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

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/scn/volume-2018/4296934/figures/4296934.fig.0014a.svgz" name="4296934.fig.0014a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Normal PIN and image pointer grid set</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/scn/volume-2018/4296934/figures/4296934.fig.0014b.svgz" name="4296934.fig.0014b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>PIN overlay on image pointer</td></tr></table>

Security and Communication Networks

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Figure 14

Figure 14: Study to Improve Security for IoT Smart Device Controller: Drawbacks and Countermeasures 