Table 4.

Potential security requirements for the IoT identified in the existing literature. Red colour represents ‘standard’ security requirements.

Requirements	[152]	[151]	[148]	[149]	[147]	[154]	[145]	[155]	[156]	[168]	[169]	[153]	[143]	[158]	[157]	[140]	[160]	[170]
Confidentiality				✓					✓	✓	✓	✓	✓	✓		✓	✓	✓
Access control	✓	✓	✓	✓	✓	✓	✓				✓		✓	✓	✓
Authentication		✓		✓				✓	✓		✓		✓		✓	✓	✓	✓
Authorization		✓		✓				✓	✓					✓			✓
Availability		✓	✓						✓			✓		✓
Key management	✓		✓		✓		✓		✓
Integrity				✓				✓			✓	✓	✓	✓	✓		✓	✓
Trust	✓			✓				✓			✓			✓			✓	✓
Non-repudiation											✓			✓	✓		✓
Accountability											✓			✓		✓
Usability							✓									✓		✓
Scalability	✓	✓	✓	✓	✓	✓									✓	✓	✓
Resilience to attacks		✓		✓				✓							✓		✓
Privacy		✓			✓					✓	✓						✓	✓
Identity		✓		✓	✓		✓		✓	✓	✓			✓			✓	✓
Secure storage		✓		✓	✓
Secure communication				✓	✓				✓							✓	✓	✓
Secure content									✓	✓	✓
Manageability			✓			✓
Location privacy						✓					✓			✓
Decentralization	✓			✓	✓											✓		✓
Energy awareness						✓											✓
Quality of service				✓		✓												✓
Anonymity									✓	✓	✓			✓	✓		✓
Real-time		✓													✓	✓	✓
Data freshness						✓		✓								✓	✓
Reliability	✓		✓									✓				✓		✓
Load balancing				✓					✓		✓
Mobility	✓		✓			✓							✓
Fault tolerance						✓							✓			✓