Microsoft Announces A New Email Filtering Service Called Exchange Online Advanced Threat Protection (ATP)

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Microsoft yesterday announced Exchange Online Advanced Threat Protection (ATP), a new email filtering service that provides additional protection against specific types of advanced threats. This service is currently in private preview and is expected to be available this summer as an optional service for Office 365 enterprise customers.

ATP for Exchange Online features:

  • Protection against unknown malware and viruses—Today EOP employs a robust and layered anti-virus protection powered with three different engines against known malware and viruses. ATP extends this protection through a feature called Safe Attachments, which protects against unknown malware and viruses, and provides better zero-day protection to safeguard your messaging system. All messages and attachments that don’t have a known virus/malware signature are routed to a special hypervisor environment, where a behavior analysis is performed using a variety of machine learning and analysis techniques to detect malicious intent. If no suspicious activity is detected, the message is released for delivery to the mailbox.
  • Real time, time-of-click protection against malicious URLs—EOP scans each message in transit in Office 365 and provides time of delivery protection, blocking any malicious hyperlinks in a message. But attackers sometimes try to hide malicious URLs with seemingly safe links that are redirected to unsafe sites by a forwarding service after the message has been received. ATP’s Safe Links feature proactively protects your users if they click such a link. That protection remains every time they click the link, as malicious links are dynamically blocked while good links can be accessed.
  • Rich reporting and URL trace capabilities—ATP also offers rich reporting and tracking capabilities, so you can gain critical insights into who is getting targeted in your organization and the category of attacks you are facing. Reporting and message tracing allows you to investigate messages that have been blocked due to an unknown virus or malware, while the URL trace capability allows you to track individual malicious links in the messages that have been clicked.

Read more about it here.

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