Debit cards that are provided by financial institutions come with a PIN, which stands for personal identification number. This number adds an extra degree of security to the cards. These personal identification numbers, often known as PINs, are typically comprised of four digits. Before the data is sent from an ATM to the computers that are responsible for authorising the use of a credit or debit card, it is encrypted. Ad hoc management techniques and encryption are necessities for the data security of financial institutions, which must be maintained at all times. Please provide an explanation of the reasoning behind this request.

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