Microsoft Sentinel - AI-Ready SIEM for Modern Security Operations
Microsoft Sentinel is Microsoft's cloud-native security information and event management (SIEM) platform, built for enterprises that need unified visibility, AI-powered threat detection, and scalable security operations across multicloud and multiplatform environments.
As an Azure partner, TechPower helps organisations plan, license, deploy, and optimise Microsoft Sentinel to protect their entire digital estate - from Microsoft 365 and Azure workloads to AWS, Google Cloud, and on-premises infrastructure.
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Overview
Legacy SIEM platforms were not built for today's threat landscape. They are expensive to scale, difficult to integrate, and slow to deliver value. Microsoft Sentinel takes a fundamentally different approach - combining a cloud-native SIEM with a unified data lake, graph-powered visibility, and an AI-first architecture that empowers security teams to detect and respond to threats faster and with greater confidence.
Sentinel integrates natively with Microsoft Defender XDR, delivering a unified SecOps experience across prevention, detection, investigation, and response - all from a single console.
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Key Capabilities
Industry-Leading Cloud-Native SIEM
- Unifies SIEM, SOAR (security orchestration, automation, and response), UEBA (user and entity behaviour analytics), and threat intelligence in a single platform
- Built-in case management and advanced analytics reduce complexity and eliminate the need for additional third-party tools
- Cloud-native architecture removes the overhead of on-premises infrastructure
AI-Powered Threat Detection and Response
- AI-driven correlation and detection significantly reduces false positives - by up to 79% according to Forrester research
- Security Copilot integration provides a generative AI assistant that summarises incidents, writes KQL queries, and recommends next steps
- Machine learning-enhanced hunting rules support proactive threat detection before incidents escalate
Unified Data Lake
- Centralises security data at scale with cost-efficient, cloud-native storage
- Purpose-built for security workloads - organising data across assets, identities, activities, and threat intelligence
- Enables advanced analytics and AI-driven insights without compromising performance or budget
Graph-Powered Visibility
- Security graph architecture provides contextual visibility that extends beyond the SOC across the entire digital estate
- Connects relationships between entities, events, and threats for deeper investigation and faster root cause analysis
Intelligent MCP Server
- Translates natural language into executable security tasks
- Enables AI agents to discover, invoke, and interact with each other - accelerating automation across security workflows
Enterprise-Wide Integration
- More than 350 native connectors covering Microsoft, AWS, Google Cloud, Palo Alto, Cisco, and hundreds of other platforms
- Codeless connector framework allows teams to build custom no-code integrations without specialist development skills
- A library of 480 customisable security solutions available via the Microsoft Security Store
Native XDR Integration
- Fully integrated with Microsoft Defender XDR for unified detection and response across endpoints, identities, email, and applications
- Delivers a single pane of glass across SIEM and XDR capabilities - reducing tool sprawl and analyst fatigue
Visionary Security Innovation Roadmap
- Microsoft's sustained investment in AI, machine learning, and security research gives Sentinel a continuously evolving capability set that stays ahead of emerging threats
- A dedicated global team of threat intelligence and security research professionals underpins detection quality and enrichment across the platform
- Rapid delivery of breakthrough advances for the SOC means organisations benefit from new capabilities without waiting for major release cycles or paying for additional modules
- For organisations concerned about vendor roadmap stagnation - a documented risk with some competing platforms following acquisition activity - Microsoft's commitment to Sentinel development provides long-term confidence
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Business Benefits
Based on Forrester's Total Economic Impact study of Microsoft Sentinel:
- 44% lower costs compared to legacy SIEM solutions
- 79% reduction in false positives - freeing analyst time for high-value work
- 35% reduction in the likelihood of a security breach
- Predictable, consumption-based pricing with flexible options to match your data volumes and budget
- Faster time to value through pre-built detection rules, playbooks, and migration tooling for teams moving from Splunk or other platforms
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Common Use Cases
SOC Modernisation
Replace ageing or fragmented SIEM tools with a unified, cloud-native platform that reduces operational overhead and accelerates threat response.
Multicloud Security Monitoring
Gain consistent visibility and control across Azure, AWS, and Google Cloud environments from a single platform - without building separate monitoring stacks per cloud.
Compliance and Audit Readiness
Centralise log collection, retention, and reporting to support regulatory requirements such as ISO 27001, NIST, and GDPR.
Insider Threat Detection
Leverage UEBA to identify anomalous user and entity behaviour that may indicate compromised accounts or malicious insider activity.
Incident Investigation and Response
Use AI-assisted investigation, automated playbooks, and integrated threat intelligence to reduce mean time to resolution (MTTR) and contain threats quickly.
Migration from Legacy SIEM
Move away from cost-heavy platforms like Splunk with dedicated migration tooling, pre-built content, and partner-supported onboarding.
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Why Microsoft Sentinel Over the Alternatives
- vs. Splunk - Lower ingestion costs, native AI capabilities, faster onboarding, and no specialised expertise required to manage the platform. Splunk's roadmap execution has also drawn criticism from security leaders since its acquisition, whereas Microsoft continues to invest heavily in Sentinel's development and AI integration
- vs. Palo Alto XSIAM - Broader ecosystem integration, stronger Microsoft-native coverage, and a more flexible pricing model
- vs. point solutions - A single integrated platform eliminates the security gaps and operational overhead of managing multiple niche tools
Microsoft is recognised as a Leader in the 2025 Gartner Magic Quadrant for SIEM and named a Leader in the Forrester Wave for Security Analytics Platforms, Q2 2025.
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How TechPower Helps
Purchasing Microsoft Sentinel through TechPower gives your organisation more than just a licence. As an experienced Azure partner, TechPower provides end-to-end support to ensure you get full value from your investment.
- Licensing and commercial advice - We help you choose the right pricing tier and commitment model to optimise cost from day one
- Deployment and configuration - Our security team handles connector setup, workspace configuration, analytics rules, and integration with your existing tools
- Migration support - Moving from Splunk or another SIEM? We provide structured migration planning to reduce risk and accelerate your go-live date
- Ongoing management - TechPower offers managed Sentinel services so your team can focus on threats rather than platform administration
- Training and enablement - We help your analysts get productive quickly with targeted training on Sentinel, KQL, and Security Copilot
Contact TechPower today to discuss your security requirements and find out how Microsoft Sentinel can strengthen your organisation's defences.