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  2. Security level - Wikipedia

    en.wikipedia.org/wiki/Security_level

    In cryptography, security level is a measure of the strength that a cryptographic primitive — such as a cipher or hash function — achieves. Security level is usually expressed as a number of "bits of security" (also security strength), [1] where n-bit security means that the attacker would have to perform 2 n operations to break it, [2] but other methods have been proposed that more ...

  3. Security information and event management - Wikipedia

    en.wikipedia.org/wiki/Security_information_and...

    Published in September 2006, the NIST SP 800-92 Guide to Computer Security Log Management serves as a key document within the NIST Risk Management Framework to guide what should be auditable. As indicated by the absence of the term "SIEM", the document was released before the widespread adoption of SIEM technologies.

  4. Block cipher mode of operation - Wikipedia

    en.wikipedia.org/wiki/Block_cipher_mode_of_operation

    (NIST SP800-38A). I.e. 1-bit loss in a 128-bit-wide block cipher like AES will render 129 invalid bits before emitting valid bits. CFB may also self synchronize in some special cases other than those specified. For example, a one bit change in CFB-128 with an underlying 128 bit block cipher, will re-synchronize after two blocks.

  5. NIST Special Publication 800-53 - Wikipedia

    en.wikipedia.org/.../NIST_Special_Publication_800-53

    NIST Special Publication 800-53 is an information security standard that provides a catalog of privacy and security controls for information systems.Originally intended for U.S. federal agencies except those related to national security, since the 5th revision it is a standard for general usage.

  6. NIST Cybersecurity Framework - Wikipedia

    en.wikipedia.org/wiki/NIST_Cybersecurity_Framework

    NIST Version 1.1. The NIST Cybersecurity Framework organizes its "core" material into five "functions" which are subdivided into a total of 23 "categories". For each category, it defines a number of subcategories of cybersecurity outcomes and security controls, with 108 subcategories in all.

  7. List of x86 cryptographic instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_x86_cryptographic...

    The implicit operand in XMM0 specifies a 128-bit integrity key. EAX contains flags controlling operation of instruction. [ a ] After being loaded, the IWKey cannot be directly read from software, but is used for the key wrapping done by ENCODEKEY128/256 and checked by the Key Locker encode/decode instructions.

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