Cross-domain solution

{{Original research|date=October 2009}}

{{Original research|date=October 2009}}

{{merge from|High Assurance Guard|date=March 2025}}

A '''cross-domain solution''' ('''CDS''') is an integrated [[information assurance]] system composed of specialized [[software]] or hardware that provides a controlled interface to manually or automatically enable and/or restrict the access or transfer of information between two or more [[Security domain|security domains]] based on a predetermined security policy.<ref>{{cite web |url=http://iase.disa.mil/cds/ |title=Cross Domain Enterprise Service (CDES) |date=2011-11-16 |work=Information Assurance Support Environment |publisher=Defense Information Systems Agency (DISA) |accessdate=2012-01-16 |url-status=dead |archiveurl=https://web.archive.org/web/20080326230421/http://iase.disa.mil/cds/ |archivedate=2008-03-26 }}</ref><ref>{{Cite web|last=|first=|date=Aug 25, 2020|title=Learn About Cross Domain Solutions|url=https://owlcyberdefense.com/learn-about-cross-domain-solutions/|url-status=live|archive-url=https://web.archive.org/web/20200921130317/https://owlcyberdefense.com/learn-about-cross-domain-solutions/ |archive-date=2020-09-21 |access-date=|website=Owl Cyber Defense}}</ref> CDSs are designed to enforce domain separation and typically include some form of content filtering, which is used to designate information that is unauthorized for transfer between security domains or levels of classification,<ref>{{cite web|title=Cloud Computing Strategy|url=http://apps.dtic.mil/dtic/tr/fulltext/u2/a563989.pdf|archive-url=https://web.archive.org/web/20160816162753/http://www.dtic.mil/dtic/tr/fulltext/u2/a563989.pdf|url-status=live|archive-date=August 16, 2016|website=DTIC.MIL}}</ref> such as between different military divisions, intelligence agencies, or other operations which depend on the timely sharing of potentially sensitive information.<ref>{{cite book|last1=Aristotle|first1=Jacob|url=http://dl.acm.org/citation.cfm?id=2378462|title=Cross-Domain Solution|date=April 2012 |publisher=Secut Press |isbn=978-613-6-31800-4 }}</ref>

A '''cross-domain solution''' ('''CDS''') is an integrated [[information assurance]] system composed of specialized [[software]] or hardware that provides a controlled interface to manually or automatically enable and/or restrict the access or transfer of information between two or more [[Security domain|security domains]] based on a predetermined security policy.<ref>{{cite web |url=http://iase.disa.mil/cds/ |title=Cross Domain Enterprise Service (CDES) |date=2011-11-16 |work=Information Assurance Support Environment |publisher=Defense Information Systems Agency (DISA) |accessdate=2012-01-16 |url-status=dead |archiveurl=https://web.archive.org/web/20080326230421/http://iase.disa.mil/cds/ |archivedate=2008-03-26 }}</ref><ref>{{Cite web|last=|first=|date=Aug 25, 2020|title=Learn About Cross Domain Solutions|url=https://owlcyberdefense.com/learn-about-cross-domain-solutions/|url-status=live|archive-url=https://web.archive.org/web/20200921130317/https://owlcyberdefense.com/learn-about-cross-domain-solutions/ |archive-date=2020-09-21 |access-date=|website=Owl Cyber Defense}}</ref> CDSs are designed to enforce domain separation and typically include some form of content filtering, which is used to designate information that is unauthorized for transfer between security domains or levels of classification,<ref>{{cite web|title=Cloud Computing Strategy|url=http://apps.dtic.mil/dtic/tr/fulltext/u2/a563989.pdf|archive-url=https://web.archive.org/web/20160816162753/http://www.dtic.mil/dtic/tr/fulltext/u2/a563989.pdf|url-status=live|archive-date=August 16, 2016|website=DTIC.MIL}}</ref> such as between different military divisions, intelligence agencies, or other operations which depend on the timely sharing of potentially sensitive information.<ref>{{cite book|last1=Aristotle|first1=Jacob|url=http://dl.acm.org/citation.cfm?id=2378462|title=Cross-Domain Solution|date=April 2012 |publisher=Secut Press |isbn=978-613-6-31800-4 }}</ref>