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  1. Cryptography - Wikipedia

    Cryptography prior to the modern age was effectively synonymous with encryption, converting readable information (plaintext) to unintelligible nonsense text (ciphertext), which can only be …

  2. What Is Cryptography? | IBM

    Cryptography is the practice of developing and using coded algorithms to protect and obscure transmitted information so that it may only be read by those with the permission and ability to …

  3. Cryptography and its Types - GeeksforGeeks

    Aug 7, 2025 · Cryptography is a technique of securing information and communications using codes to ensure confidentiality, integrity and authentication. Thus, preventing unauthorized …

  4. ISO - What is cryptography?

    Cryptography is an important computer security tool that deals with techniques to store and transmit information in ways that prevent unauthorized access or interference.

  5. What is Cryptography? Importance, Types & Risks - SentinelOne

    Jul 16, 2025 · Cryptography is the process of ensuring secure communication and information protection by encoding messages in such a way that only the addressee it is intended for can …

  6. What is Cryptography? Definition, Importance, Types | Fortinet

    Cryptography is the process of hiding or coding information so that only the person a message was intended for can read it. The art of cryptography has been used to code messages for …

  7. Cryptography | Encryption, Security & Privacy | Britannica

    Sep 11, 2025 · Cryptography, Practice of the enciphering and deciphering of messages in secret code in order to render them unintelligible to all but the intended receiver. Cryptography may …