An employee may swipe a magnetic card or present a smart card to a reader as part of the general access control process. The organization determines the user’s access to the information. The term “EAC” refers to technology that is widely used today, such as magnetic stripe cards. The National Transportation Workers Identification Card (TWIC) provides a single, uniform credential that is more difficult to counterfeit and misuse than previous cards. In some cases, a magnetic stripe card is used, in others, a Wiegand swipe card is used, and in others, a proximity card of 125 kHz is used. These cards, in addition to physical access control and smart card readers, are used to provide dual-factor authentication to critical systems. The Department of Defense’s Public Key Infrastructure (PKI) includes cryptographic certificates, which are stored on the Department of Defense’s (DoD) Cyber Command Card (CAC). The disadvantages of this type of card are that they necessitate swipes and inserting into a reader over time, causing the card to wear out. Magnetic stripe cards have the advantage of being reprogrammable after they have been manufactured. The magnetic stripe technology used in magnetic stripe cards is similar to that used in audio tapes, and credit and debit cards are currently accepted. The data on the stripe can be read by a magnetic stripe reader, and can be used to track information about the cardholder. This stripe is used to store data, and is often used for credit cards, debit cards, and other types of cards. A magnetic stripe card is a type of card that has a magnetic stripe on the back.
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