GnuPG (GNU Privacy Guard)

GnuPG (GNU Privacy Guard) is an open-source software tool that helps you protect your digital privacy. It allows you to encrypt your emails and files so that only the intended recipient can read them. It also enables you to digitally sign messages to verify your identity and ensure they haven't been tampered with. Using cryptographic keys—unique digital locks and keys—you can securely communicate and store sensitive information. GnuPG is widely trusted for its security and privacy features, making it a popular choice for individuals and organizations seeking to safeguard their digital correspondence and data.