CYBER SECURITY
Cyber Security Tutorial Roadmap
This roadmap provides a step-by-step learning path to understand Cyber Security concepts, technologies, laws, threats, and defenses. It is designed to build strong theoretical foundations, followed by
Introduction to Cyber Security
OSI Security Architecture The OSI Security Architecture is widely acknowledged on a global scale and offers a standardized framework for implementing security measures within organizations. It emphasi
Cyber Technology
Basics of Wi-Fi Wired networks transmit data through cables, while wireless networks use radio waves for communication. Ethernet is the most common example of a wired network, whereas W
Cyber Ethics
Trademarks Trademarks are symbols, words, or marks associated with goods or services, designed to help the public recognize and associate specific qualities or images with a product or service. They s
Cyber Crimes
Psychological Profiling in Cybersecurity Cybersecurity profiling involves protecting computer systems from individuals with malicious intent who aim to steal information or cause harm. To enhance prot
Prevention and Protection
Backup and Recovery As technology advances, most people rely on devices for work or entertainment, generating data continuously. Safeguarding this data is essential. With the increase in data volume,
Cyber Law
Information Technology Act, 2000 (India) The Information Technology Act, 2000, often referred to as the IT Act, is legislation enacted by the Indian Parliament on 17th October 2000. This act draws ins
Cyber Investigators And Digital Forensics
Chain of Custody in Digital Forensics: Ensuring Integrity of Evidence The chain of custody represents the systematic process that tracks the custody, control, transfer, analysis, and disposition of ev
Cloud Security
Cloud Security Cloud computing, one of the most sought-after technologies today, has become integral for organizations of all sizes. With various cloud deployment models available, services can be tai
Cyber Crime Techniques
Worms, Viruses The Threat Computer systems can be targeted by various attacks, including viruses, worms, and hacking attempts. These threats can lead to system crashes, the theft and misuse of sensiti
Cybersecurity Objectives
Cyber Security Metrics Metrics serve as valuable tools to support decision-making, improve performance, and enhance accountability. A cybersecurity metric, for instance, tracks the number of reported
Classical Encryption Techniques
Symmetric Cipher Model Symmetric Encryption is one of the oldest and simplest forms of encryption. It operates using a single key for both encrypting and decrypting data, which is why it is also calle
More on Symmetric Ciphers
Double DES and Triple DES As we know, the Data Encryption Standard (DES) uses a 56-bit key to encrypt plaintext, making it vulnerable to being cracked with modern technology. To address this
Advanced Encryption Standard
Difference between AES and DES ciphers Advanced Encryption Standard (AES) is a highly trusted encryption algorithm used to secure data by converting it into an unreadable format without the
Introduction to Number Theory
Fermat’s Little Theorem Fermat’s Little Theorem is a fundamental theorem in number theory that states:If p is a prime number and a is any integer not divisible by p, the
Message Authentication Requirements
Message Authentication Requirements Data is susceptible to various forms of attacks, including threats related to message authentication. This issue arises when the recipient lacks any assurance regar
Key Management in Cryptography
Key Management In cryptography, distributing public and private keys between the sender and receiver can be a tedious task. If a third party (such as an attacker or eavesdropper) gains access to the k
Hash and MAC Algorithms
Secure Hash Functions SHA-1, or Secure Hash Algorithm 1, is a cryptographic algorithm that generates a 160-bit (20-byte) hash value from an input. This hash value, often referred to as the message dig
Digital Signatures and Authentication Protocols
Digital Signatures and Certificates SHA-1, or Secure Hash Algorithm 1, is a cryptographic algorithm that generates a 160-bit (20-byte) hash value from an input. This hash value, often referred to as t
Authentication Applications
Digital Signatures and Certificates Kerberos provides a centralized authentication mechanism that enables users to authenticate to servers and vice versa. It employs an Authentication Server and a dat
Electronic Mail Security
Digital Signatures and Certificates Introduction to PGPIn 2013, following the public exposure of the NSA (United States National Security Agency) surveillance scandal, people increasingly sought servi
Risk Management and Compliance in Cyber Security
Introduction Risk Management and Compliance are critical components of Cyber Security that focus on identifying, analyzing, reducing, and monitoring risks, while ensuring that an organization follows
IP Security
IP Security Overview What is IP Security (IPSec)? IP Security (IPSec) is a suite of protocols designed to secure communications over a network by enforcing encryption and authentication mechanisms. Th
Web Security
Web Security Considerations Web Security: Safeguarding Data in the Digital Era Web Security ensures the safety of data across the internet, within networks, or during online transfers. It is essential