Internet of Things Security: Challenges and Key Issues

Table 1

Security requirements for IoT basic layers.

Security services	IoT layers
	Perception	Networking	Application
Authentication	✓	✓	✓
Authorization	✓	✓	✓
Confidentiality	✓
Availability	✓	✓
Integrity	✓	✓	✓
Non-repudiation		✓