Last Week in Tech – China's Open-Source Shock, TSMC's Record Quarter, and a 570-Flaw Patch Tuesday

Your Monday catch-up on the week in tech, with a security lens. China's Moonshot AI releases Kimi K3 — the largest open-weight model ever, at 2.8 trillion parameters — and chip stocks shudder in a DeepSeek-style sell-off. The AI build-out rolls on regardless: TSMC posts a record quarterly profit, up 77 per cent, and adds another 100 billion US dollars to its Arizona plans, a day after ASML lifts its full-year outlook. The first Nvidia H200 chips ship to China under new licences even as Nvidia halves its approved Asian buyer list. And a report says Meta is weighing leasing Anthropic up to 10 billion dollars of compute — early talks only, and we flag it as such. On the security desk: Microsoft's biggest-ever Patch Tuesday fixes 570 flaws including two zero-days under active attack, a separate perfect-storm SharePoint flaw (CVE-2026-58644) draws a three-day CISA patch deadline, and the US, EU and UK launch their first joint cyber-sanctions package against the Russian ransomware ecosystem.Wondering what any of this means for your patch queue or your AI plans? Visit www.kinsoft.com.au to talk through your security and IT needs.Sources: Bloomberg; CNBC; Axios; SCMP; SEC filings; DigiTimes; Reuters; CNN Business; BleepingComputer; CrowdStrike; CISA; Rapid7; SecurityWeek; The Hacker News; The Record; Chainalysis.