Table 1.

Security attacks, compromised security requirements and countermeasures.

Security Attack	Compromised Security Requirement	Countermeasure
Denial of Service (DoS)	Availability	Digital Signature
Jamming, Flooding	Availability	Digital Signature
Sybil	Availability, Authentication	Digital Signature
Malware, Spamming, Black hole, Grey hole, Sink hole, Warm hole	Availability, Authentication	Digital Signature
Eavesdropping	Confidentiality	Encryption
Data Interception	Confidentiality	Encryption
Falsified Entities	Authentication, Authorization	Digital Signature and Encryption
Cryptographic Replication	Authentication, Authorization	Digital Signature and Encryption
GNSS Spoofing	Authentication, Authorization	Digital Signature and Encryption
Timing	Authentication, Authorization	Digital Signature and Encryption
Masquerading	Data Integrity	Digital Signature with Certificate
Data Playback	Data Integrity	Digital Signature with Certificate
Data Alteration	Data Integrity	Digital Signature with Certificate