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Internet Firewalls for Trusted System: Roles of Firewalls

Internet firewalls are essential components of network security that protect trusted systems and networks from unauthorized access, malicious activities, and threats originating from the Internet. Firewalls act as a barrier between internal networks (trusted systems) and the Internet (untrusted networks), enforcing security policies and controlling the flow of network traffic. Here are the key roles …

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Kerberos

Kerberos is a widely used network authentication protocol that provides secure authentication and authorization in client-server environments. It was developed at the Massachusetts Institute of Technology (MIT) in the 1980s and has since become an industry standard for authentication in many networks, including Microsoft Windows Active Directory domains. Here are the key concepts and components …

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Security Practice & System Security

Authentication applications are software programs or tools that provide an additional layer of security for user authentication. These applications are designed to verify the identity of users attempting to access systems, networks, or online services. They often utilize multi-factor authentication (MFA) methods to enhance the security of the authentication process. Here are some common types …

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Email Security

Email security refers to measures and practices implemented to protect email communications from unauthorized access, interception, tampering, and other security threats. Email is a widely used method of communication, and ensuring its security is crucial to safeguard sensitive information, maintain privacy, and prevent various types of cyberattacks. Here are key aspects of email security: Encryption: …

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Electronic Money

Electronic money, also known as e-money or digital currency, refers to digital forms of currency that exist electronically and are used for electronic transactions. It is a type of digital representation of value that can be stored, transferred, and used for various purposes, including purchases, payments, and remittances. Here are key points about electronic money: …

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SSL versus SET

SSL (Secure Sockets Layer) and SET (Secure Electronic Transaction) are both cryptographic protocols that aim to enhance security in different aspects of online transactions. However, they serve different purposes and operate at different levels within the transaction process. Here’s a comparison of SSL and SET: Purpose: SSL: SSL is primarily focused on securing the communication …

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Secure Electronic Transaction (SET)

Secure Electronic Transaction (SET) was a cryptographic protocol developed in the 1990s as a standard for secure online payment transactions. SET aimed to provide a secure and standardized method for conducting electronic commerce over the internet, ensuring the confidentiality, integrity, and authentication of payment data. While SET is not widely used today, it introduced several …

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Secure Hyper Text Transfer protocol (SHTTP)

Secure Hyper Text Transfer Protocol (SHTTP) is an older secure communication protocol that was developed as an extension to the Hypertext Transfer Protocol (HTTP). SHTTP aimed to provide secure transmission of data over the internet by adding encryption and authentication mechanisms to the standard HTTP protocol. Here are some key points about SHTTP: Encryption: SHTTP …

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