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Microsoft Office 365 Advanced Threat Protection (ATP) 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. ATP has rich reporting and URL trace capabilities that give administrators insight into the kind of attacks happening in your organization.
The following are the primary ways you can use ATP for message protection:
- In an Office 365 ATP filtering-only scenario, ATP provides cloud-based email protection for your on-premises Exchange Server environment or any other on-premises SMTP email solution.
- Office 365 ATP can be enabled to protect Exchange Online cloud-hosted mailboxes. To learn more about Exchange Online, see the Exchange Online service description.
- In a hybrid deployment, ATP can be configured to protect your messaging environment and control mail routing when you have a mix of on-premises and cloud mailboxes with Exchange Online Protection for inbound email filtering.
Office 365 Advanced Threat Protection (ATP) availability
ATP is included in Office 365 Enterprise E5, Office 365 Education A5, and Microsoft 365 Business.
You can add ATP to the following Exchange and Office 365 subscription plans:
- Exchange Online Plan 1
- Exchange Online Plan 2
- Exchange Online Kiosk
- Exchange Online Protection
- Office 365 Business Essentials
- Office 365 Business Premium
- Office 365 Enterprise E1
- Office 365 Enterprise E3
- Office 365 Enterprise F1
- Office 365 A1
- Office 365 A3
To buy Office 365 Advanced Threat Protection, see Office 365 Advanced Threat Protection.
To compare features across plans, see Compare Office 365 for Business plans and Discover the Microsoft 365 Enterprise solution that’s right for you.
What’s new in Office 365 Advanced Threat Protection (ATP)
We are continuing to add new features to Office 365 ATP. To learn more about new features coming to ATP (or Microsoft 365 in general), see the following resources:
Requirements for Office 365 Advanced Threat Protection (ATP)
ATP can be used with any SMTP mail transfer agent, such as Microsoft Exchange Server. For information about the operating systems, web browsers, and languages that are supported by ATP, see the “Supported browsers” and “Supported languages” sections in Exchange Admin Center in Exchange Online Protection.
Feature availability across Advanced Threat Protection (ATP) plans
Each feature is listed below. When Exchange Online is mentioned, it typically refers to the Office 365 Enterprise service family.
|Feature||ATP Plan 1|
(formerly ATP standalone)
|ATP Plan 2|
(formerly Threat Intelligence
|Office 365 Enterprise E5|
|Configuration, protection, and detection|
|Safe Attachments in Teams||Yes||Yes||Yes|
|Safe Links in Teams||No||No||No|
|ATP for SharePoint, OneDrive and Microsoft Teams||Yes||Yes||Yes|
|Automation, investigation, remediation, and education|
|Explorer (advanced threat investigation)||No||Yes||Yes|
|Automated incident response||No||Yes||Yes|
Advanced Threat Protection (ATP) capabilities
ATP Safe Attachments protects against unknown malware and viruses and provides 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 environment where ATP uses 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.
ATP Safe Attachments scanning takes place in the same region where your Office 365 data resides. For more information about data center geography, see Where is your data located?
The ATP Safe Links feature proactively protects your users from malicious URLs in a message or in an Office document. The protection remains every time they select the link, as malicious links are dynamically blocked while good links can be accessed.
Safe Links is available for URLs in the following apps:
- Office 365 ProPlus on Windows or Mac
- Office for the web (Word for the web, Excel for the web, PowerPoint for the web, and OneNote for the web)
- Word, Excel, PowerPoint, and Visio on Windows, as well as Office apps on iOS and Android devices
Users must be licensed for ATP*, must be included in ATP Safe Links policies, and must be signed in on their devices for protection to be in place.
* For organization-wide ATP licenses (for example, ATP_ENTERPRISE_FACULTY), you don’t need to assign ATP licenses to individual users.
For more information about ATP Safe Links protection, see How ATP Safe Links works with URLs in Office documents.
ATP for SharePoint, OneDrive, and Microsoft Teams
ATP for SharePoint, OneDrive, and Microsoft Teams helps detect and block files that are identified as malicious in team sites and document libraries.
ATP anti-phishing checks incoming messages for indicators that a message might be a phishing attempt. When users are covered by ATP policies (Safe Attachments, Safe Links, or anti-phishing), incoming messages are evaluated by multiple machine learning models that analyze messages and the appropriate action is taken, based on the configured policies.
Monitoring capabilities available in the Office 365 Security & Compliance Center include real-time reports and insights that let your security and compliance administrators focus on high-priority issues, such as security attacks or increased suspicious activity. In addition to highlighting problem areas, smart reports and insights include recommendations and links to view and explore data and also take quick actions.
Threat Trackers are informative widgets and views that provide authorized users with intelligence on cybersecurity issues that might impact your organization.
Explorer (also referred to as Threat Explorer) is a real-time report that lets authorized users identify and analyze recent threats. By default, this report shows data for the past 7 days; however, views can be modified to show data for the past 30 days.
For more information about Explorer (in Office 365 Advanced Threat Protection Plan 2) and real-time detections (in Office 365 Advanced Threat Protection Plan 1), see Threat Explorer (and real-time detections).
Automated incident response
Automated incident response (AIR) capabilities available in Office 365 ATP Plan 2 enable you to run automated investigation processes in response to well-known threats that exist today. By automated certain investigation tasks, your security operations team can operate more efficiently and effectively. Remediation actions, such as deleting malicious email messages, are taken upon approval by your security operations team. To learn more, see How AIR works in Office 365.
Attack Simulator lets authorized users run realistic attack scenarios in your organization. Several different kinds of attacks are available, including a display name spear-phishing attack, a password-spray attack, and a brute-force password attack.