A Tale of Two Baselines: CIP-015-1 vs. CIP-010-4

Deck: 

Cybersecurity

Fortnightly Magazine - December 2025
This full article is only accessible by current license holders. Please login to view the full content.
Don't have a license yet? Click here to sign up for Public Utilities Fortnightly, and gain access to the entire Fortnightly article database online.

As utilities prepare for compliance with the newly approved NERC CIP-015-1 standard, a recurring point of discussion has emerged: what exactly is meant by a baseline in the context of Internal Network Security Monitoring (INSM)?

For many in the electric sector, the term baseline immediately evokes CIP-010-4 Requirement R1, a well-established standard for configuration management. But CIP-015-1 introduces a fundamentally different concept: behavioral baselining. Understanding this distinction is critical for both compliance and cybersecurity effectiveness.

CIP-010-4 R1: Configuration Baselines for System Integrity

CIP-010-4 R1 requires Responsible Entities to develop and maintain configuration baselines for BES Cyber Systems and a specific scope of associated assets. These baselines include:

Operating systems and firmware versions;

Commercial, open-source, and custom software;

Figure 1 - Why the Distinction Matters

Logical network accessible ports; and

Security patches applied.

This full article is only accessible by current license holders. Please login to view the full content.
Don't have a license yet? Click here to sign up for Public Utilities Fortnightly, and gain access to the entire Fortnightly article database online.