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Ai Security
3 posts on ai security on The AI Career Lab. Working guides, how-to walkthroughs, and tool comparisons for professionals applying AI to real workflows.
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A Self-Spreading AI Worm Can Hide in Word Docs and Hijack Microsoft Copilot. Here's What Professionals Need to Know.
Security researcher Håkon Måløy disclosed on July 29, 2026, that Microsoft Copilot for Word can be hijacked by hidden instructions in a document — and that those instructions spread to every new document Copilot generates from the infected source. 144 days later, Microsoft has no complete fix. Here's what's actually at risk and what to change about how you work.
Kimi K3: China's 2.8-Trillion-Parameter Open Model — and Why It Matters Even If You Never Use It
Moonshot AI launched Kimi K3 on July 16, 2026 — the largest open-weight AI model ever, with a 1M-token context window — then suspended new consumer subscriptions within days as demand overwhelmed its GPUs. You probably won't run K3. Here's why it still affects what you pay for ChatGPT, Claude, and Gemini.
ChatGPT Just Added a Data-Safety Switch: What Lockdown Mode Does and Who Needs It
OpenAI rolled out Lockdown Mode on June 6, 2026 — an optional security toggle that blocks the most common way sensitive data can leak through prompt injection attacks. Here's what it is, what you lose, and whether to turn it on.