Table 1. Preventive measures for existing Attacks.

Property Violated	Attacks	Preventive Measures
Privacy	Location trailing	ID based system
Availability	Denial of Service (DOS)	IP Info. Handling
	Routing attacks	Cryptography Hashing etc.
Integrity and confidentiality	Eavesdropping	Creation of cipher
	Replay	Time-stamping
	Bogus info.	Hashing, Asymmetric cryptography
Authenticity	Sybil	Radio resource testing, Registration, Position verification, etc.
	Impersonation	Trust authority, PK1
	Timing attack	Encryption solution (TPM)
	Session hijacking	Encryption, Random SID generation