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Guide to Bluetooth Security



John Padgette, John Bahr, Mayank Batra, Marcel Holtmann, Rhonda Smithbey, Lidong Chen, Karen Scarfone


Bluetooth wireless technology is an open standard for short-range radio frequency communication used primarily to establish wireless personal area networks (WPANs), and has been integrated into many types of business and consumer devices. This publication provides information on the security capabilities of Bluetooth and gives recommendations to organizations employing Bluetooth wireless technologies on securing them effectively. The Bluetooth versions within the scope of this publication are versions 1.1, 1.2, 2.0 + Enhanced Data Rate (EDR), 2.1 + EDR, 3.0 + High Speed (HS), 4.0, 4.1, and 4.2. Versions 4.0 and later support the low energy feature of Bluetooth. [Supersedes SP 800-121 Rev. 1 (June 2012): publication-search.cfm?pub_id=911133]
Special Publication (NIST SP) - 800-121 Rev 2
Report Number
800-121 Rev 2


Bluetooth, information security, network security, wireless networking, wireless personal area networks


Padgette, J. , Bahr, J. , Batra, M. , Holtmann, M. , Smithbey, R. , Chen, L. and Scarfone, K. (2017), Guide to Bluetooth Security, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed May 24, 2024)


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Created May 7, 2017, Updated October 12, 2021