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Shadow AI: When employees secretly use bots at the office and company data ends up on the internet

Cybersecurity Author: Cristi Nefiru

Your employees want to be productive. They want to write emails faster, translate documents instantly and summarize long reports. So they turn to their digital friend: Artificial Intelligence. But do you know which tools they use when you are not looking?

The phenomenon is called Shadow AI. It refers to the unofficial use, not approved by the IT department, of applications such as ChatGPT, Claude or various online PDF editing tools. At Altanet Craiova we see more and more often in the business environment how employees' good intentions turn into security nightmares for companies.

What is Shadow AI and why is it so risky?

The term comes from the classic "Shadow IT" (when employees installed unauthorized software). The difference is that now the risk is no longer a virus, but information leakage. Shadow AI appears when an employee, wanting to finish the job faster, creates a personal account on an AI platform and uses it for work tasks.

The major problem? Most free AI tools "learn" from the data they receive. If your employee uploads a list of the company's customers or a confidential contract to have the robot "tidy it up", that information leaves your secure server and ends up in the AI's public database.

The classic data leak scenario

Here is how it happens, without anyone acting maliciously:

  • The hurried programmer: Copies a piece of proprietary source code into ChatGPT and asks: "Find the error in this code". The company's code is now stored externally.
  • The efficient HR person: Uploads candidates' CVs into a free "AI Summarizer" to extract the essential data. Personal data (GDPR) is compromised.
  • Sales: They enter next year's pricing strategy into the AI to get a marketing opinion. Competitors could, in theory, access this data if the AI uses it for training.

How do you manage the phenomenon? A ban is not the solution

Blocking access to ChatGPT will not work. Employees will use their personal phones on mobile data. The solution is control and education:

  • Offer safe alternatives (Enterprise): Buy "Enterprise" licenses for AI tools (such as Copilot for Microsoft 365 or ChatGPT Enterprise). These versions contractually guarantee that your data is NOT used to train the robot and stays private.
  • Set a clear usage policy: Tell employees clearly: "You may use AI for ideas and structure, but you may NOT enter names, amounts, codes or identification data".
  • Data anonymization: Teach them to replace "Company X SRL" with "Company A" and "Profit 1 million" with "Profit Z" before talking to the robot.

To understand the scale of the phenomenon and the exact definitions, you can consult the complete guide from IBM on what Shadow AI means and its risks.

Conclusion

Shadow AI will not go away. Employees will always look for the fastest way. Your job, as a manager, is to pave that road with safe tools, not to put up barriers they will jump over anyway.

Do you want to implement an AI security policy in your company or do you need licensed and secure software solutions? Our team offers consulting and IT services for the business environment. Visit our contact page and let's turn the risk into an advantage.


This material is part of the Altanet educational series on digital safety. Want to know what other risks you are exposed to this year? See the Complete list of cyber threats in 2026.

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