Cryptographically is an important term in the world of computer security. It refers to the use of mathematical algorithms to ensure the confidentiality, integrity, and authenticity of data. In order to avoid repetitive use of this term, some synonyms that can be used include securely, secretly, privately, encoded, protected, encrypted, encoded, and scrambled. Each of these terms conveys the idea that information is being safeguarded against unauthorized access or tampering. Additionally, some other phrases or words to use instead might include secure communication or data protection, as these also convey the concept of information being kept private and secure through the use of cryptographic algorithms.