1. SECURITY
IN
NEAR FIELD COMMUNICATION
By: Vinit Varghese

2. MY CONTRIBUTION
 Analysis of security with respect to NFC.
 Misconceptions about security and NFC.
 Threats applicable to NFC.
 Solutions to protects against these
threats.
 Future developments.

3. INTRODUCTION
 Near Field Communication
 ISO 18092

4. MODES OF OPERATION
 Active
 Passive

5. DEVICES

6. APPLICATIONS / USE-CASES
 Contactless Token
 Ticketing / Micro Payment
 Device Pairing

7. THREATS
 Eavesdropping
• RF filed characteristic of the given sender device
• Characteristic of the attacker’s antenna
• Quality of the attacker’s receiver
• Quality of the attacker’s RF signal decoder
• Setup of the location where the attack is performed
• Power sent out by the NFC device

8. DATA CORRUPTION AND MODIFICATION

9. MAN IN THE MIDDLE ATTACK
Possible in NFC?

10. SOLUTION
 Eavesdropping
 Data Corruption/ Modification
 Man-in-the-Middle-Attack
 Secure Channel for NFC
 NFC Specific Key Agreement

11. NFC SPECIFIC KEY AGREEMENT

12. OTHER CONCERNS/ FUTURE DEVELOPMENT
 StolenDevice
 Google Wallet
 Shopping Experience
 Acceptance

13. QUESTIONS ????
Thank You