“…Whether the strategy conveyed is by word technique, i.e., by converting a 'word' to corresponding numbers on keypad, date method, i.e., key dates in different configuration, saving PIN on mobile phone in unidentifiable way or using mathematical logic to mask the direct PIN, forever it is better and fine to apply a technically stronger PIN to crack (https://homesecurity. about.com/od/online/fl/Using-PINs-Safely.htm; Akomolafe and Afeni, 2014;Bond and Zielinski, 2003).…”