this post was submitted on 29 Jul 2025
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Signal president Meredith Whittaker is prepared to withdraw the privacy-focused messaging app from Australia — saying she hopes it doesn’t become a “gangrenous foot” by poisoning its entire platform by forcing it to hand over its users’ encrypted data to authorities.

Ms Whittaker says Signal would take the “drastic step” of leaving any market where a government compelled it to create a “backdoor” to access its data, saying it would create a vulnerability that hackers and authoritative regimes could exploit, undermining Signals’ “reason for existing”.

Pressure has been mounting on Signal and other secure messaging platforms. ASIO director general Mike Burgess has urged tech companies to unlock encrypted messages to assist terrorism and national security investigations, saying offshore extremists use such platforms to communicate.

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[–] sunzu2@thebrainbin.org 3 points 1 day ago (14 children)

backdoor” to access its data,

Is this what tos for signal say? It is their data?

Hmmm

[–] 9tr6gyp3@lemmy.world 2 points 1 day ago (13 children)
[–] TimePencil@infosec.exchange 2 points 1 day ago (2 children)

@9tr6gyp3

There is NO back-door to Signal.

@signalapp is blind to all communications. (Including, probably, this toot! 🤪)

Signal itself does NOT know who has messaged whom, nor when, nor how (e.g. the IP address is NOT known.)

If Signal was subpoenaed to produce my records, they could produce:

  1. My phone number. (Actually, my number is the only way Signal could 'reference' my data.)
  2. The date I joined Signal.
  3. The date I was last active on Signal.
  4. (This one is a maybe...) The existence of secondary devices that I use - such as the Desktop app.

I'm *fairly* sure that is all of it.
(Please let me know if I'm wrong.)

@sunzu2

[–] sunzu2@thebrainbin.org 2 points 23 hours ago (1 children)

They likely keep the logs of IP addresses they can produce tbh

National Security laws would prevent them from disclosing this. This is just "natural" vulnerability along with a kyc'd sim card ;)

[–] TimePencil@infosec.exchange 4 points 21 hours ago (1 children)

@sunzu2

Nope and I was wrong.
@signalapp is only able to produce LESS information than I previously stated.

  1. The phone number (which will already be known by the relevant authority.)
  2. Last connection date.
  3. Account creation date.

That's it. Nothing else.
Signal does NOT log users' IP addresses.

See this for more information:
https://signal.org/bigbrother/santaclara/

@maniacalmanicmania @9tr6gyp3 @signalapp

[–] sunzu2@thebrainbin.org 1 points 12 hours ago (1 children)

Under National security laws if Signal is told to log and report, will log and report.

Sure it might exit smaller market, but if us told it to log, it will log.

In fact they force you to use a phone number BC phone is essentially KYC lite.

What you are saying is a trust me bro. From technical perspective signal can generate a heat man of who you are communicating and when. Store this info and turn it over.

That's the inherent defect when using centralized server infrastructure controlled by a company.

Go easy on the corpo kool aid and use some common sense.

SimpleX is trying to solve this issue but it ain't ready for main stream

[–] TimePencil@infosec.exchange 1 points 9 hours ago (1 children)

@sunzu2

To do the things you are suggesting that Signal could be forced to do, Signal would have to rewrite its entire codebase as well as the client apps.

Fortunately, Signal is open source, and such changes would be noticed.

As it stands, it doesn't matter what is demanded nor by whom as the only user data, including traffic analysis, that Signal can currently reveal is insignificant.

Signal simply cannot disclose data it itself cannot access.

Yes, decentralised services are preferable, but Signal has probably the easiest onboarding experience for the average user, especially those new to the concept of E2EE.

@maniacalmanicmania @9tr6gyp3 @signalapp

[–] sunzu2@thebrainbin.org 1 points 8 hours ago (1 children)

Signal simply cannot disclose data it itself cannot access

Signal can't log you pinging their servers?

[–] TimePencil@infosec.exchange 1 points 8 hours ago (1 children)

@sunzu2

Signal knows *when* a user wqs last connected, but not the IP address of that connection. The system has been specifically designed to minimise the meta data available for collection.

@maniacalmanicmania @9tr6gyp3 @signalapp

[–] sunzu2@thebrainbin.org 1 points 8 hours ago (1 children)

You repeating their propaganda, we are not talking about what they say they do, we are talking about what they can do.

They can log your activity that's the inherent weakness of signal along with forcing people to use KYCd phone mumbers.

[–] TimePencil@infosec.exchange 1 points 8 hours ago (1 children)

@sunzu2

Read the Affidavit produced here:
https://signal.org/bigbrother/santaclara/

Read Signal's complete source code here:
https://github.com/signalapp

Once you understand the code, you'll understand "what they can do" and what they cannot do.

When you've identified any flaw in the code that runs the Signal servers that would allow IP logging, let me know. I'll be glad to file the bug report on your behalf.

@maniacalmanicmania @9tr6gyp3 @signalapp

[–] sunzu2@thebrainbin.org 1 points 7 hours ago (1 children)

They don't need to log your IP, you are using a phone number tied to your identity so does person you are talking to.

Under FISA order, signal would provide logs. FISA order come with gag clause that forbids any disclosure including in federal court. That's how national security laws work.

I am happy that you are very comfortable with signal but pretending like this is not an issue is either naive or you have other incentives to give people false sense of "security"

[–] TimePencil@infosec.exchange 1 points 7 hours ago (1 children)

@sunzu2

"Under FISA order, signal would provide logs."

How would Signal do this? Logs of what?

Corresponding parties? Messages? They don't have them.

They'd have to rewrite their backend code to obtain them, and changes would also need to be made to the Signal client apps.

It would not matter if the FISA Court ordered that logs be produced in secret by Signal. Any such logs could not be obtained without significant changes to the way Signal works. Users would know.

Yes, Signal does have some shortcomings, but these are acceptable in most 'use cases' for most threat models.

Signal is best used as a private, E2EE alternative to SMS. Only a fool would use it for the *most sensitive* of communications. (Like, you know, discussing an impending military strike...)

We all know of the alternatives, including (but not limited to) SimpleX, Session, Briar, Element etc.

@maniacalmanicmania @9tr6gyp3 @signalapp

[–] sunzu2@thebrainbin.org 1 points 6 hours ago

Logs of who you contact with time stamps ie meta data. That's the information national security agencies really only care about when doing bulk data collection.

[–] 9tr6gyp3@lemmy.world 2 points 23 hours ago

I never claimed there was a backdoor...?

Your items 1, 2, 3 are data that Signal stores, as well as the encrypted blobs of our conversations.

Which means they have data, right?

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