-To access shared mailbox information, change the drop-down selection at the top right of the charts to **Shared**. If your tenant does not have shared mailboxes, you will not be able to view any shared mailbox information. Also note that if youΓÇÖve opted to view shared charts, currently you will not be able to export the chart information. This is a known issue and will be corrected in a future iteration.

-The **Mailbox** chart shows you the total number of user or shared mailboxes in your organization, and the total number that are active on any given day of the reporting period. A user or shared mailbox is considered active if it had an email send, read, create appointment, send meeting, accept meeting, decline meeting and cancel meeting activity.

-You can also export the report data into an Excel .csv file, by selecting the **Export** link.

-description: "Best practices to protect your business from ransomware, phishing, and malicious URLs or attachments."

-# Top 10 ways to secure your business - Best practices to follow

-Microsoft 365 for business plans include security capabilities, such as antiphishing, antispam, and antimalware protection. Microsoft 365 Business Premium includes even more capabilities, such as device security, advanced threat protection, and information protection. This article describes how to secure your business, and [compares capabilities across Microsoft 365 for business plans](#comparing-microsoft-365-for-business-plans).

-# Trial playbook: Microsoft 365 Business Premium

-Welcome to the Microsoft Business Premium trial playbook! This playbook will help you make the most of your 30-day free trial. You can see firsthand how Microsoft 365 Business Premium increases productivity and helps safeguard your organization with advanced security capabilities. Use this playbook to set up your threat protection features, analyze detected threats, and respond to cyberattacks.

-> Save this playbook to your browser favorites. When links in the playbook take you away from this location, it'll be easier to return to this playbook to continue.

-:: moniker range="o365-worldwide"

-:: moniker range="o365-worldwide"

-> This option is gradually rolling out in preview and is subject to change.

-Recipients of encrypted messages who receive encrypted or rights-protected mail sent to their Outlook.com, Gmail, and Yahoo accounts receive a wrapper mail that directs them to the encrypted message portal where they can easily authenticate using a Microsoft account, Gmail, or Yahoo credentials.

-As explained in the next section, retention labels have another option; to apply another retention label with its own retention period.

-|[Let users assign permissions: <br /> - Prompt users for custom permissions (users, groups, and organizations)](encryption-sensitivity-labels.md#let-users-assign-permissions) |Preview: Rolling out to [Beta Channel](https://office.com/insider) | Under review | Under review | Under review | Under review |

-|[Apply S/MIME protection](#configure-a-label-to-apply-smime-protection-in-outlook) | Preview: Rolling out to [Beta Channel](https://office.com/insider) | Rolling out: 16.61+ ^\* | Rolling out: 4.2226+ | Rolling out: 4.2203+ | Under review |

-> This capability is currently rolling out for built-in labeling. Identify the minimum versions of Outlook that support this feature by using the [capabilities table for Outlook](#sensitivity-label-capabilities-in-outlook) on this page, and the row **Apply S/MIME protection**.

-Sublabels are simply a way to present labels to users in logical groups. Sublabels don't inherit any settings from their parent label. When you publish a sublabel for a user, that user can then apply that sublabel to content and containers, but can't apply just the parent label.

-The patterns are designed to match actual credentials with reasonable confidence. The patterns do not match credentials formatted as examples. Mockup values, redacted values, and placeholders, like credential type or usage descriptions, in the position where an actual secret value should present will not be matched.

-The patterns are designed to match actual credentials with reasonable confidence. The patterns do not match credentials formatted as examples. Mockup values, redacted values, and placeholders, like credential type or usage descriptions, in the position where an actual secret value should present will not be matched.

-A combination of 43 characters consisting of letters, digits, and special characters ending in an equals (=) sign that is not part of the pattern.

-The patterns are designed to match actual credentials with reasonable confidence. The patterns do not match credentials formatted as examples. Mockup values, redacted values, and placeholders, like credential type or usage descriptions, in the position where an actual secret value should present will not be matched.

-A combination of 3 characters:

-A combination of 3 characters:

-The patterns are designed to match actual credentials with reasonable confidence. The patterns do not match credentials formatted as examples. Mockup values, redacted values, and placeholders, like credential type or usage descriptions, in the position where an actual secret value should present will not be matched.

-Medium

-ms.search: M365-security-compliance

-If you're a Microsoft Cloud Solution Provider (CSP) and you have [Microsoft 365 Lighthouse](../../lighthouse/m365-lighthouse-overview.md), you can manage security for your customers (small and medium-sized businesses). Microsoft Defender for Business is designed to integrate with Microsoft 365 Lighthouse, so that you can view security incidents across tenants in your Microsoft 365 Lighthouse portal ([https://lighthouse.microsoft.com](https://lighthouse.microsoft.com)).

-To access the list of incidents, in Microsoft 365 Lighthouse, on the home page, find the **Security incidents** card, and then select **View all incidents**.

-Microsoft 365 Lighthouse enables Microsoft CSPs to secure and manage devices, data, and users at scale for customers who are using one of the following subscriptions:

-To learn more, see [Overview of Microsoft 365 Lighthouse](../../lighthouse/m365-lighthouse-overview.md).

-description: Microsoft partners like managed service providers and cloud service providers can integrate remote monitoring and management (RMM) tools and professional service automation (PSA) software with Defender for Business and Microsoft 365 Lighthouse.

-# Microsoft Defender for Business and Microsoft partner resources

-Microsoft provides resources, programs, and tools that empower Microsoft partners to enable their customers to succeed. This article provides an overview of resources that are available for Microsoft partners who serve customers using [Defender for Business](mdb-overview.md) or [Microsoft 365 Business Premium](../../business-premium/index.md).

-## Resources for Microsoft managed service providers to build cybersecurity capabilities

-Most managed service providers (MSPs) offer a sophisticated stack of capabilities. For example, many MSPs offer software and services that include backup & recovery, network management, line of business apps, and cybersecurity capabilities. Small and medium-sized businesses recognize security as a key component to their success, but often don't have the capacity or expertise to have a dedicated security operations team. These customers often need help with managing the security of their endpoints and network, and addressing alerts or detected threats. MSPs can help!

-**If you're a Microsoft MSP, you can integrate Microsoft endpoint security capabilities with your remote monitoring and management (RMM) tools and your professional service automation (PSA) software by using the [Defender for Endpoint APIs](../defender-endpoint/management-apis.md)**. By using the Defender for Endpoint APIs together with your RMM tools and PSA software, you can:

-Use the following resources to learn more:

-## Resources for Cloud Solution Providers

-Microsoft Cloud Solution Providers (CSPs) go beyond reselling licenses. These partners tend to be more involved in their customers' businesses, such as by helping to manage security settings and capabilities. CSPs can use Microsoft 365 Lighthouse to manage their customers' security settings and capabilities. CSPs can also view and manage detected threats, and initiate antivirus scans on devices.

-## Resources for partners to learn about Defender for Business and Microsoft 365 Business Premium

-| [Microsoft 365 Business Premium partner playbook and readiness series](https://aka.ms/M365BPPartnerPlaybook) | Practical guidance on building a profitable managed services practice, with: <ul><li>Examples of successful managed service offers from industry experts and peers. </li><li>Technical enablement and checklists from Microsoft experts. </li><li>Sales enablement and customer conversation aids to help you market your solution. </li></ul> |

- - m365-security

- - m365-security

- - m365-security

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- - m365-security

- - m365initiative-defender-endpoint