{"id":32666,"date":"2025-10-06T09:06:12","date_gmt":"2025-10-06T07:06:12","guid":{"rendered":"https:\/\/www.abd.es\/?p=32666"},"modified":"2025-10-06T09:06:12","modified_gmt":"2025-10-06T07:06:12","slug":"plan-desastres-informaticos-microsoft-365-azure","status":"publish","type":"post","link":"https:\/\/www.abd.es\/en\/2025\/10\/plan-desastres-informaticos-microsoft-365-azure\/","title":{"rendered":"Disaster Recovery Plan with Microsoft 365 and Azure"},"content":{"rendered":"

IT disasters \u2014cyberattacks, data loss, hardware failures, or human errors\u2014 can paralyze any organization, affecting business continuity, reputation, and regulatory compliance.<\/p>\n

Microsoft 365 and Azure provide a robust ecosystem for prevention, response, and recovery, integrating security, backup, and collaboration tools. This plan combines best practices with Microsoft\u2019s native solutions to ensure resilience.<\/p>\n

\"plan<\/p>\n

Risk assessment and proactive protection<\/h2>\n

Before designing the response strategy, it is essential to identify vulnerabilities and prioritize critical assets:<\/p>\n

Microsoft Secure Score<\/h3>\n

Assess the security level of your tenant and provide prioritized recommendations.<\/p>\n

Example: Enable MFA, reduce global permissions, enable alerts.<\/p>\n

Microsoft Defender for Endpoint<\/h3>\n

Advanced protection against malware, ransomware, and zero\u2011day attacks.<\/p>\n

It includes behavioral analysis and the isolation of compromised devices.<\/p>\n

Azure Security Center (Microsoft Defender for Cloud)<\/h3>\n

Continuous monitoring, hardening recommendations, and alerts across hybrid and multicloud environments.<\/p>\n

Tip: Establish a risk map and classify systems according to their criticality (high, medium, low).<\/p>\n

Backup and recovery strategy<\/h2>\n

\"plan<\/p>\n

A solid recovery plan minimizes the RTO (Recovery Time Objective) and the RPO (Recovery Point Objective):<\/p>\n

OneDrive and SharePoint<\/h3>\n

Automatic versioning and file recovery for up to 93 days. Ideal for user documents and collaboration.<\/p>\n

Azure Backup<\/h3>\n

Encrypted cloud backups for virtual machines, SQL databases, and critical workloads.<\/p>\n

Advantage: Complies with regulations such as GDPR and allows granular restorations.<\/p>\n

Azure Site Recovery (ASR)<\/h3>\n

Replication of complete environments (physical servers, VMs) in Azure. Enables failover and failback without disrupting production.<\/p>\n

Best practice: Implement the 3\u20112\u20111 rule \u2014 3 copies, 2 different media, 1 off\u2011site.<\/p>\n

Communication and continuity plan<\/h2>\n

During a crisis, rapid coordination is essential:<\/p>\n

Microsoft Teams<\/h3>\n

Central channel for the crisis team. Create a dedicated team with tabs for documentation and alerts.<\/p>\n

Planner or Microsoft Loop<\/h3>\n

Task assignment, ownership, and real\u2011time tracking.<\/p>\n

Power Automate<\/h3>\n

Automated workflows to notify incidents, escalate alerts, and send reports.<\/p>\n

Tip: Define pre\u2011approved messages for customers, suppliers, and authorities (GDPR: notification within 72 hours).<\/p>\n

Roles and responsibilities<\/h2>\n

Avoid improvisation by assigning clear roles:<\/p>\n

Azure Active Directory (Entra ID)<\/h3>\n

Role\u2011based access control (RBAC) and mandatory MFA.<\/p>\n

Privileged Identity Management (PIM)<\/h3>\n

Temporary access for critical accounts during the crisis, reducing the risks of permanent privileges.<\/p>\n

Recommendation: Document a crisis organizational chart with IT, legal, communications, and business leads.<\/p>\n

Steps to follow in the event of an incident<\/h2>\n

\"plan<\/p>\n

1. Detection and containment<\/h3>\n