Study to Improve Security for IoT Smart Device Controller: Drawbacks and Countermeasures

Table 1

Security comparison.

Existing and Proposed Schemes		Possible Emerging Attacks
		Shoulder surfing		Recording		Hybrid	Smudge	Password guessing with sensors
		single	multiple	single	multiple
Text	1	B	B	B	B	B	B	B
	2	G	G	G	G	G	G	G
	3	G	M	G	M	M	G	G
Graphical	4	B	B	B	B	B	B	B
	5	G	G	G	M	M	G	M
	6	G	G	G	G	M	G	B
PIN	7	B	B	B	B	B	B	B
	8	G	G	G	M	M	G	G
Signature	9	M	M	B	B	B	M	B
	10	G	G	G	G	G	G	B
Fingerprint	11	G	G	G	G	G	B	G
	12	G	G	G	G	G	G	G