![]() What are the most critical infrastructure components, systems, apps, and data in your business?.Use these questions to pin down your migration priorities: You migrate your content and SOC processes to ensure that the existing analyst experience isn't disrupted. As you add more use cases, you can use this Microsoft Sentinel instance as a user acceptance testing (UAT) environment to validate the use cases. ![]() You can begin using Microsoft Sentinel gradually, starting with a minimum viable product (MVP) for several use cases. You'll use this information to get approval from the relevant stakeholders before you start the implementation phase.Īs you implement Microsoft Sentinel components according to the design phase, and before you convert your entire infrastructure, consider whether you can use Microsoft Sentinel out-of-the-box content instead of migrating all components. Identify use cases and migration priorities as part of this phase.ĭefine a detailed design and architecture for your Microsoft Sentinel implementation. Review these key considerations for each phase. Rather than reviewing the full set of phases, the articles in this guide review specific tasks and steps that are especially important to a Microsoft Sentinel migration. An actual migration may not include some phases or may include more phases. The phases in this diagram are a guideline for how to complete a typical migration procedure. Each phase includes clear goals, key activities, and specified outcomes and deliverables. This diagram describes the high-level phases that a typical migration includes. Thorough planning allows you to maintain protection for both your cloud-based assets-Microsoft Azure, AWS, or GCP-and your SaaS solutions, such as Microsoft Office 365. Plan your migrationĭuring the planning phase, you identify your existing SIEM components, your existing SOC processes, and you design and plan new use cases. Microsoft Sentinel collects data automatically and at scale, detects unknown threats, investigates threats with artificial intelligence, and responds to incidents rapidly with built-in automation. These tasks are often at the expense of critical triage and analysis.Ī cloud-native SIEM addresses these challenges. SOC teams typically oversee orchestration and infrastructure, manage connections between the SIEM and various data sources, and perform updates and patches. SOC teams are overworked and new analysts are hard to find. SOC teams need highly skilled analysts to manually process large amounts of alerts. ![]() Instead of focusing on protecting the organization, SOC teams must invest in infrastructure setup and maintenance, and are bound by storage or query limits. As data ingestion rates grow, SOC teams are challenged with scaling their SIEM. Analyzing this data slows down SOC teams in their efforts to respond to critical threats in the environment. In addition, SOC analysts are faced with large amounts of false positives, many alerts from many different security components, and increasingly high volumes of logs. Legacy SIEMs use correlation rules, which are difficult to maintain and ineffective for identifying emerging threats. SOC teams face a set of challenges when managing a legacy SIEM: Microsoft Sentinel provides a single solution for attack detection, threat visibility, proactive hunting, and threat response. Microsoft Sentinel delivers intelligent security analytics and threat intelligence across the enterprise. Microsoft Sentinel is a scalable, cloud-native, security information and event management (SIEM) and security orchestration, automation, and response (SOAR) solution.
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