Microsoft Defender for Office 365 Plan 1 - subscription license (1 month) - 1 license

Microsoft Defender for Office 365 is a cloud-based email filtering service that helps protect your organization against unknown malware and viruses by providing robust zero-day protection, and includes features to safeguard your organization from harmful links in real time. Defender for Office 365 has rich reporting and URL trace capabilities that give administrators insight into the kind of attacks happening in your organization.