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Information Security Articles
Page 2 of 30
How To Prevent Ransomware Attack?
Ransomware is a type of malware that encrypts victim's files and demands payment in exchange for the decryption key. This growing threat affects individuals, organizations, and governments worldwide, often demanding significant ransom payments without guaranteeing data recovery. Prevention through proactive security measures is the most effective defense against these attacks. Ransomware Attack Prevention Framework Software Updates & Patch Management Strong Authentication & Access Control Data Backups & Recovery Plans ...
Read MoreHow to Reduce Risk of Exposure to CSRF, XSRF, or XSS Attacks?
We all rely extensively on the internet for our daily activities in today's digital world. Whether it's online shopping, social networking, or internet banking, we utilize numerous websites and applications to accomplish these tasks. While the internet has made our lives easier, it has also introduced new vulnerabilities such as Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and Cross-Site Resource Forgery (XSRF). These vulnerabilities can cause severe damage, ranging from data theft to website defacement, and can even compromise personal and organizational security. Understanding XSS, CSRF, and XSRF Attacks These web security vulnerabilities are among the most ...
Read More3D passwords-Advanced Authentication Systems
As the world continues to grow more digital, the need for secure and robust authentication systems becomes increasingly important. Traditional passwords have been the standard method of authentication, but with the rise of hacking and cybercrime, new authentication methods are needed. One such method is 3D passwords, an advanced authentication system that combines multiple factors for enhanced security. What are 3D Passwords? 3D passwords are an advanced authentication system that adds multiple layers of security beyond traditional password-based systems. They are based on the concept that humans can recognize and remember three-dimensional interactions more intuitively than conventional text ...
Read MoreWhat are the classification of security attacks in information security?
There are various classification of security attack is as follows − Cryptanalytic attacks These attacks are combination of statistical and algebraic techniques objective at make sure the secret key of a cipher. These technique inspect the numerical properties of the cryptographic algorithms and aims at discovering distinguishers of the output distribution of cryptographic algorithms from the uniform distribution. Non-cryptanalytic attacks Non-cryptanalytic attacks do not exploit the numerical weakness of the cryptographic algorithm. There are three objective of security are confidentiality, integrity and availability can be very much vulnerable by this type of attack. Attacks threatening confidentiality Attacks threatening the confidentiality ...
Read MoreWhat are the applications of cryptography in information security?
There are various applications of cryptography which are as follows − Secrecy in Transmission Some existing secrecy systems for transmission access a private key system for converting transmitted data because it is the quickest approach that functions with rational guarantee and low overhead. If the multiple conversing parties is minute, key distribution is implemented periodically with a courier service and key preservation based on physical security of the keys over the method of use and destruction after new keys are disseminated. Secrecy in Storage Secrecy in storage is frequently preserved by a one-key system where the user provide the key ...
Read MoreWhat are the basic terms used in cryptography in information security?
Cryptography is an automated mathematical tool that plays an important role in network security. It supports the confidentiality and integrity of information and provide authentication and non-repudiation to the users. Cryptography is frequently used in distributed applications to transfer recognition and authentication information from one system to another over a network. Cryptographic authentication systems validate a user based on the awareness or control of a cryptographic key. Cryptographic authentication systems can be based on private key cryptosystems or public key cryptosystems. Cryptographic approach can encrypt the biometric templates or images which are saved in a database. It can enhance the ...
Read MoreHow is RSA Algorithm Calculated?
RSA is a cryptosystem for public-key encryption, and it is broadly used for securing sensitive information, specifically when being sent over an insecure network including the Internet.RSA algorithm is the most popular asymmetric key cryptographic algorithm depends on the mathematical fact that it is simply to discover and multiply large prime numbers but complex to factor their product. It needs both private and public key.Example of RSA AlgorithmLet us take an example of this procedure to learn the concepts. For ease of reading, it can write the example values along with the algorithm steps.Choose two large prime numbers P and ...
Read MoreWhat are the principles of Public key Cryptosystem in Information Security?
Public key cryptography has become an essential means of providing confidentiality, especially through its need of key distribution, where users seeking private connection exchange encryption keys. It also features digital signatures which enable users to sign keys to check their identities. The approach of public key cryptography derivative from an attempt to attack two of the most complex problems related to symmetric encryption. The first issue is that key distribution. Key distribution under symmetric encryption needed such as − that two communicants already shared a key, which somehow has been ...
Read MoreActive and Passive attacks in Information Security
Introduction Information security is an essential aspect of modern-day technology, and it's vital to understand various threats that can compromise sensitive data. Two of most common types of attacks that can occur are active and passive attacks. In this article, we'll explore differences between active and passive attacks, methods used by hackers, and ways to protect against these types of threats. What is an Active Attack? An active attack occurs when a hacker attempts to alter or manipulate data in a system. This type of attack can be easily identified as it typically involves an attacker trying to perform some ...
Read MoreA Cryptographic Introduction to Hashing and Hash Collisions
Introduction Hashing is an essential aspect of modern cryptography. It is used to encrypt data in a secure and efficient way. Cryptographic hash functions are a type of mathematical function that takes data of any size and converts it into a fixed-size output, which is referred to as a hash. This article will provide a cryptographic introduction to hashing and hash collisions, explaining how hash functions work and why hash collisions can be a problem. What is Hashing? Hashing is a process that takes input data of any size and maps it to a fixed-size output, which is called a ...
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