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id: news-20260820-a9e7d8
title: Grok exfiltrates user data when malicious instructions are encrypted
url: https://arstechnica.com/security/2026/08/grok-exfiltrates-user-data-when-malicious-instructions-are-encrypted/
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canonical_url: https://arstechnica.com/security/2026/08/grok-exfiltrates-user-data-when-malicious-instructions-are-encrypted
source: ArsTechnica
category: news/tech
category_raw: tech
region: usa
tags: []
lang: en
published_at: '2026-08-20T13:00:35Z'
fetched_at: '2026-08-20T16:18:13.239603Z'
updated_at: '2026-08-20T16:30:05Z'
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# Grok exfiltrates user data when malicious instructions are encrypted

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- (なし)

## Details
(本文なし。リンク先参照)

## Source
元記事: [Grok exfiltrates user data when malicious instructions are encrypted](https://arstechnica.com/security/2026/08/grok-exfiltrates-user-data-when-malicious-instructions-are-encrypted/) — published 2026-08-20T13:00:35Z