Uploaded August 2026 | Updated September 2026, 3 weeks ago
This week, we cover updates from the ongoing cyber saga, including OpenAI's two-week pause on RL training and the cyber capabilities of Z.ai's latest model GLM-5.3. We also unpack Anthropic's move to add watermarks to text generated by Claude in compliance with the EU AI Act.
Timestamps:
Mark Zuckerberg's essay on AI (00:20)
OpenAI pauses RL training (5:56)
Cyber capabilities of GLM-5.3 (15:29)
EU AI Act refresher (24:29)
How Anthropic's text watermark works (31:21)
What's driving the backlash against Anthropic (40:59)
Additional Reading:
Zuckerberg's essay "The Future is for Everyone": meta.com/thefutureisforeveryone
OpenAI announces two-week pause on RL training: openai.com/index/pacing-model-development-cyber-capabilities
Letter from Sanders to tech CEOs: sanders.senate.gov/wp-content/uploads/AI-Pause-Letter-FINAL.pdf
Letter from House reps to Mike Johnson: casar.house.gov/sites/evo-subsites/casar.house.gov/files/evo-media-document/final-letter-to-speaker-johnson-requesting-ai-hearings-1.pdf
Z.ai blog post "GLM-5.3: Frontier Coding with Emergent Cyber Capabilities": https://z.ai/blog/glm-5.3
Z.ai article "Preparing GLM-5.3 for Open Release: A Responsible Path to Cyber Defense": https://x.com/Zai_org/status/2088280509474320693
"The EU's AI Transparency Code of Practice, Explained" (Tech Policy Press): https://www.techpolicy.press/the-eus-ai-transparency-code-of-practice-explained/
Anthropic blog post "How Claude's text watermark works": anthropic.com/news/claude-text-watermark
"Toward a Federal Framework: Lessons from State and International Frontier AI Regulation" (CSIS): csis.org/analysis/toward-federal-framework-lessons-state-and-international-frontier-ai-regulation
Check out our upcoming event, "AI Agent Containment Failures: Technical Realities and Policy Responses": csis.org/events/ai-agent-containment-failures-technical-realities-and-policy-responses
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A nonpartisan institution, CSIS is the top national security think tank in the world.
Visit csis.org to find more of our work as we bring bipartisan solutions to the world's greatest challenges.
Want to see more videos and virtual events? Subscribe to this channel and turn on notifications: https://cs.is/2dCfTve
Follow CSIS on:
• Twitter: twitter.com/csis
• Facebook: facebook.com/CSIS.org
• Instagram: instagram.com/csis
This week, we cover updates from the ongoing cyber saga, including OpenAI's two-week pause on RL training and the cyber capabilities of Z.ai's latest model GLM-5.3. We also unpack Anthropic's move to add watermarks to text generated by Claude in compliance with the EU AI Act.
Timestamps:
Mark Zuckerberg's essay on AI (00:20)
OpenAI pauses RL training (5:56)
Cyber capabilities of GLM-5.3 (15:29)
EU AI Act refresher (24:29)
How Anthropic's text watermark works (31:21)
What's driving the backlash against Anthropic (40:59)
Additional Reading:
Zuckerberg's essay "The Future is for Everyone": meta.com/thefutureisforeveryone
OpenAI announces two-week pause on RL training: openai.com/index/pacing-model-development-cyber-capabilities
Letter from Sanders to tech CEOs: sanders.senate.gov/wp-content/uploads/AI-Pause-Letter-FINAL.pdf
Letter from House reps to Mike Johnson: casar.house.gov/sites/evo-subsites/casar.house.gov/files/evo-media-document/final-letter-to-speaker-johnson-requesting-ai-hearings-1.pdf
Z.ai blog post "GLM-5.3: Frontier Coding with Emergent Cyber Capabilities": https://z.ai/blog/glm-5.3
Z.ai article "Preparing GLM-5.3 for Open Release: A Responsible Path to Cyber Defense": https://x.com/Zai_org/status/2088280509474320693
"The EU's AI Transparency Code of Practice, Explained" (Tech Policy Press): https://www.techpolicy.press/the-eus-ai-transparency-code-of-practice-explained/
Anthropic blog post "How Claude's text watermark works": anthropic.com/news/claude-text-watermark
"Toward a Federal Framework: Lessons from State and International Frontier AI Regulation" (CSIS): csis.org/analysis/toward-federal-framework-lessons-state-and-international-frontier-ai-regulation
Check out our upcoming event, "AI Agent Containment Failures: Technical Realities and Policy Responses": csis.org/events/ai-agent-containment-failures-technical-realities-and-policy-responses
---------------------------------------------
A nonpartisan institution, CSIS is the top national security think tank in the world.
Visit csis.org to find more of our work as we bring bipartisan solutions to the world's greatest challenges.
Want to see more videos and virtual events? Subscribe to this channel and turn on notifications: https://cs.is/2dCfTve
Follow CSIS on:
• Twitter: twitter.com/csis
• Facebook: facebook.com/CSIS.org
• Instagram: instagram.com/csis
