What is a Password? Password is a secret code to a user so the owner of the account choose this will say that its only the user of the account so have access to the information the account have. Everything today nearly have a password. Password is like a key to get access to something. Lets take an etc. On the Windows XP computer the password for the users are getting saved in a file named "SAM". This file can you find in C:\WINDOWS\System32\Config Everything in this file is encrypted so no one can read it. "SAM" stands for "Security Account Manager" All windows account passwords is saved in LH Hash. Cracking Attack: Today we have tools so are guessing the passwords to the user. They will try out many combinations that the password may be. One of the attack types is "Brute Force Attack" and there also is a Dictionary Based cracking. So what is the different? Dictionary Based Cracking: This will say that it is a cracking tool so are trying to crack the account from a list.This list have with typed down combinations it can be. This attack is the fastest way to crack but it's isn't the best way. It have a low cracking Success. This will say it haven't so big success with finding the right password. Brute Force Cracking: This is a program so trying every Combination so is Possible. But this kinda cracking attack is taking much more time than the Dictionary cracking attack. But Brute Force attack have a much bigger chance to get the right password. Many people today are also making the password to simple that you can just guess it. Just with a bit research about the user you may just guess it. But that takes some kinda luck too :p This is why its very important that you choose a strong password. One more thing to remember never type down your password in a document on your computer. This can hackers get easy access to. How to set up a strong Password? Well for say it simple a strong password must be from 8 - 16 characters long. You should have lowcase, bigcase, numbers and symbols. This password isn't Simple to get so only success crack attack can be a "Brute Force Attack" and also it will take a really long time to get it successfully cracking attack. If you are having Problem with remember the password you may type it down on a paper so you have at home in a Safe Place.