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Assessment Title
Rule Text
Voice/Video/RTS devices located in SCIFs do not prevent on-hook audio pick-up and/or do not have a speakerphone feature disabled or are not implemented in accordance with DCID 6/9 or TSG Standard 2.
Description
Discussion Text
Requirement: In the event that a telephone instrument connected to an unclassified telecommunications system are placed within a Sensitive Compartmented Information Facility (SCIF), the IAO will ensure that the instrument is configured such that the instrument provides on-hook audio protection and that speakerphone audio pickup feature (microphone) is disabled or is nonexistent. (RE: Director of Central Intelligence Directive (DCID) 6/9 Annex G, Paragraphs 2.2.1, 2.2.1.1, 2.2.1.6, and Telecommunications Security Group (TSG) Standard 2)
All voice/video/RTS terminals or instruments present a potential risk to the security of areas where classified conversations are conducted. This is due to the ability of some phones to pick up room audio and transmitting it or sending it down the wire even when the phone is on hook. This ability is usually caused by poor design or malfunction in the hook switch circuitry. This is covered in TSG Standard 2. Additionally speakerphones in such areas may be activated by accident or surreptitiously. These vulnerabilities can affect the security or confidentiality of any conversation at any classification level. Of particular concern are those areas or rooms used for classified meetings, conversations, or work such as SCIFs. Additionally, VoIP systems in which the central call manager controls the telephone instrument, there is the potential of hijacking control of the instrument from somewhere else on the network. This potential vulnerability means that audio pickup might be activated clandestinely without the knowledge of the people near it. Speakerphones and push to talk handsets are covered in DCID 6/9
All voice/video/RTS terminals or instruments present a potential risk to the security of areas where classified conversations are conducted. This is due to the ability of some phones to pick up room audio and transmitting it or sending it down the wire even when the phone is on hook. This ability is usually caused by poor design or malfunction in the hook switch circuitry. This is covered in TSG Standard 2. Additionally speakerphones in such areas may be activated by accident or surreptitiously. These vulnerabilities can affect the security or confidentiality of any conversation at any classification level. Of particular concern are those areas or rooms used for classified meetings, conversations, or work such as SCIFs. Additionally, VoIP systems in which the central call manager controls the telephone instrument, there is the potential of hijacking control of the instrument from somewhere else on the network. This potential vulnerability means that audio pickup might be activated clandestinely without the knowledge of the people near it. Speakerphones and push to talk handsets are covered in DCID 6/9
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