Mathematically that means 26 x 25 x 24 x 23 x 22 x 21… x 1 possibilities.Ģ6 factorial, or 26!, means a simple substitution cipher of the English alphabet has 403,291,461,126,605,700,000,000,000 possible solutions.
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Take the English alphabet, for example: It has 26 letters, which means there are 26 factorial ways to mix it up. Most everyone has experience with simple encryption, like substitution ciphers that alter the letters of the alphabet using a particular rule, like A=Z, B=Y, C=X, and so on.Įven a simple cipher like mixing up the letters of the alphabet presents an enormous number of potential solutions because of the factorial nature of encryption. In essence, anything that is encoded using an algorithm is encrypted. SEE: A winning strategy for cybersecurity (ZDNet/TechRepublic special feature) | Download the PDF version (TechRepublic) What is encryption?Įncryption is far more than just scrambling an email to protect it from prying eyes–it’s a practice that goes back well into the analog days. ( Note: This article about encryption is available as a free PDF download.) Having a basic knowledge of encryption is important for professionals who deal with private data, even if you don’t deal with the particulars yourself. Knowing that encryption exists and understanding what it is are two different things, and the answer can be complicated. Professionals are concerned about digital data–confidential emails, budget spreadsheets, private messages, bank records, and a multitude of other types of sensitive information that is stored or transmitted online.
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Must-read security coverageĨ enterprise password managers and the companies that will love themĬyber threat intelligence software: How to choose the right CTI tools for your businessĮnd user data backup policy (TechRepublic Premium) Data: It’s everywhere, and it has to be protected.