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Log Sources: What’s Shown and How to Use It

Learn how Seculyze displays Log Sources at table level, with detailed cost insights to optimize Microsoft Sentinel usage and value

Updated this week

Seculyze provides full transparency into your Microsoft Sentinel log sources by displaying data on a table level, not just by general log source category. This enables you to understand exactly what data you’re ingesting, how much it’s costing, and how that maps to detection value. Crucial for informed decision-making and reporting.

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What Log Sources are Shown?

Seculyze displays two types of log sources in your workspace:

1. Active Log Sources

These are log sources (tables) that are currently ingesting data into your Microsoft Sentinel environment. Examples include:

  • Microsoft Azure logs, like SecurityEvent

  • SAP logs, like SAPAuditLog

  • Cisco, like Cisco_Umbrella_dns_CL

  • Auth0, like Auth0AM_CL

These reflect your actual data usage and are the foundation of your cost and coverage analysis.

2. Available Azure Log Sources

These are potential log sources that are not currently enabled but are available due to your Azure setup. A common example is AzureActivity, which is often pre-integrated and easy to activate.

Showing both active and available log sources helps you plan ahead and understand what data you could bring in if needed.

Table-Level Granularity

Rather than showing logs at a high-level source name (e.g., “Firewall Logs”), Seculyze breaks it down to the individual table level. For example:

  • CommonSecurityLog may contain data from multiple vendors

  • Seculyze separates these internally, so you can see per-vendor ingestion and cost

This approach gives you fine-grained visibility into which data sources are driving cost, and which are actively contributing to detections.

Cost Visibility

Each log source table includes an estimated ingestion cost, calculated using Microsoft pricing and ingestion volume data. This helps you:

  • Understand where your budget is being used

  • Compare ingestion cost against alert coverage

  • Present a value-based overview to management

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