofing
This chapter examines the technical intricacies of email security protocols including SPF, DKIM, and DMARC, and their impact on email verification. It highlights a significant email spoofing incident involving Proofpoint, showcasing how threat actors exploited security configurations to manipulate email authenticity. The discussion also covers the evolution of email filtering and the vulnerabilities introduced with the shift from on-premises to cloud-based systems, emphasizing the need for improved protective measures.