A Camouflage Text-Based Password Approach for Mobile Devices against Shoulder-Surfing Attack

<div>(a) A screenshot from the first interface of the developed application that shows the three techniques: types 1, 2, and 3. (b) Type 1’s interface. (c) Type 2’s interface. (d) Type 3’s interface.</div>

Security and Communication Networks

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Figure 2

Figure 2: A Camouflage Text-Based Password Approach for Mobile Devices against Shoulder-Surfing Attack 