Autonomous AI agent hit Spanish firm with vulnerability scans before accessing files and data
Spain's data protection agency reported the first known data breach executed by an autonomous AI agent targeting a Spanish company. The agent accessed public files to log in, scanned for vulnerabilities, and exploited a flaw to modify personal data and access invoices. AEPD urged businesses to update their risk assessments to account for AI-driven attacks and strengthen identity controls.
- ▪Spain's AEPD received the first notification of a personal data breach carried out by an AI agent powered by a large language model.
- ▪The agent used publicly accessible files to log into the system, then scanned for and exploited a vulnerability to modify data.
- ▪The attack allowed the agent to access invoices and modify personal data, though the specific AI model was not compromised.
- ▪AEPD emphasized that traditional security procedures may be insufficient against AI agents that can rapidly adapt and test multiple attack avenues.
- ▪Businesses are advised to explicitly include AI-assisted attacks in their risk assessments and improve the speed of their incident response.
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| Original publisher | TechRadar |
| Canonical URL | https://www.techradar.com/pro/security/autonomous-ai-agent-hit-spanish-firm-with-vulnerability-scans-before-accessing-files-and-data |
| Publication time | Thu, 17 Sep 2026 10:15:00 +0000 |
| Retrieval time | 2026-09-17T10:23:44.949Z |
| Last seen | 2026-09-17T10:23:44.949Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | CxFG4fZRLbHZ · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Pro Security Autonomous AI agent hit Spanish firm with vulnerability scans before accessing files and data News By Sead Fadilpašić Published 17 September 2026 An investigation is currently ongoing When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Yuichiro Chino/via Getty Images) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Spain’s data protection agency (AEPD) reported its first breach carried out by an autonomous AI agentAgent chained multiple attack stages: accessed public files, scanned systems, exploited a flaw, and modified dataAEPD urged businesses to factor…
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