What is Microsoft Sentinel SIEM?
Spot and stop cyberthreats faster with cloud-native security information and event management (SIEM). Microsoft Sentinel is a cloud-native SIEM that delivers scalable, cost-effective security across multicloud and multiplatform environments. For analysts seeking to anticipate and stop attacks faster and more accurately, Microsoft Sentinel combines all the AI, automation, and threat intelligence tools you need to succeed. Read the Microsoft Learn blog for a brief tutorial on Sentinel's out-of-the-box security capabilities and benefits.
What is Microsoft Sentinel?
Microsoft Sentinel is a cloud-native security information and event management (SIEM) solution that offers scalable and cost-efficient security across multicloud and multiplatform environments. It leverages AI, automation, and threat intelligence to enhance threat detection, investigation, response, and proactive hunting.
How does Microsoft Sentinel collect data?
Microsoft Sentinel collects data at scale from all users, devices, applications, and infrastructure, both on-premises and across multiple clouds. It includes out-of-the-box data connectors for Microsoft and Azure sources, as well as support for custom connectors and common event formats like Syslog and REST-API.
What capabilities does Microsoft Sentinel offer for threat response?
Microsoft Sentinel offers automation rules and playbooks to streamline threat response. Automation rules help manage incident handling, while playbooks, built using Azure Logic Apps, allow for the orchestration of remediation actions in response to specific alerts or incidents.

What is Microsoft Sentinel SIEM?
published by Definitive Solutions
Definitive Solutions was founded in 1999 by Peter Meade who has over 30 years in the IT industry. We deliver IT managed services, cloud and security solutions to our SMB and Enterprise clients throughout Ireland and Internationally.
We are not just another MSP; our technical skill is given, but our success has been built on the ethos of trust and our focus is always on building strong relationships. Our approach is to really understand our clients’ business challenges and goals, and implement bespoke technology products and services which meet their unique business requirements.
As an independent private company, you can trust us to give impartial advice. We stand over every product and service we recommend and will only offer the right solutions for our clients. There is no such thing as ‘one size fits all’.
Our focus on professional trust and relationships does not just apply to our long-established clients; it continues within our dedicated team, evidenced by one of the strongest retention rates in the industry, and with our partners.
All of the growth and success our business has enjoyed is a result of our outstanding team of people and we all share a passion for providing the best customer experience.
Our clients range across all industry verticals including financial services, public sector, distribution, pharma and charities. Many of our clients operate within highly regulated industries, and adhere to strict compliance and regulation standards and we work closely with them to ensure their technology strategy is aligned with their compliance responsibilities.