Browsing Category
Cryptography
36 posts
Cryptography is the process of hiding or coding information so that only the person a message was intended for can read it. The art of cryptography has been used to code messages for thousands of years and continues to be used in bank cards, computer passwords, and ecommerce.
Cryptanalysis Techniques in Cryptosystems: Attacks, Methods, and Countermeasures
I think of cryptanalysis as the mirror image of cryptography. Where cryptography is the art of building secure…
Brute Force Attack in Cryptosystems: Methods, Prevention, and Security Best Practices
I think of brute force as the “blunt instrument” of cryptanalysis — there’s no cleverness involved, no mathematical…
Dictionary Attack on a Password Hash: Techniques, Tools, and Prevention Methods
I’ve spent a lot of time studying password security, and the dictionary attack is the technique that convinced…
Rainbow Table Attack: How It Works, Password Cracking, and Defense Strategies
I still remember the first time I saw a rainbow table crack a “complex” password in under a…
Most Common Types of Attacks Against Cryptosystems: Threats and Security Measures
I’ve spent a lot of time reviewing systems where the cryptography was mathematically sound but still got broken…
Common Types of Components in Cryptosystems: Keys, Algorithms, and Protocols Explained
Whenever I explain cryptography to someone new to the field, I start by taking apart the word “cryptosystem”…
Double Strength Encryption: Multi-Layer Security and Enhanced Data Protection Explained
I get asked some version of this question all the time: “if I encrypt my data twice, isn’t…
Main Reasons Why Encryption Is Necessary: Data Privacy, Security, and Compliance Explained
Every time I sit down with a business owner who says “we don’t have anything worth stealing,” I…
The Key Reasons Why Encryption Is Necessary: Protecting Confidentiality and Integrity
I like to tell people that encryption is really answering two very different questions at once: “can someone…
An Overview of the Most Notable Traditional Ciphers: Caesar, Vigenère, Playfair, and More
I keep a small collection of historical cipher wheels and cards on my desk, not because I use…