name: MNO
full_form: Mobile Network Operator
context: Threat #1 Description of attack: Original MNO refuses to assist in transferring M2M users to a new MNO that the subscriber has chosen. The original MNO could claim any motive, like having lost credentials for the actual user. The effect on the M2M subscriber is difficulty to smoothly change operator. Likelihood: 1 Impact: 2 Risk Level: 2 (minor) Countermeasures: 1. The M2M subscriber must have a tight contract with the MNO to force the current one to cooperate with the new one, when the subscriber wants to change operator. The contract may have clauses to protect the MNO as well. Only under agreed conditions shall MNO change be possible. A standard contract for the M2M area could be developed to support the M2M business area. Liability clauses can be part of the contract. Threat #2 Description: Original MNO attacks old subscribers after they have been transferred to new MNO. As the old MNO knows credentials like the subscriber key of the transferred subscriber, he is able to eavesdrop
description: A Mobile Network Operator (MNO) is a telecommunications company that provides wireless communication services to subscribers. In the context of 3GPP TS 33.812, an MNO plays a crucial role in managing user credentials and facilitating smooth transitions between operators.
explanation: The provided text describes an MNO as a telecommunications company responsible for managing user credentials and operator transitions. This clearly defines it as an organization within the telecommunications industry.
section_title: 6.1.2.5.1.3	Threats and Counter-Measures
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