Describe the different methods of protecting information in computers.

Protecting information in computers is a critical concern in the field of Information Management Systems, especially when applied to industries like tourism, which handles a significant amount of personal and sensitive data, such as customer identities, travel itineraries, financial transactions, and business strategies. The tourism industry relies heavily on computerized systems for booking, data management, customer relationship management (CRM), and communication. Therefore, safeguarding information from theft, loss, or unauthorized access is vital for operational continuity, customer trust, and legal compliance.

1. Authentication and Authorization

Authentication refers to the process of verifying the identity of a user or system, while authorization determines the access level granted to that authenticated entity. These methods form the first line of defense in protecting data.

• Username and Password: The most common method for authentication. However, for better security, it should be combined with other methods.

• Two-Factor Authentication (2FA): Adds an extra layer of security by requiring a second form of verification (e.g., an OTP sent via SMS or email).

• Biometric Authentication: Uses physical characteristics such as fingerprints or facial recognition. In tourism, biometric check-ins at hotels or airports are gaining popularity.

• Role-Based Access Control (RBAC): Ensures that users only have access to the information _____ _________ _________ _____ ________ ___ ______ ____ ____.
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