How does a prompt injection become a worm? En Klype Salt reports that instructions hidden in white text in a Word file s...

How does a prompt injection become a worm? En Klype Salt reports that instructions hidden in white text in a Word file survive a Copilot for Word session. Copilot follows them without saying so and copies them into the document it drafts, which then infects the next session. It spreads only when people reuse each other's documents, slower than a self-moving worm and harder to spot, since every step looks like ordinary work.https://benjaminhan.net/posts/20260822-copilot-word-ai-worm/?utm_source=mastodon&utm_medium=social#PromptInjection #Security #Microsoft #AI