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  1. Cryptography - Wikipedia

    Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1]), is the practice and …

  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? 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 …

  6. 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 …

  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 …

  8. What is cryptography? How algorithms keep information secret …

    May 22, 2022 · Cryptography is the art of keeping information secret and safe by transforming it into form that unintended recipients cannot understand. It makes secure data transmission …

  9. What is Cryptography? Definition, Types and Techniques

    Mar 13, 2024 · In computer science, cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based …

  10. Cryptography | NIST

    Cryptography uses mathematical techniques to transform data and prevent it from being read or tampered with by unauthorized parties. That enables exchanging secure messages even in …