this post was submitted on 01 Apr 2026
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ArcaneChat Forum

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ArcaneChat is a private and secure messenger focused on privacy and friendly user experience.

ArcaneChat is a Delta Chat client and it is compatible with other Delta Chat clients.

Learn more at: https://arcanechat.me/

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I have a question for the #DeltaChat crowd: What if someone has a quick access to one of my devices, let's say I forget to lock my phone or laptop and an attacker adds their phone as a secondary (eldritch.cafe)
submitted 5 days ago by lou_de_sel@eldritch.cafe to c/ArcaneChat@lemmy.ml
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I have a question for the #DeltaChat crowd: What if someone has a quick access to one of my devices, let's say I forget to lock my phone or laptop and an attacker adds their phone as a secondary device to my profile. Is there any mitigation possible? Could I realize it? Could I disable their access?

Cc @delta @ArcaneChat

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[–] lou_de_sel@eldritch.cafe 0 points 5 days ago (1 children)

@INeedMana yeah I know it's a serious security breach but I'm not thinking about big time attacker but someone like a partner in a toxic or abusive relationship, or a treasonous friend.

Someone who you unknowingly trust but has not really the means to install a rootkit. Just open Delta chat, flash the QR code and put the phone back down.

Someone doing that with Signal/Molly or would eventually get caught or at least blocked next time I review my devices list. But that can't happen with deltachat ?

[–] INeedMana@piefed.zip 1 points 5 days ago* (last edited 5 days ago)

I've only found this

EDIT: and this. Maybe there is some app locker on f-droid for older androids