Traffic Light Protocol

Traffic Light Protocol: rules adopted to classify confidentiality of information and limitation on sharing the tagged information.

Color¹	When shall it be used?	How may it be shared?
RED	Sources may use TLP: RED when information cannot be effectively acted upon without significant risk for the privacy, reputation, or operations of the organizations involved.	Recipients are not allowed to share TLP: RED information with any parties outside of the specific exchange, meeting, or conversation in which it is originally disclosed.
AMBER + STRICT	Sources may use TLP: AMBER + STRICT when information requires support to be effectively acted upon, but carries risks to privacy, reputation, or operations if shared outside of the organizations involved. If the source wants to restrict sharing to the organization only, they must specify TLP: AMBER+STRICT.	Recipients may share TLP: AMBER + STRICT information with members of their own organization² only.
AMBER	Sources may use TLP: AMBER when information requires support to be effectively acted upon, but carries risks to privacy, reputation, or operations if shared outside of the organizations involved.	Recipients may share TLP: AMBER information with members of their own organization² and its clients³, but only on a need-to-know basis to protect their organization and its clients and prevent further harm.
GREEN	Sources may use TLP: GREEN when information is useful for the awareness of all participating organizations as well as with peers within the broader community or sector.	Recipients are allowed to share TLP: GREEN information with peers and partner organizations within their sector or community, but not via publicly accessible channels.
CLEAR	Sources may use TLP: CLEAR when information carries minimal or no foreseeable risk of misuse, in accordance with applicable rules and procedures for public release.	TLP: CLEAR information can be distributed without restriction, subject to copyright controls.

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