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AC-04 [H] Information Flow Enforcement
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Standard - AC-04(04) [H] Flow Control of Encrypted Information
+AC-04(04) [H] Flow Control of Encrypted Information
AC-04(04) [H] Flow Control of Encrypted Information
Control
Prevent encrypted information from bypassing [Assignement: information flow control mechanisms] by [Selection(one-or-more): decrypting the information; blocking the flow of the encrypted information; terminating communications sessions attempting to pass encrypted information; {{ insert: param, ac-04.04_odp.03 }} ].
Discussion
Flow control mechanisms include content checking, security policy filters, and data type identifiers. The term encryption is extended to cover encoded data not recognized by filtering mechanisms.
Assessment Objective
encrypted information is prevented from bypassing [Assignement: information flow control mechanisms] by [Selection(one-or-more): decrypting the information; blocking the flow of the encrypted information; terminating communications sessions attempting to pass encrypted information; {{ insert: param, ac-04.04_odp.03 }} ].
Assessment Method
Examine
Access control policy information flow control policies procedures addressing information flow enforcement system design documentation system configuration settings and associated documentation system audit records system security plan other relevant documents or records
Interview
System/network administrators organizational personnel with information security responsibilities system developers
1. Pregled
Naslov
Standard
1.1 Sklici
1.2 Ugotovljene zahteve
1.3 Povezani predpisi
2. Ugotovljene zahteve
Zahteve
Vir
Zahteva
3. Povezani predpisi
Predpisi
Vir
Regulativa
Povezane zadeve
Povezave
Vrsta povezave
Zadeva
is blocked by
AC-04(04) [H] Flow Control of Encrypted Information – Assessment Procedure
is blocked by
Content Check for Encrypted Data
NIST
-
https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final