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Definition[]

Cybercrime[]

Under the Computer Fraud and Abuse Act (CFAA), unauthorized access (to stored wire or electronic communications) means:

(1) intentionally accesses without authorization a facility through which an electronic communication service is provided; or
(2) intentionally exceeds an authorization to access that facility; and thereby obtains, alters, or prevents authorized access to a wire or electronic communication while it is in electronic storage in such system. . . ."[1]

General[]

Unauthorized access refers to someone

gaining logical or physical access without permission to a computer network, system, application software, data, or other resource.[2]
[who] gains logical or physical access without permission to a Federal agency network, system, application, data or other resource.

Unauthorized access

Network[]

Unauthorized access is

[a]ny access to an information system or network that violates the owner or operator's stated security policy.[5]

U.S. government[]

Unauthorized access refers to someone

[who] gains logical or physical access without permission to a Federal agency network, system, application, data or other resource.[6]

References[]

  1. 18 U.S.C. §2701(a).
  2. NIST Special Publication 800-61.
  3. NICCS, Explore Terms: A Glossary of Common Cybersecurity Terminology (full-text).
  4. FIPS 191.
  5. ICS-CERT, Common Cyber Security Language (full-text).
  6. Executive Office of the President, "Annual Report to Congress: Federal information Security Management Act" 15 (Office of Management and Budget) (Feb. 27, 2015) (full-text).

See also[]

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