Signal the Secure Messaging App, Adds PIN Support in Profile By Techtonic group Signal is a WhatsApp-like messaging platform that focuses on privacy over any other features. We have compared it with WhatsApp before and also featured it in our list of the best offline messaging platform . Now, the developers have added another security feature that lets you add a PIN to a Signal account to move your profile across different devices in a hassle-free way. The developers added the PIN support to Signal accounts as a move to secure your profile from any unwanted users. According to reports, the feature is now available to all Signal users . Now, once you activate the feature, you will be able to add a unique PIN to your account. This will be exclusive to your account. You can also use the PIN to securely log in. The PIN contains a four-digit code or a string of alphanumeric characters. This will encrypt your settings, contacts, and profile informatio...