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Mark MacCarthy

Washington, D.C.
As seen in: Forbes, Aol, The Hill, Agenda (World Economic Forum), Brookings Institution, The Japan Times, TechTank, Yahoo, CIO, InfoWorld and
Georgetown University Communication, Culture & Technology Institute for Technology Law & Policy Brookings Institution, Center for Technology Innovation
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Articles

US Government’s AI Risk Review Should Apply to Open Weight Models

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By Mark MacCarthy
| Tech Policy Press
People visit the booth of Kimi, an LLM developed by the Chinese startup Moonshot, during the World AI Conference in Shanghai, China, Monday, July 20, 2026. (FeatureChina via AP Images) Little is known about the Trump administration’s secretive new voluntary safety review program for AI models. Yet one salient detail that is in the public domain is that it apparently excludes open weight models.
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Antitrust Uncertainty and AI Security Collaboration: A Targeted Bipartisan Proposal

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By Mark MacCarthy
| Just Security Verified
The clock is ticking as the U.S. government scrambles to prevent the cybersecurity capabilities of frontier AI models from being misused against government operations, critical infrastructure, and U.S. private sector networks. With Chinese labs only months behind U.S. companies, advanced cyber capabilities similar to those displayed by Mythos and GPT-5.6 may soon be available to criminals and intelligence services around the world.
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Early Edition: August 4, 2026

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By Mark MacCarthy
| Just Security Verified
Sign up to receive the Early Edition in your inbox here. A curated weekday guide to major news and developments over the last 24 hours. Here’s today’s news: IRAN WAR A cargo ship reported being hit by a projectile overnight off the coast of Oman in the Strait of Hormuz, according to the UKMTO maritime security agency. Maritime sources told Reuters this morning that the vessel struck near Hormuz was a dry ​bulk ship. Its crew had to abandon the vessel, and one seafarer was missing, the sources said.
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