Signal is finally tightening its desktop client’s security by changing how it stores plain text encryption keys for the data store after downplaying the issue since 2018. As reported by BleepingComputer in 2018, when Signal Desktop for Windows or Mac is installed, it creates an encrypted SQLite database to store a user's messages. This database is encrypted using a key generated by the program and without input from the user. For a program to be able to decrypt an encrypted database and use it t...