Understanding Security Requirements and Challenges in Internet of Things (IoT): A Review

Table 1

Comparison of challenges and open/future issues for different security requirements in IoT network.

Security requirements	Challenges	Open issues and future directions
	Profiling and tracking	Comprehensive privacy-preserving frameworks
Privacy	Localization	Context-aware privacy policies
	Secure data transmission	Game theory based privacy-preserving incentives
		Network virtualization and SDNs
Confidentiality	Lightweight primitives	Efficient holistic frameworks
	Consume low resource	Utilization of SDNs for lightweight security provisioning
Secure routing	Secure route establishment	IoT network performance focused routing protocol design
	Isolation of malicious nodes	Effective and fine grained control over routing activities leveraging SDN
	Self-stabilization of the security protocol
	Preservation of location privacy
Robust and resilient management	Attack tolerance	SDN-based centralized management frameworks
	Early detection of attacks
	Quick recovery from failures
Attack detection (DDOS and insider)	Resource efficient DoS attack detection	Lightweight solution for resource constraint device
	Resource efficient countermeasures	Centralized SDN detection and mitigation algorithms
	Resource efficient insider attack detection