Even if you have encrypted your traffic, it’s possible to use sophisticated AI to analyze the patterns of data packets going in and out of your device.

To fight this kind of attack, we have developed DAITA (Defense Against AI-guided Traffic Analysis).

Read more here: https://mullvad.net/vpn/daita

DAITA: Defense Against AI-guided Traffic Analysis

Even if you have encrypted your traffic with a VPN, advanced traffic analysis is a growing threat against your privacy. Therefore, we have developed DAITA – a feature available in our VPN app. Through constant packet sizes, random background traffic and data pattern distortion, we are taking the battle against AI-guided traffic analysis.

Mullvad VPN
@mullvadnet is this toggle able? seems like it could slow down, or increase data usage

@tay

Yes. DAITA is optional.

@mullvadnet Unfortunately, it doesn't work in Russia, but the vpn provider is cool.

@mullvadnet

Nice. I'm not a customer of yours, but I appreciate that you're injecting a few ideas into the discussion that might become commonplace.

@mullvadnet Shouldn't the encryption already make packet sizes aligned to some value? It is also shouldn't be visible where one file starts and ends. The packet max size is probably limited by MTU (8KB or lower). So, for an outsider encrypted traffic looks like endless sequence of random byte chunks. Browser downloads several files in parallel (like images or CSS) and their packets are interleaved in a single VPN connection.

Could somebody with deep UDP understanding explain what happens there?