Because analysing network traffic wouldn’t allow an adversary to see what you’re sending with Signal, but they could still tell you’re sendig a secure message.
What the Guardian is doing is hiding that secure chat traffic inside the Guardian app, so packet sniffing would only show you’re accessing news.
Ulrich@feddit.org 10 months ago
How are they analyzing network traffic with Signal? It’s encrypted. And why does it matter if they know you’re sending a message? Literally everyone using Signal is sending a message.
papertowels@mander.xyz 10 months ago
Again, not my specialty, but signals end to end encryption is akin to sealing a letter. Nobody but the sender and the recipient can open that letter.
But you still gotta send it through the mail. That’s the network traffic analysis that can be used.
Here’s an example of why that could be bad.
DeathByBigSad@sh.itjust.works 10 months ago
Ulrich@feddit.org 10 months ago
It isn’t.
Diurnambule@jlai.lu 10 months ago
laquadrature.net/…/criminalization-of-encryption-…
For France, Your a terroriste if you use signal
eronth@lemmy.world 10 months ago
It’s a red flag to those who think you’re going to share internal info.
Natanael@infosec.pub 10 months ago
Timing of messages. They can’t tell what you send, but can tell when
Ulrich@feddit.org 10 months ago
No they can’t.
papertowels@mander.xyz 10 months ago
Here’s a relevant stack exchange question. Regarding what an ISP can learn. Of note, everybody is ceding that the ISP can tell you’re using signal, and they’ve moved on to whether or not they’d be able to fingerprint your usage patterns.
Natanael@infosec.pub 10 months ago
It’s called traffic analysis