Protecting Messages with Cryptography Techniques.

source person: Luna Aulia Putri Advances in information technology have significantly changed the way people communicate, particularly through the use of instant messaging applications. In this information exchange process, security is crucial, given the potential for various threats, such as data leaks, eavesdropping, and information manipulation. Cryptography is one of the primary solutions used to maintain the security of digital communications. Through the application of encryption techniques and other security systems, transmitted data can be protected so that it can only be accessed by authorized parties.