Collaborate Disseminate
I understand, that mobile phone verification is probably the most convenient way to validate real users and avoid spam, but those "secure/private" messengers are afterward still bound to phone numbers, and this has inherent vulne… Continue reading Is there any way to de-link a secure messenger (Telegram/Signal/WhatsApp) from phone number?
I’ve read that, to generate a link preview, the Whatsapp client (perhaps) makes a GET request to the site which the sender types directly. What about other social medias/website/messaging applications, such as Telegram in particular.
Does… Continue reading Safety and implementation of Telegram Link Preview
I’m trying to be nice to my customers. I want them to be able to use my service without having to enter an e-mail address. However, I’ve been hunting myself for ages for any kind of "e-mail replacement" yet never found one. So I … Continue reading Is there some decentralized message system in actual use which I can offer as an alternative to entering an e-mail address? [closed]
The most popular messaging apps to date (e.g. telegram), even those that are "privacy by design" (e.g. signal, threema), are centralized.
What technical challenges prevent peer-to-peer (e.g. jami) or decentralized (e.g. blockchai… Continue reading What technical challenges prevent non-centralized messaging apps from servicing billions of users?
Assuming there is the following set up:
Alice sends the link of a message (privnote.com) via WhatsApp to Bob.
Could privnote be forced by authorities to forward the content of the message.
Do privnote even have that message?
I do not reall… Continue reading How secure is privnote? [closed]
Do modern governments really use steganography and image files for secure communication? I mean issuing plain email text jpeg format?
I am asking this because WhatsApp says it is end-to-end encrypted.
Are there any problems with sending a public key through WhatsApp?
There might be some objections to sending symmetric and private keys.
Under what circumstances can I … Continue reading Can I use WhatsApp to securely send public key, symmetric key and private key?
I want to build a group chat app where messages are transmitted and stored as securely as they can be, but where the message history is still visible after you or others in the group have changed devices. From my understanding, PFS isn’t p… Continue reading Group Instant Messaging: How to securely store messages on the backend while supporting cross-device message history in a group chat?
No company is completely insulated from the macroeconomic fallout of COVID-19, but we are seeing some companies fare better than others, especially those providing ways to collaborate online. Count Atlassian in that camp, as it provides a suite of tools focused on working smarter in a digital context. At a time when many employees are […] Continue reading A pandemic and recession won’t stop Atlassian’s SaaS push
Same question is asked for More secure to use e.g. Whatsapp Web in Franz than in browser? [closed].
On its answer it is said that:
No, Franz is not inherently more secure than a regular browser.
In an ordinary web application the impact o… Continue reading Is it secure to use services in Rambox?