Open Access

Table 1.

Comparison of this study with previous reviews

Reference Research area Security Security Attacks on Solutions for
goals metrics IoMT systems
IoMT systems
Attack Existing Solution Existing
taxonomy attacks taxonomy solutions
Ghubaish et al. [33] Cryptographic techniques
Koutras et al. [34] Communication protocols
Hatzivasilis et al. [35] Circular economy-featured
Hathaliya et al. [36] Security and privacy in Healthcare 4.0
Newaz et al. [37] Attack-aspect and corresponding defense
Yaqoob et al. [38] Security for medical devices
Our work Security in hierarchical IoMT systems

• and ◦ represent yes and no, respectively.

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