This document is a seminar report on Bluetooth network security submitted in partial fulfillment of a Bachelor of Technology degree. It discusses Bluetooth technology, including its architecture and classes/ranges. It covers security aspects at the link and application layers and tools that can be used to attack Bluetooth networks, like Bluejacking and Bluesnarfing. It also lists advantages like low cost and wireless capability, disadvantages like short range and hackability. Applications discussed include wireless headphones, mobile device connectivity, and medical sensors.

1. A SEMINAR REPORT
ON
“BLUETOOTH NETWORK SECURITY”
Is submitted to
Jawaharlal Nehru Technological University, Anantapururam
In partial fulfillment of
The requirements for the award of the degree of
BACHELOR OF TECHNOLOGY
In
ELECTRONICS AND COMMUNICATION ENGINEERING
Submitted By
NAME: V.R.SREEKANTH RAO REG NO:149F1A0461
Under the Co-Ordination of
C. MURALI MOHAN M.Tech,Ph.D Dr. N.A.V.PRASAD M.Tech,Ph.D
Associate Professor, ECE Dept. Professor and HOD, ECE Dept.
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
SRI VENKATESWARA INSTITUTE OF TECHNOLGY
(Affiliated to J.N.T.UNIVERSITY, ANANTAPUR)
NH-44, HAMPAPURAM, ANANTAPURURAM - 515 722
2018

2. BLUETOOTH NETWORK SECURITY
SUBMITTED BY
V.R SREEKANTH RAO
149F1A0461
DEPT. OF ECE
SVIT

3. CONTENTS
o INTRODUCTION
o ABOUT BLUETOOTH
o BLUETOOTH NETWORKS
o BLUETOOTH ARCHITECTURE
o SECURITY ASPECTS IN BLUETOOTH
o ATTACKING TOOLS OR TRICKS
o ATTACKING SOFTWARE
o ADVANTAGES
o DISADVANTAGES
o APPLICATIONS
o REFERENCES

4. INTRODUCTION
o Wireless communications offer
organizations and users many benefits.
o Bluetooth is managed by the Bluetooth
Special Interest Group (SIG)
o Founded in year 1998.

5. ABOUT BLUETOOTH
o Bluetooth is a wireless LAN technology
Bluetooth specification is:
o The 802.11 WLAN standards.
o Using 2.4 GHz--2.4835 GHz
o Frequency-hopping spread-spectrum (FHSS) technology to
solve interference problems.
o Transmission speeds up to 1 Mbps.

6. Bluetooth Classes and Ranges
CLASS Range (in mts)
Class 1 ~100m
Class 2 ~10m
Class 3 ~1m

7. BLUETOOTH NETWORKS
Bluetooth devices can form three types of networks:
Point to Point Link

8. Piconet Network

9. Ad-hoc or Scatternet Network

10. BLUETOOTH ARCHITECTURE

11. SECURITY ASPECTS IN BLUETOOTH
The Bluetooth-system provide security at two level-
1)At Link layer
o Four different entities are used for maintaining
security at the link layer.
Entity Size
BD_ADDR 48 bits
Private user key, Authentication 128 bits
Private user key, encryption configurable length (Byte
wise)
8-128 bits
RAND 128 bits

12. 2)At Application layer

13. ATTACKING TOOLS OR TRICKS
o Blue jacking
o OBEX Push
o Blue snarfing
o Hello Moto
o Blue bugging
o DOS (Denial of service) Attacks
o Long Distance Attacking (Blue Sniper)
o Blueprinting

14. ATTACKING SOFTWARE
For Discovering Bluetooth Devices
o Blue Scanner
o Blue Sniff
o BT Browser
o BT Crawler
FOR HACKING BLUETOOTH DEVICES:
o Blue Bugger
o CIHWB
o Blue diving
o Blue snarfer
o BT crack
o Blooover II
o Blue Test
o BT Audit

15. ADVANTAGES
o It is cheap.
o Easy to install.
o It makes connecting to different devices convenient .
o It is wireless.
o It is free to use if the device is installed with it.

16. DISADVANTAGES
o It can be hacked.
o If installed on a cell phone it is prone to receiving cell
phone viruses.
o It only allows short range communication between
devices.
o It can only connect two devices at once.
o It can lose connection in certain conditions.

17. APPLICATION
o Wireless communication between a mobile phone
and a hands free headset. This was one of the
earliest applications to become popular.
o Wireless communication with iOS and Android
device phones, tablets and portable wireless
speakers.
o Wireless communication with PC input and output
devices, the most common being
the mouse, keyboard and printer.
o Short-range transmission of health sensor data
from medical devices to mobile phone.

18. REFERENCES
o 1.Data Communication and Networking, 4th edition, Behrouz A
Forouzan.
o 2.http://trifinite.org
o 3.http://en.wikipedia.org/wiki/Bluetooth/
o 4.Wireless Network Security 802.11, Bluetooth and Handheld
Devices, National Institute of Standards and Technology, Technology
Administration, U.S. Department of Commerce.
o 5.BLUETOOTH SPECIFICATION Version 2.1 + EDR [vol 0] ,
www.Bluetooth.com
o 6.Andreas Becker, “Bluetooth Security and Hacks”, Ruhr-University
Bochum, 2007.
o 7.Essential Bluetooth hacking tools, http://www.security-
hacks.com/2007/05/25/essential bluetooth hacking-tools.
o 8.Marek Bialoglow, “Bluetooth Security Review”,
http://www.securityfocus.com/infocus/1830