by Taiwan’s security is good, and it is recognized as one of the safest countries in the world. However, behind this hard-won sense of security, many people have lost their vigilance. After the random killing incident on the Taipei MRT in 2014, the whole people became aware of it. When it comes to taking reliable public transportation, it is still necessary to pay attention to changes in the surrounding environment, because various man-made or natural unexpected situations may occur at any time. However, with the spread of digital technology, everyone has many digital assets to protect, and the scope of risk to concern has become wider.
