Operational-technology providers express annoyance over Mythos exclusion

Nextgov reports operational technology (OT) providers and their trade groups have pushed for access to Anthropic's cybersecurity-focused Mythos Preview model after the model's initial rollout prioritized major technology and finance firms, according to four people familiar with the discussions. Nextgov says OT representatives have expressed frustration in recent roundtables and listening sessions about being left out of Project Glasswing, Anthropic's initiative with major companies to secure critical software globally. Two sources told Nextgov that processes to grant OT firms access are ongoing. Nextgov reports that one attendee said, "There's definitely an annoyance in the OT world." Nextgov has asked Anthropic, the Office of the National Cyber Director, and American Water for comment.

Per Nextgov reporting, Mythos Preview is being used within Project Glasswing as part of a coordinated vulnerability-patching effort among selected large firms. The article does not provide further technical specifications of Mythos Preview or the integration mechanisms being applied to OT systems.

Editorial analysis - technical context: Companies and sectors that operate legacy OT stacks typically face high variation in protocol support, patching windows, and asset visibility. Industry-pattern observations note that aligning AI-driven vulnerability detection and automated patch workflows with OT environments usually requires tailored connectors, extended testing windows, and close coordination with vendors and operators.

Editorial analysis: The Nextgov report highlights an access and governance tension that can arise when new security tooling is distributed first to a subset of large enterprises. Observed patterns in similar initiatives show that excluding OT vendors or operators from early testing can delay operational validation on industrial control systems and slow adoption of mitigations across critical-infrastructure supply chains.

For practitioners:

• •Which OT vendors or industry associations gain formal access to Mythos Preview and under what data-sharing terms.
• •Whether the Office of the National Cyber Director or other coordinating bodies issue guidance tying AI-assisted patching pilots to OT-specific safety checks.
• •How integration testing addresses OT constraints such as maintenance windows, safety-critical fail-safes, and vendor firmware lifecycle.

Nextgov is the source for the reported facts in this piece; where the reporting cited anonymous participants, their observations are attributed to those sources.