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@@ -109,7 +109,7 @@ Apply these best practices before an attack.
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| Identify the important systems that you need to bring back online first (using top five categories above) and immediately begin performing regular backups of those systems. | To get back up and running as quickly as possible after an attack, determine today what is most important to you. |
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| Migrate your organization to the cloud. <br><br>Consider purchasing a Microsoft Unified Support plan or working with a Microsoft partner to help support your move to the cloud. | Reduce your on-premises exposure by moving data to cloud services with automatic backup and self-service rollback. Microsoft Azure has a robust set of tools to help you back up your business-critical systems and restore your backups faster. <br><br>[Microsoft Unified Support](https://www.microsoft.com/en-us/msservices/unified-support-solutions) is a cloud services support model that is there to help you whenever you need it. Unified Support: <br><br>Provides a designated team that is available 24x7 with as-needed problem resolution and critical incident escalation <br><br>Helps you monitor the health of your IT environment and works proactively to make sure problems are prevented before they happen |
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| Migrate your organization to the cloud. <br><br>Consider purchasing a Microsoft Unified Support plan or working with a Microsoft partner to help support your move to the cloud. | Reduce your on-premises exposure by moving data to cloud services with automatic backup and self-service rollback. Microsoft Azure has a robust set of tools to help you back up your business-critical systems and restore your backups faster. <br><br>[Microsoft Unified Support](https://www.microsoft.com/microsoft-unified) is a cloud services support model that is there to help you whenever you need it. Unified Support: <br><br>Provides a designated team that is available 24x7 with as-needed problem resolution and critical incident escalation <br><br>Helps you monitor the health of your IT environment and works proactively to make sure problems are prevented before they happen |
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| Move user data to cloud solutions like OneDrive and SharePoint to take advantage of [versioning and recycle bin capabilities](/compliance/assurance/assurance-malware-and-ransomware-protection#sharepoint-online-and-onedrive-for-business-protection-against-ransomware). <br><br>Educate users on how to recover their files by themselves to reduce delays and cost of recovery. For example, if a user’s OneDrive files were infected by malware, they can [restore](https://support.microsoft.com/office/restore-your-onedrive-fa231298-759d-41cf-bcd0-25ac53eb8a15?ui=en-US&rs=en-US&ad=US) their entire OneDrive to a previous time. <br><br>Consider a defense strategy, such as [Microsoft Defender XDR](/microsoft-365/security/defender/microsoft-365-defender), before allowing users to restore their own files. | User data in the Microsoft cloud can be protected by built-in security and data management features. <br><br>It's good to teach users how to restore their own files but you need to be careful that your users don't restore the malware used to carry out the attack. You need to: <br><br>Ensure your users don't restore their files until you're confident that the attacker has been evicted <br><br>Have a mitigation in place in case a user does restore some of the malware <br><br>Microsoft Defender XDR uses AI-powered automatic actions and playbooks to remediate impacted assets back to a secure state. Microsoft Defender XDR leverages automatic remediation capabilities of the suite products to ensure all impacted assets related to an incident are automatically remediated where possible. |
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| Implement the [Microsoft cloud security benchmark](/security/benchmark/azure/introduction). | The Microsoft cloud security benchmark is our security control framework based on industry-based security control frameworks such as NIST SP800-53, CIS Controls v7.1. It provides organizations guidance on how to configure Azure and Azure services and implement the security controls. See [Backup and Recovery](/security/benchmark/azure/security-controls-v3-backup-recovery). |
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| Regularly exercise your business continuity/disaster recovery (BC/DR) plan. <br><br>Simulate incident response scenarios. Exercises you perform in preparing for an attack should be planned and conducted around your prioritized backup and restore lists. <br><br>Regularly test ‘Recover from Zero’ scenario to ensure your BC/DR can rapidly bring critical business operations online from zero functionality (all systems down). | Ensures rapid recovery of business operations by treating a ransomware or extortion attack with the same importance as a natural disaster. <br><br>Conduct practice exercise(s) to validate cross-team processes and technical procedures, including out of band employee and customer communications (assume all email and chat is down). |
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| Early in the attack, engage third-party support, particularly support from threat intelligence providers, antimalware solution providers and from the malware analysis provider. | These contacts may be useful if the given ransomware variant has a known weakness or decryption tools are available. <br><br>[The Microsoft Incident Response team](https://www.microsoft.com/security/blog/2019/03/25/dart-the-microsoft-cybersecurity-team-we-hope-you-never-meet/) can help protect you from attacks. Microsoft Incident Response engages with customers around the world, helping to protect and harden against attacks before they occur, as well as investigating and remediating when an attack has occurred. <br><br>Microsoft also provides Rapid Ransomware Recovery services. Services are exclusively delivered by the Microsoft Global [Compromise Recovery Security Practice (CRSP)](https://www.microsoft.com/security/blog/2021/06/09/crsp-the-emergency-team-fighting-cyber-attacks-beside-customers/). The focus of this team during a ransomware attack is to restore authentication service and limit the impact of ransomware. <br><br>Microsoft Incident Response is part of Microsoft’s [Industry Solutions Delivery](https://www.microsoft.com/en-us/msservices/security) security service line. |
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| Early in the attack, engage third-party support, particularly support from threat intelligence providers, antimalware solution providers and from the malware analysis provider. | These contacts may be useful if the given ransomware variant has a known weakness or decryption tools are available. <br><br>[The Microsoft Incident Response team](https://www.microsoft.com/security/blog/2019/03/25/dart-the-microsoft-cybersecurity-team-we-hope-you-never-meet/) can help protect you from attacks. Microsoft Incident Response engages with customers around the world, helping to protect and harden against attacks before they occur, as well as investigating and remediating when an attack has occurred. <br><br>Microsoft also provides Rapid Ransomware Recovery services. Services are exclusively delivered by the Microsoft Global [Compromise Recovery Security Practice (CRSP)](https://www.microsoft.com/security/blog/2021/06/09/crsp-the-emergency-team-fighting-cyber-attacks-beside-customers/). The focus of this team during a ransomware attack is to restore authentication service and limit the impact of ransomware. <br><br>Microsoft Incident Response is part of Microsoft’s [Industry Solutions Delivery](https://www.microsoft.com/security/business/services/microsoft-security-enterprise-services) security service line. |
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| Contact your local or federal law enforcement agencies. | If you're in the United States, contact the FBI to report a ransomware breach using the [IC3 Complaint Referral Form](https://www.ic3.gov/). |
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| Take steps to remove malware or ransomware payload from your environment and stop the spread. <br><br>Run a full, current antivirus scan on all suspected computers and devices to detect and remove the payload that's associated with the ransomware. <br><br>Scan devices that are synchronizing data, or the targets of mapped network drives. | You can use [Windows Defender](https://www.microsoft.com/windows/comprehensive-security). <br><br>An alternative that will also help you remove ransomware or malware is the [Malicious Software Removal Tool (MSRT)](https://www.microsoft.com/download/details.aspx?id=9905). |
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| Restore business-critical systems first. Remember to validate again that your backup is good before you restore.| At this point, you don’t need to restore everything. Focus on the top five business-critical systems from your restore list. |
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