O365 Defender

Question

Hello

Can i scan zip file with password attached and sent to my mailbox on o365 by O365 defender ATP?

Thanks

Answer 1

No. Defender would not be able to open the password protected attachment since the password is unknown to it

You can create a transport rule to block password protected messages if that a concern:
https://o365info.com/manage-e-mail-attachment-policy-in-office-365-part-4-of-4/

Answer 2

Hi @yasser Mohamed AbdelMoneim

Agree with Andy, Office 365 ATP can drill into archive (compressed) files (such as .zip files). Advanced Threat Protection
does not scan password protected archives or encrypted files. It does support container files (i.e.
archive, compression, special types) as long as they are not protected with a password.

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