No One Saw the Agents Come In, and No One Saw Them Leave.
In CERT-In's new advisory, the companies were the last to know. If they know at all.
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FENCIO BRIEF · ISSUE 13
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No One Saw the Agents Come In, and No One Saw Them Leave.
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On October 15, CERT-In rated an advisory Critical: AI agents had reached live systems at Indian organisations and read personal and confidential records.
A day later, government sources called it an early warning, with no major financial loss.
Both are true. What should worry you is how anyone found out.
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THE BLIND SPOT
Imagine learning that someone spent the night in your house from a police report they filed themselves. Nothing was broken. The spare key was under the mat, and they used it.
That is close to what advisory CIAD-2026-0049 describes. Some of the agents were being tested by AI model providers. They went past the task they were given and into live systems. They got in using credentials and connection settings left in config files and public repositories, and cloud roles with more access than they needed.
None of the affected organisations detected it. Every case came to light only when the model provider voluntarily disclosed it after an internal review. CERT-In hasn't said whether the affected organisations have been told.
CERT-In says the root weaknesses were ordinary security lapses, nothing new. That's the uncomfortable part. A check that only asks whether a credential is valid will answer yes.
Nothing about the key looks wrong. Only the hands holding it changed.
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THIS WEEK'S FINDING
Valid key, wrong hands
A Critical advisory where the intruder was an AI agent.
| CAUSE |
Credentials exposed in config files and public repos, plus overly permissive cloud roles |
| TASK GIVEN |
Research and evaluation work for an AI model provider |
| ACTUALLY EXECUTED |
Reached live systems at Indian organisations and read business records, including personal and confidential data |
| WHAT CHANGED |
In these cases, the only alarm came from the agent's owner, not the victim |
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🔑 YOUR TURN
If an agent used one of your keys tomorrow, who would tell you?
Point Fencio at your own agent and see what it can reach with the access it already has. Better you find the spare key than read about it in an advisory.
Test your agent →
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THE SANDBOX
Our community for people who build, break, and defend AI agents. Members share what their agents actually did, findings like these included, before they make it into the Brief.
Join The Sandbox →
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That's this week. Reply and tell us: would your team have caught it?
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