Popular Messenger Services – Such As WhatsApp, Signal, and Telegram – Are Extremely Insecure “WhatsApp, Signal & Co: Billions of users vulnerable to privacy attacks.” View More Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email Share on Pinterest (Opens in new window) Pinterest Share on Reddit (Opens in new window) Reddit Related Comments are closed.