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Our mail filter inspected zip files even if you renamed them to .txt or jpg, and if it couldn't check the contents because of encryption it would just delete th
by mrgoldenbrown 2y ago
Our mail filter inspected zip files even if you renamed them to .txt or jpg, and if it couldn't check the contents because of encryption it would just delete the whole zip. It would also look for data that might be PCI related and flag that as well.
- userbinator 2y agoThat's when you start using the steganography.
- kccqzy 2y agoAnother thing I've heard of is that commonly people include the password for the encrypted zip inside the email, so email filters have learned to try to decrypt the zip using every single word in the original email.
- srockets 2y agoThen I wouldn’t dare emailing a zip bomb with a message containing the password and an instruction not to try and unzip that file.
- consp 2y agoAnother good reason to always send the passphrase via another channel.
- nkrisc 2y agoUse a space in your password.
- kccqzy 2y agoThis is an also a good strategy to prevent a good chunk of actual users from decrypting the zip.