Daily Briefing
Tuesday, March 24, 2026
Top Stories
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SpaceX Targets $75B+ IPO Filing
- Prospectus expected this week or next
- Could raise more than $75B
The Information via Techmeme
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OpenAI Round Swells to $120B
- a16z, D.E. Shaw, MGX, TPG join latest tranche
- $730B valuation; CFO Friar confirms 'north of $120B'
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Arm Ships First In-House Chip Ever
- AGI CPU: 136 Neoverse V3 cores, 2x perf per rack vs x86
- Meta and OpenAI confirmed as early customers
The Information,
The Verge,
TechCrunch
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Meta Ordered to Pay $375M for Child Harm
- New Mexico jury: Meta failed to protect minors
- Allowed adults to prey on platform users
Wall Street Journal
AI & Models
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OpenAI Kills Sora App, Disney Walks
- Team blindsided; came one day after Sora safety blog post
- Disney exits $1B deal that included character licensing
Axios
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Altman Cedes Safety Oversight, Eyes 'Spud'
- Safety and security teams no longer report to Altman
- Refocuses on fundraising, supply chains, data centers
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GPT-5.4 Pro Solves FrontierMath Open Problem
- First AI to crack an Epoch open research problem
- Confirmed by Epoch AI on its FrontierMath leaderboard
Epoch AI
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Claude Code Gains Autonomous 'Auto Mode'
- Makes permission decisions without user approval prompts
- Blocks destructive actions like mass file deletion
Ars Technica
Security
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LiteLLM PyPI Versions Pulled After Compromise
- v1.82.8 hid credential stealer in base64 in CI/CD
- Both v1.82.7 and v1.82.8 removed from PyPI
Simon Willison,
The Register,
Hacker News
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Trivy Attack Infects 1,000+ Cloud Environments
- Malware spreading via open source supply chain
- Researchers warn of 'snowball effect' across projects
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Self-Propagating Malware Wipes Iran-Linked Machines
- Poisons downstream open source packages to spread
- Targets and wipes Iran-based systems on execution
Funding & M&A
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Amazon Acquires Humanoid Robot Startup Fauna
- 42-inch robot that walks, dances, and interacts with people
- New York-based Fauna Robotics; terms undisclosed
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AI Cow-Collar Startup Halter Raises $220M
- Founders Fund leads at $2B valuation
- Remote herding via audio and vibration cues on collars
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Databricks Acquires Two Security Startups
- Buys Antimatter and SiftD; launches Lakewatch SIEM
- Expands data platform into AI security monitoring
Worth Reading
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Inside the LiteLLM PyPI Supply Chain Attack
- Simon Willison traces base64-hidden malware in detail
- How a poisoned CI/CD pipeline reached PyPI release
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Anthropic Economic Index: Learning Curves
- March 2026 report on AI's economic footprint
- Maps adoption patterns and productivity dynamics
Anthropic
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Simon Willison on Claude Code Auto Mode
- Breaks down the alternative to --dangerously-skip-permissions
- How auto mode's permission decision layer actually works