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December 12, 2025

SECURITY

In Splunk, Empty Fields May Not Be Null

2 min read

Splunk's coalesce function treats empty fields as non-null. Learn to use Splunk macros to convert empty strings to nulls for accurate data selection and reliable detections.

December 11, 2025

SECURITY

The Segmentation Cycle: A Practical Approach to Network Security

3 min read

The segmentation journey starts with visibility, goes through identity context, policy and enforcement, ultimately returning to enhanced visibility.

December 4, 2025

SECURITY

Segmentation Remains a Foundational Security Concept

4 min read

The 2025 Cisco Segmentation Report shows that the concept’s adaptability makes it a foundational cornerstone for modern enterprise security strategies.

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