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Dear Experts,
We are using a Sophos XG 3100 hardware firewall, and our users access the internet from behind this firewall. We have already implemented URL filtering and application control policies.
As users require access to ChatGPT, we have allowed it through the firewall and have conducted awareness sessions to educate them on responsible usage. However, we believe it would be better to restrict the ability to upload files through the ChatGPT interface to prevent potential data leakage.
please advise if it is technically feasible to block file uploads to ChatGPT using Sophos XG 3100, and how this can be achieved.
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I would think it is along the line of custom web policy using chatgpt url, firewall rules for the web policy and add in apps filter on blokcing browser based to the rule
https://support.sophos.com/support/s/article/KBA-000004747?language=en_US
Below is on app filter to block browser uploads based on url






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Security
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Questions
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Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection. Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.