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Data collected by Telegram that could be linked to you includes your name, phone number, contact list and user ID. While it doesn't collect as much data as WhatsApp, it also doesn't offer encrypted group calls like WhatsApp, nor as much user data privacy and company transparency as Signal. Telegram falls somewhere in the middle of the privacy scale, and it stands apart from other messenger apps because of its efforts to create a social network-style environment.

Think of it like the herd immunity created by vaccines, but for your messaging privacy. Sending an encrypted Signal message is great, but if your recipient isn't using Signal, then your privacy may be nil. The Guardian, The Washington Post, The New York Times (which also recommends WhatsApp) and The Wall Street Journal all recommend using Signal to contact their reporters safely.įor years, the core privacy challenge for Signal lay not in its technology but in its wider adoption. Occasional bugs have proven that the tech is far from bulletproof, of course, but the overall arc of Signal's reputation and results have kept it at the top of every privacy-savvy person's list of identity protection tools. And beyond its encryption prowess, it gives you extended, onscreen privacy options, including app-specific locks, blank notification pop-ups, face-blurring antisurveillance tools and disappearing messages. When it comes to privacy, it's hard to beat Signal's offer. For a deeper dive into the potential pitfalls and limitations of encrypted messaging apps, CNET's Laura Hautala's explainer is a life-saver. Signal's main function is that it can send - to either an individual or a group - fully encrypted text, video, audio and picture messages, after verifying your phone number and letting you independently verify other Signal users' identity. It's an open-source development provided free of charge by the nonprofit Signal Foundation and has been famously used for years by high-profile privacy icons like Edward Snowden. Signal is a typical one-tap install app that can be found in your normal marketplaces like Google Play and Apple's App Store and works just like the usual text-messaging app.