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December 5, 2025

internal network security monitoring (INSM)

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NERC Standards Committee Rejects Nuclear Reporting Carve-out
NERC’s Standards Committee unanimously agreed to reject a standard authorization request that would have exempted nuclear generators from the requirements of an event reporting reliability standard.
NERC
NERC Committee Approves Waivers for IBR Standards Projects
Members of NERC's Standards Committee advanced multiple standards development projects at their quarterly in-person meeting, along with re-electing the chair and vice chair.
FERC
FERC Responds to ERO’s INSM Clarification Filing
FERC provided additional explanations of a key term in its directive that NERC revise a recently approved cybersecurity standard.
Kevin Dooley, CC-BY-SA 2.0, via Wikimedia Commons
NERC Standards Committee Tackles Final Order 901 Tranche
NERC's Standards Committee agreed to post two inverter-based resource-related standard authorization requests for industry comment at its monthly meeting.
FERC
NERC Requests Clarity on FERC’s INSM Order
NERC asked FERC for additional clarity on a key term in its order directing modifications to the latest critical infrastructure protection standard.
Shutterstock
FERC Approves NERC’s Proposed INSM Standard
FERC approved a proposed standard to require internal network security monitoring at high- and medium-impact grid cyber systems while ordering further modifications.
Shutterstock
NERC Responds to FERC Cybersecurity NOPRs
NERC and the regional entities expressed support for FERC's cybersecurity proposals but reminded the commission of their already busy development cycle.
Shutterstock
FERC Proposes Further Cybersecurity Measures
FERC issued two NOPRs indicating it will direct NERC to develop new cybersecurity standards.
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NERC Submits INSM Standard for FERC Approval
NERC submitted to FERC its proposed cybersecurity reliability standard requiring utilities to implement internal network security monitoring software on select grid cyber systems.
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Industry Approves NERC’s Cyber Monitoring Standards
NERC's proposed internal network security monitoring standard is on track for submission to FERC after an as yet unscheduled final ballot.

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