The password of your macOS user account is also known as your login password. It's the password that you use to log in to your Mac and make certain changes, such as installing software.
Feb 03, 2012 Watch me hack into this Macbook Air and delete user passwords:p These are the commands = space line#1: mount-uw/ line#2: rm/ var/db/.applesetupdone. On your Mac, choose Apple menu Restart, or press the Power button on your computer and then click Restart. Click your user account, click the question mark in the password field, then click the arrow next to “reset it using your recovery key.” Enter the recovery key, then click Next. Follow the instructions to reset your login password. Dec 10, 2017 This trick will allow you to gain root level access and bypass any login password on Macs Step 1: Get access to Terminal Step 2: Inside Terminal type 'cd /Users'.
Change your password
If you know your password and can use it to log in to your account, you can change your password in Users & Groups preferences:
Reset your password
If you don't remember your password, or it isn't working, you might be able to reset it using one of the methods described below. But first try these simpler solutions:
Reset using your Apple ID
In some macOS versions, you can use your Apple ID to reset your login password. At the login screen, keep entering a password until you see a message saying that you can reset your password using Apple ID. If you don't see the message after three attempts, your account isn't set up to allow resetting with Apple ID.
Reset using another admin account
If you know the name and password of an admin account on your Mac, you can use that account to reset the password.
Reset using the Reset Password assistant (FileVault must be on)
If FileVault is turned on, you might be able to reset your password using the Reset Password assistant:
Reset using your Recovery Key (FileVault must be on)
If FileVault is turned on and you have a FileVault Recovery Key, you can use that key to reset your password.
If you can't log in with your new password after restarting your Mac, take these additional steps:
Create a new login keychain, if necessary
After resetting your password and logging back in to your account, you might see an alert that the system was unable to unlock your login keychain. This is expected, because the passwords for your user account and login keychain no longer match. Just click the Create New Keychain button in the alert.
If you didn't see an alert about your login keychain, or you see other messages asking for your old password, reset your keychain manually:
If you still can't log in
If you still can't log in with your password, contact Apple Support for help.
What is Password Cracking?
Password cracking is the process of attempting to gain Unauthorized access to restricted systems using common passwords or algorithms that guess passwords. In other words, it’s an art of obtaining the correct password that gives access to a system protected by an authentication method.
Password cracking employs a number of techniques to achieve its goals. The cracking process can involve either comparing stored passwords against word list or use algorithms to generate passwords that match
In this Tutorial, we will introduce you to the common password cracking techniques and the countermeasures you can implement to protect systems against such attacks.
Topics covered in this tutorialWhat is password strength?
Password strength is the measure of a password’s efficiency to resist password cracking attacks. The strength of a password is determined by;
Let’s now look at a practical example. We will use three passwords namely
1. password
2. password1
3. #password1$
For this example, we will use the password strength indicator of Cpanel when creating passwords. The images below show the password strengths of each of the above-listed passwords.
Note: the password used is password the strength is 1, and it’s very weak.
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Note: the password used is password1 the strength is 28, and it’s still weak.
Note: The password used is #password1$ the strength is 60 and it’s strong.
The higher the strength number, better the password.
Let’s suppose that we have to store our above passwords using md5 encryption. We will use an online md5 hash generator to convert our passwords into md5 hashes.
The table below shows the password hashes
We will now use http://www.md5this.com/ to crack the above hashes. The images below show the password cracking results for the above passwords.
As you can see from the above results, we managed to crack the first and second passwords that had lower strength numbers. We didn’t manage to crack the third password which was longer, complex and unpredictable. It had a higher strength number.
Finding Passwords On MacPassword cracking techniques
There are a number of techniques that can be used to crack passwords. We will describe the most commonly used ones below;
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Spidering sample dictionary attack wordlist
Password cracking tool
These are software programs that are used to crack user passwords. We already looked at a similar tool in the above example on password strengths. The website www.md5this.com uses a rainbow table to crack passwords. We will now look at some of the commonly used tools
John the Ripper
John the Ripper uses the command prompt to crack passwords. This makes it suitable for advanced users who are comfortable working with commands. It uses to wordlist to crack passwords. The program is free, but the word list has to be bought. It has free alternative word lists that you can use. Visit the product website https://www.openwall.com/john/ for more information and how to use it.
Cain & Abel
Hack Mac Password With Usb
Cain & Abel runs on windows. It is used to recover passwords for user accounts, recovery of Microsoft Access passwords; networking sniffing, etc. Unlike John the Ripper, Cain & Abel uses a graphic user interface. It is very common among newbies and script kiddies because of its simplicity of use. Visit the product website http://www.softpedia.com/get/Security/Decrypting-Decoding/Cain-and-Abel.shtml for more information and how to use it.
Ophcrack
Ophcrack is a cross-platform Windows password cracker that uses rainbow tables to crack passwords. It runs on Windows, Linux and Mac OS. It also has a module for brute force attacks among other features. Visit the product website http://ophcrack.sourceforge.net/ for more information and how to use it.
Password Cracking Counter Measures
Hacking Activity: Hack Now!How To Find Saved Passwords On Mac
In this practical scenario, we are going to crack Windows account with a simple password. Windows uses NTLM hashes to encrypt passwords. We will use the NTLM cracker tool in Cain and Abel to do that.
Cain and Abel cracker can be used to crack passwords using;
We will use the dictionary attack in this example. You will need to download the dictionary attack wordlist here 10k-Most-Common.zip
For this demonstration, we have created an account called Accounts with the password qwerty on Windows 7.
Password cracking stepsHow Do You Hack Passwords
Summary
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