Summary

To wrap up, establishing anti-phishing rules, enhancing email verification, and applying strict outbound spam guidelines in EOP and Defender for Office 365 are indispensable measures for safeguarding a company’s communication channels. This thorough strategy spans from crafting detailed anti-phishing measures that use cutting-edge machine learning to spot and stop fraudulent emails, to setting up solid email verification protocols such as SPF, DKIM, and DMARC, significantly reducing vulnerabilities. Moreover, the introduction of outbound spam rules fortifies this protective framework, ensuring the company does not inadvertently serve as a spam distributor, thus preserving its standing. The combination of these measures forms a robust defense system crucial for securing confidential data and upholding the trust and dependability of the company’s email interactions.

As we move forward, the subsequent chapter will investigate the domain of malware, introducing...