Telegram is known as a privacy-focused secure messaging app because it markets itself that way. However, it is often criticized by security experts, privacy advocates, and people with common sense who can understand why its claims about being privacy-friendly don't make sense. In this brief article, I'll show you all
The NSA already has your social map from Apple, Google, Facebook/whatsapp, plus a hundred other sources you’ve given access to your contacts in the past decade.
Even if you’ve never used any of those, or given any app access to your contacts, 99% of your contacts have.