Cryptography is essential for organizations as it safeguards sensitive data from unauthorized access, ensuring privacy and confidentiality by encrypting messages. Encrypting sensitive data upholds privacy in communications and aligns with stringent security measures often observed in secure messaging apps. Cryptography allows authentication, confirms the legitimacy of messages, and detects tampering during storage or transmission. Further, cryptography maintains the integrity of the data through techniques such as digital signatures, which are crucial in the validation of financial transactions.