What is OTP (One-time password)?

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OTP employs algorithms that generate a new and random password for every login session. The algorithm uses different characters and symbols each time to prevent computer hackers from predicting your next password. OTP utilizes various techniques to create passwords, ensuring maximum security, including the following:

1- Time Synchronization

The time synchronization technique uses a special hardware component to generate one-time passwords. This component includes a synchronized clock that matches the system's time when the account operations are performed. The password-generating algorithm in these systems relies on time as a crucial component. By using the current time value and a fixed secret key simultaneously, one-time passwords that change at specific intervals can be generated.

2- Mathematical Algorithms

OTP can also be generated based on previously generated passwords. This involves creating serial passwords by performing mathematical operations on a special starting value. Each password that is generated depends on the previously generated password and the mathematical function that is selected.

Traditional Encryption Method and OTP

Traditional encryption methods have many weaknesses, which remain present despite the use of well-chosen and difficult-to-guess passwords. If you use the same password for a long time, there's a greater chance that an unauthorized user may access it. This can happen through replay attacks, where the password is captured and then used for unauthorized authentication. Even major online services have been the target of cyberattacks in recent years, which have led to the exposure of numerous customer records. Although changing your password frequently can help reduce such risks, a more convenient option is to utilize a One-Time Password (OTP).

OTP (One-Time Password) Examples

1- OTP via SMS

When a user tries to log in using their username and password, an SMS-based OTP system sends a one-time password to their mobile phone linked to the account. The user completes the authentication process by entering this password on the login screen.

2- OTP via Email

When a user tries to log in by entering their correct username and password, an email-based One-Time Password (OTP) is sent to the email address associated with their account. The user then completes the authentication process by entering this password on the login screen.

3- OTP via Voice Message

Voice message-based OTP involves receiving a one-time password via a phone call to your registered phone number, which is used for authentication. You can use this OTP for authentication within a short time window. When you attempt authentication on any device, the provided OTP is compared with the OTP generated on the server. If they match, your identity is successfully verified.

4- OTP via Instant Notification

Instant notification-based OTP is provided via a mobile-centric third-party application that sends a request to the device associated with the account before granting access. This method helps verify the identity of a user attempting to access a registered account before granting access.

The Use of OTP in HR and Payroll Software

OTP (One-Time Password) technology with legal validity is used in Human Resources and Payroll software solutions. This technology is implemented securely and complies with regulations in the Bordromat Process Management System and Informasoft Online Human Resources Management System. OTP is utilized for various activities such as viewing and approving payrolls, managing employee leave requests by managers, and having the user sign approved leave requests. For identity verification, a password generated centrally is sent to the individual. The user can choose to receive OTP via SMS, email, or both and must return the OTP within a specific time frame. Upon entering the OTP received into the application interface, the system verifies the authentication code, and remote identity verification is completed. The validity period of the OTP code used in Bordromat Process Management System and Informasoft Online Human Resources Management System relies on the duration chosen by the user.

Sectors Benefit From OTP

Various sectors, organizations, and software applications use One-Time Passwords (OTPs) to secure their data against potential exploitation of identity information and cyberattacks. These sectors include:

• Banking and Finance
• Government Agencies
• Defense Industry
• Consumer Electronics
• Commercial Security
• Travel and Immigration Agencies
• Human Resources and Payroll Software
• Healthcare Service Providers

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