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Submitted URL: https://learn.cisecurity.org/e/799323/tlp/4t3zm7/1122485985?h=QMBjvr0vkpB2mbIBMLuCj-CK_sUsKeS__aKDF9ZP084
Effective URL: https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage
Submission: On August 09 via api from US — Scanned from DE
Effective URL: https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage
Submission: On August 09 via api from US — Scanned from DE
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Skip to main content An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Cybersecurity & Infrastructure Security Agency America's Cyber Defense Agency Search × search Menu Close × search * Topics Topics Cybersecurity Best Practices Cyber Threats and Advisories Critical Infrastructure Security and Resilience Election Security Emergency Communications Industrial Control Systems Information and Communications Technology Supply Chain Security Partnerships and Collaboration Physical Security Risk Management How can we help? GovernmentEducational InstitutionsIndustryState, Local, Tribal, and TerritorialIndividuals and FamiliesSmall and Medium BusinessesFind Help Locally * Spotlight * Resources & Tools Resources & Tools All Resources & Tools Services Programs Resources Training Groups * News & Events News & Events News Events Cybersecurity Alerts & Advisories Directives Request a CISA Speaker Congressional Testimony * Careers Careers Benefits & Perks HireVue Applicant Reasonable Accommodations Process Hiring Resume & Application Tips Students & Recent Graduates Veteran and Military Spouses Work @ CISA * About About Culture Divisions & Offices Regions Leadership Doing Business with CISA Contact Us Site Links Reporting Employee and Contractor Misconduct CISA GitHub Report a Cyber Issue America's Cyber Defense Agency Breadcrumb 1. Home 2. News & Events 3. News Share: Blog TRAFFIC LIGHT PROTOCOL (TLP) DEFINITIONS AND USAGE Released August 16, 2022 Revised August 22, 2022 Related topics: Cyber Threats and Advisories On November 1, 2022, CISA officially adopted FIRST Standard Definitions and Usage Guidance - Version 2.0 and will update this page to reflect the new version. See CISA's TLP 2.0 User Guide and TLP: Moving to Version 2.0 Fact Sheet for details. INTRODUCTION The Traffic Light Protocol (TLP) was created in order to facilitate greater sharing of information. TLP is a set of designations used to ensure that sensitive information is shared with the appropriate audience. It employs four colors to indicate expected sharing boundaries to be applied by the recipient(s). TLP only has four colors; any designations not listed in this standard are not considered valid by FIRST. TLP provides a simple and intuitive schema for indicating when and how sensitive information can be shared, facilitating more frequent and effective collaboration. TLP is not a "control marking" or classification scheme. TLP was not designed to handle licensing terms, handling and encryption rules, and restrictions on action or instrumentation of information. TLP labels and their definitions are not intended to have any effect on freedom of information or "sunshine" laws in any jurisdiction. TLP is optimized for ease of adoption, human readability and person-to-person sharing; it may be used in automated sharing exchanges but is not optimized for that use. TLP is distinct from the Chatham House Rule (when a meeting, or part thereof, is held under the Chatham House Rule, participants are free to use the information received, but neither the identity nor the affiliation of the speaker(s), nor that of any other participant, may be revealed.), but may be used in conjunction if it is deemed appropriate by participants in an information exchange. The source is responsible for ensuring that recipients of TLP information understand and can follow TLP sharing guidance. If a recipient needs to share the information more widely than indicated by the original TLP designation, they must obtain explicit permission from the original source. DEFINITIONS TLP: RED Not for disclosure, restricted to participants only. TLP: AMBER+STRICT Limited disclosure, restricted to participants’ organization. TLP: AMBER Limited disclosure, restricted to participants’ organization and its clients (see Terminology Definitions). TLP: GREEN Limited disclosure, restricted to the community. TLP: CLEAR Disclosure is not limited. TLP:RED When should it be used? 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. For the eyes and ears of individual recipients only, no further. How should it be shared? Recipients may not share TLP:RED information with any parties outside of the specific exchange, meeting, or conversation in which it was originally disclosed. In the context of a meeting, for example, TLP:RED information is limited to those present at the meeting. In most circumstances, TLP:RED should be exchanged verbally or in person. TLP:AMBER+STRICT When should it be used? Sources may use TLP:AMBER+STRICT when information requires support to be effectively acted upon, yet carries risk to privacy, reputation, or operations if shared outside of the organization. How should it be shared? Recipients may share TLP:AMBER+STRICT information only with members of their own organization on a need-to-know basis to protect their organization and prevent further harm. TLP:AMBER When should it be used? Sources may use TLP:AMBER when information requires support to be effectively acted upon, yet carries risk to privacy, reputation, or operations if shared outside of the organizations involved. Note that TLP:AMBER+STRICT should be used to restrict sharing to the recipient organization only. How should it be shared? Recipients may share TLP:AMBER information with members of their own organization and its clients on a need-to-know basis to protect their organization and its clients and prevent further harm. TLP:GREEN When should it be used? Sources may use TLP:GREEN when information is useful to increase awareness within their wider community. How should it be shared? Recipients may share TLP:GREEN information with peers and partner organizations within their community, but not via publicly accessible channels. Unless otherwise specified, TLP:GREEN information may not be shared outside of the cybersecurity or cyber defense community. TLP:CLEAR When should it be used? 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. How should it be shared? Recipients may share this information without restriction. Information is subject to standard copyright rules. OTHER USAGE HOW TO USE TLP IN EMAIL TLP-designated email correspondence should indicate the TLP color of the information in the Subject line and in the body of the email, prior to the designated information itself. The TLP color must be in capital letters: TLP:RED, TLP:AMBER, TLP:GREEN, or TLP:CLEAR. HOW TO USE TLP IN DOCUMENTS TLP-designated documents should indicate the TLP color of the information in the header and footer of each page. To avoid confusion with existing control marking schemes, it is advisable to right-justify TLP designations. The TLP color should appear in capital letters and in 12 pt type or greater. RGB: TLP:RED : R=255, G=0, B=51, background: R=0, G=0, B=0 TLP:AMBER : R=255, G=192, B=0, background: R=0, G=0, B=0 TLP:GREEN : R=51, G=255, B=0, background: R=0, G=0, B=0 TLP:CLEAR : R=255, G=255, B=255, background: R=0, G=0, B=0 CMYK: TLP:RED : C=0, M=100, Y=79, K=0, background: C=0, M=0, Y=0, K=100 TLP:AMBER : C=0, M=25, Y=100, K=0, background: C=0, M=0, Y=0, K=100 TLP:GREEN : C=79, M=0, Y=100, K=0, background: C=0, M=0, Y=0, K=100 TLP:CLEAR : C=0, M=0, Y=0, K=0, background: C=0, M=0, Y=0, K=100 RESOURCES TLP 2.0 FACT SHEET NOV 01, 2022 | Download File (PDF, 298.15 KB) TLP 2.0 USER GUIDE NOV 01, 2022 | Download File (PDF, 449.13 KB) CISA UPGRADES TO TLP 2.0 NOV 01, 2022 | ALERT RELATED ARTICLES Aug 08, 2023 Blog CISA RECOGNIZES MARK BUCHHOLZ DURING BI-ANNUAL SAFECOM MEETING Aug 08, 2023 Blog CISA AND FEMA PARTNER TO PROVIDE $374.9 MILLION IN GRANTS TO BOLSTER STATE AND LOCAL CYBERSECURITY Aug 04, 2023 Blog CISA CYBERSECURITY STRATEGIC PLAN: SHIFTING THE ARC OF NATIONAL RISK TO CREATE A SAFER FUTURE Aug 03, 2023 Blog A CALL TO ACTION: BOLSTER UEFI CYBERSECURITY NOW Return to top * Topics * Spotlight * Resources & Tools * News & Events * Careers * About Cybersecurity & Infrastructure Security Agency * Facebook * Twitter * LinkedIn * YouTube * Instagram * RSS CISA Central 888-282-0870 Central@cisa.dhs.gov(link sends email) DHS Seal CISA.gov An official website of the U.S. Department of Homeland Security * About CISA * Accessibility * Budget and Performance * DHS.gov * FOIA Requests * No FEAR Act * Office of Inspector General * Privacy Policy * Subscribe * The White House * USA.gov * Website Feedback