Azure Sentinel is a SIEM (Security Information and Event Management) and Security Orchestration and Automated Response (SOAR) system in Microsoft's public cloud platform. It can provide a single solution for alert detection, threat visibility, proactive hunting, and threat response. It collects data from different data sources, performs data correlation, and Data Visualization the processed data in a single dashboard. Azure Sentinel helps to collect, detect, investigate and respond to security threats and incidents.
Stages of Azure Sentinel
Azure Sentinel can collect data on all users, devices, applications, and infrastructure both on-premises and across multiple cloud environments. It can easily connect to security sources out-of-the-box. There are several connectors available for Microsoft solutions that provide real-time integration. It also includes built-in connectors for third-party products and services (non-Microsoft Solutions). Apart from this, Common Event Format (CEF), Syslog, or REST-API can also connect the required data sources with Azure Sentinel.
Azure Sentinel can detect threats and minimizes false positives by using analytics and threat intelligence drawn directly from Microsoft. Azure Analytics plays a major role in correlating alerts into incidents identified by the security team. It provides built-in templates directly out-of-the-box to create threat detection rules and automate threat responses. Apart from this, Azure Sentinel also provides the feasibility to create custom rules.
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Investigation Suspicious Activities
Azure Sentinel can investigate and hunt suspicious activities across the environment. It helps reduce noise and hunt for security threats based on the MITRE framework. Use Artificial Intelligence to proactively identify threats before an alert trigger across the protected assets to detect suspicious activities.
Azure Sentinel can react smoothly and respond quickly to built-in orchestration incidents, and common and frequent tasks can easily be convert into automation. It is capable of creating simplified security orchestration with playbooks. It can also make tickets in ServiceNow, Jira, etc. when an event occurs.
Top 4 Benefits of Azure Sentinel:
Data Aggregation -: SIEMs gathers security event information from the entire network, centralizing the data collection in a single-pane-of-glass. Azure Sentinel makes it easy to collect security data across your entire hybrid organization from devices, to users, to apps, to servers on any cloud. It uses the power of artificial intelligence to ensure you are identifying real threats quickly and unleashes you from the burden of traditional SIEMs by eliminating the need to spend time on setting up, maintaining, and scaling infrastructure. Since it is built on Azure, it offers nearly limitless cloud scale and speed to address your security needs.
Data Normalization : SIEM solutions not only collect data; they normalize it. In other words, they reformat the data in whatever format you desire, not only allowing for consistency in your log management but for easy correlation. Azure Sentinel uses Azure Monitor, which is built on a proven and scalable log analytics database that ingests more than 10 petabytes every day and provides a very fast query engine that can sort through millions of records in seconds.
Compliance : SIEM helps enterprises patch their IT environments and helps to regulate third-party access. Both could represent security holes and compliance failures if not properly secured. Azure Sentinel has great integration capabilities too because it connects to popular solutions like Palo Alto Networks, F5, Symantec, Fortinet, and Check Point with many more to come.
Threat Detection and Security Alerting : When your solution detects a correlated security event, it can send your IT security team an alert prompting an investigation. This allows your team to focus their efforts on specific potential problem areas and discern whether your enterprise suffered a breach. From there, they can run your incident response plan and remediate the threat as quickly as possible, reducing the damage you suffer.