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Fooling AI Agents: Web-Based Indirect Prompt Injection Observed in the Wild

Unit 42 · published 3 March 2026

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7blogs citing
First cited
29 Jan 2026
Most recent
23 Jul 2026
Rank this month
not ranked
Links from this post
26
Words captured
5,171

Cited by

Blog
In the post
Date
kaspersky.com
Real-world attacks on corporate AI agents | Kaspersky official blog Read at the source ↗
23 Jul 2026
kiledjian.com
Trust is becoming the attack surface Read at the source ↗
20 Jul 2026
corrupted.io
Using Hermes Agent for Security Workflows Read at the source ↗
15 Jun 2026
Docker Engineering
Coding Agent Horror Stories: The Security Crisis Threatening Developer Infrastructure Read at the source ↗
18 May 2026
michaellivs.com
State of Browser Use, May 2026 Read at the source ↗
4 May 2026
christian-schneider.net
Multimodal prompt injection: attacks in images, audio, and video Read at the source ↗
11 Mar 2026
internet-scout.de
Warum Prompt-Injection auch für Dich eine Gefahr ist und wie man sich dagegen schützen kann Read at the source ↗
9 Mar 2026
christian-schneider.net
From LLM to agentic AI: prompt injection got worse Read at the source ↗
29 Jan 2026

Links from this post

Link
Host
https://docs.paloaltonetworks.com/dns-security
docs.paloaltonetworks.com
https://www.paloaltonetworks.com/network-security/advanced-url-filtering
paloaltonetworks.com
https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security
paloaltonetworks.com
https://docs.paloaltonetworks.com/prisma-access-browser
docs.paloaltonetworks.com
https://www.paloaltonetworks.com/unit42/assess/ai-security-assessment
paloaltonetworks.com
https://start.paloaltonetworks.com/contact-unit42.html
start.paloaltonetworks.com
https://unit42.paloaltonetworks.com/tag/genai/
unit42.paloaltonetworks.com
https://unit42.paloaltonetworks.com/tag/prompt-injection/
unit42.paloaltonetworks.com
https://brave.com/blog/comet-prompt-injection/
brave.com
https://underdefense.com/blog/prompt-injection-real-world-example-from-our-team/
underdefense.com
https://recsyshr.aau.dk/wp-content/uploads/2025/09/RecSysHR2025-paper_9.pdf
recsyshr.aau.dk
Indirect prompt injection in the real world: how people manipulate neural networks Read at the source ↗
securelist.com
https://www.pillar.security/blog/anatomy-of-an-indirect-prompt-injection
pillar.security
https://www.theguardian.com/technology/2025/jul/14/scientists-reportedly-hiding-ai-text-prompts-in-academic-papers-to-receive-positive-peer-reviews
theguardian.com
https://www.linkedin.com/posts/unit42_promptinjection-activity-7406438921041018881-OKa5/
linkedin.com
The Next Frontier of Runtime Assembly Attacks: Leveraging LLMs to Generate Phishing JavaScript in Real Time Read at the source ↗
unit42.paloaltonetworks.com
https://www.catonetworks.com/blog/cato-ctrl-hashjack-first-known-indirect-prompt-injection/
catonetworks.com
How Prompt Attacks Exploit GenAI and How to Fight Back Read at the source ↗
unit42.paloaltonetworks.com
https://www.lakera.ai/blog/jailbreaking-large-language-models-guide
lakera.ai
https://arxiv.org/abs/2403.14720
arxiv.org
https://arxiv.org/abs/2404.13208
arxiv.org
https://storage.googleapis.com/deepmind-media/Security%20and%20Privacy/Gemini_Security_Paper.pdf
storage.googleapis.com
https://arxiv.org/pdf/2503.18813
arxiv.org
https://www.cyberthreatalliance.org
cyberthreatalliance.org
https://cheatsheetseries.owasp.org/cheatsheets/LLM_Prompt_Injection_Prevention_Cheat_Sheet.html
cheatsheetseries.owasp.org
The Risks of Code Assistant LLMs: Harmful Content, Misuse and Deception Read at the source ↗
unit42.paloaltonetworks.com