Poison PIN: In addition to a normal unlock PIN, users can set a poison PIN that when entered has a variety of user-selectable effects.Deactivate any time you like, or stall for the five required minutes for it to trigger. If you’re going to a protest, or have been “randomly” selected for additional screening or questioning, you can just tell the app to delete itself after a certain duration (as little as a minute perhaps) or at a certain time of the day. Self-destruct timer: Like Telegram’s feature, but better.This would let, for instance, a friend who knows you’ve been arrested remotely remove any sensitive data from your device. Trusted remote deletion: Selected contacts are given the ability via a one-time code or other method to wipe each other’s accounts or chats remotely, no questions asked and no notification created.Here are a couple options that could work: Whatever the case, there need to be options for a user to delete their account outside the ordinary means. This could be a case of device seizure by police, or perhaps being forced to unlock the phone after you have been arrested. What really needs improvement is emergency deletion when your phone is no longer in your control. Telegram does have self-destructing accounts, but the shortest time you can delete after is a month. But perhaps there’s a middle road whereby you can temporarily lock it for a preset time period, after which it deletes itself if not unlocked manually. Obviously it’s also important that these apps don’t let users accidentally and irreversibly delete their account. You’ll need to enter your number in WhatsApp (right) and Telegram. That’s effective against “Apple pickers” trying to steal a phone or during border or police stops where you don’t want to show ownership by unlocking the phone with your face. There are already some dedicated “panic button” type apps, and Apple has thoughtfully developed an “emergency mode” (activated by hitting the power button five times quickly) that locks the phone to biometrics and will wipe it if it is not unlocked within a certain period of time. Secure messaging apps should be the vanguard of this capability. Just as you should be able to choose exactly what you say to police, you should be able to choose how much your phone can say as well. For groups under threat from oppressive government regimes it could be a disaster if the contents or contacts from any of these were revealed to the police. But it could just as easily be a Slack room for organizing a protest, or a Facebook group, or anything else. This particular protestor ran a Telegram channel that had a number of followers. Could you please add an option such that channel subscribers cannot be seen under extreme circumstances? Much appreciate. An HK citizen who runs a Telegram channel detained by the police was forced to unlock his phone and reveal his channel followers.
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