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Richard Brooks's picture
Co-Founder and Lead Software Engineer, Reliable Energy Analytics LLC

Dick Brooks is the inventor of patent 11,374,961: METHODS FOR VERIFICATION OF SOFTWARE OBJECT AUTHENTICITY AND INTEGRITY and the Software Assurance Guardian™ (SAG ™) Point Man™ (SAG-PM™) software...

  • Member since 2018
  • 1,540 items added with 672,037 views
  • Nov 10, 2021

I must say, this new Supply Chain Guidance is significantly better than the previous guidance that was offered. Well Done NERC; it does seem that the voices from the cybersecurity trenches are being heard in Atlanta. The newly released, 11/10/2021, guidance documents are available here:

CIP-010-4 Implementation Guidance for Configuration Change Management and Vulnerability Assessments and

CIP-013-2 Implementation Guidance for Supply Chain Risk Management Plans

The most significant improvement, IMO is:

  • Under General Considerations for Requirement R1 Part 1.6 Software Verification; elimination of guidance suggesting digital signatures alone can validate software supplier identity; this is a known flaw

In spite of these improvements, I'm concerned that some old guidance contained in the NERC RSAW for CIP-010 that allows entities to bypass software verification may enable entities to install software that has not been verified, providing an entry for hackers to exploit:

Note to Auditor:

If the identity of the software source cannot be verified, then it will not be possible to verify the integrity of the software obtained from the software source. In this case, the documentation of the inability to verify the identity of the software source may also serve to document the inability to verify the integrity of the software.



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Thank Richard for the Post!
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