South Korean police arrest four over hacking 120K home security cameras, whose footage was used to make sexually exploitative material; one person made ~$12K (John Yoon/New York Times)
Chinese short-video company Kuaishou launches Kling Video O1, saying it is the first multimodal AI model to unify video generation, editing, and post-production (Ben Jiang/South China Morning Post)
Prediction market Kalshi raised $1B led by Paradigm at an $11B valuation, up from $5B after raising $300M in October 2025, making its co-founders billionaires (Michael J. de la Merced/New York Times)
Discord now lets users buy, wishlist, and gift in-game cosmetic items directly within its platform, starting with a store within Marvel Rivals' Discord server (Ash Parrish/The Verge)
Paris-based AI voice startup Gradium, spun out of the nonprofit AI lab Kyutai, raised $70M led by FirstMark and Eurazeo, after launching in September (Bloomberg) https://www.bloomberg.com/news/articles/2025-12-02/eric-schmidt-xavier-niel-back-french-ai-voice-startup-gradium
Taiwanese prosecutors charge Tokyo Electron for failing to prevent staff from allegedly stealing TSMC trade secrets, indicting the company on several counts (Bloomberg) https://www.bloomberg.com/news/articles/2025-12-02/taiwan-charges-tokyo-electron-in-tsmc-secrets-theft-case
At a Tokyo forum, Masayoshi Son says he "was crying" over SoftBank selling its $5.83B Nvidia stake but "I just had more need for money to invest in OpenAI" (Dylan Butts/CNBC)
Just Eat founder Jitse Groen plans to step down as CEO effective January 1, replaced by Prosus Europe head Roberto Gandolfo; Groen founded Takeaway.com in 2000 (Sarah Jacob/Bloomberg) https://www.bloomberg.com/news/articles/2025-12-02/just-eat-founder-steps-down-as-ceo-after-prosus-acquisition
Study: using the SCONE-bench benchmark of 405 smart contracts, Claude Opus 4.5, Sonnet 4.5, and GPT-5 found and developed exploits collectively worth $4.6M (Anthropic)
A profile of Cursor CEO Michael Truell, a 25-year-old who started building the AI coding tool in 2023, as some question Cursor's reliance on third-party models (Angel Au-Yeung/Wall Street Journal) https://www.wsj.com/tech/ai/millions-of-coders-love-this-ai-startup-can-it-last-45b72441?st=ccoTKq&reflink=desktopwebshare_permalink