List/Grid Tag Archives: security
How To Implement Monoalphabetic Cipher using C
Monoalphabetic Cipher is a method to encrypt messages by substituting one character for another character. This is fairly a simple method for encrypting data. Alike Ceaser Cipher, which have only 26 possible keys, Monoalphabetic Cipher has 26! possible keys (or possible ways to encrypt messages). In this tutorial, I will use the key pair given on Wikipediaas an example to illustrate the working of this cipher. Also I will encrypt the same…
How to implement Caesar Cipher using C
Caesar Cipher is the most basic cipher technique used to encrypt or decrupt messages. In this technique every character is replaced with the character standing particular number of places down the alphabet. That number serves the purpose of Key. So, for this Cipher technique, Key can only be a number ranging from 1 to 26. The most basic Caesar technique is Julius Cipher, in which Key is taken as 3….
How To Know If Somebody Logged In To Your Gmail Account
Google always try to make your profile more secure and thus it provides you a feature to check when your account was accessed last time including details like Access Type like (using browser, IMAP application or by using POP3 ), IP address from which account was accessed and the time of access. If you find that someone other than you is accessing your account, then you are recommended to change…
How to Choose a Secure And Strong Password
You want your online data to be secure, then you must choose a strong password to protect that data. Your password must be a random combination of letters and numbers so that no one can hack into your account. In this article, i will be writing some tips to create a strong password that will not be easy for any hacker to break. First of all, do not use phrases…
How to Lock Folders in Vista/Windows7
Do you want to lock and password protected your important folders in Windows 7? If you are an administrator and have multiple accounts set up in Windows 7 / Vista, then you can block folders so that they can not be accessed by other users. When other users try to access the blocked folder, it will ask for administrator password. So, the folder will be locked permanently unless you don’t…