Based off this paper resulted in increased cracking accuracy by 22.5% from John the ripper’s Markov and incremental model created a tool that wass flexible enough to perform n-gram and markov chains based password generation using a cracked password list. It works because a large number of users use some part of their email or username or any other detail in their password and if we can first check passwords that start with n grams containing usernames portions, user emails portions etc, then we can intuitively speed up the accuracy and the experiments proved this intuition right. Another reason for increased accuracy was using a training word list from the same category as that of website i.e adult/relationship websites. These two factors were the main cause of the increase in accuracy.
Except when he’s your password…
An analysis of passwords found in the 2009 breach of Rockyou — 32 million accounts — finds a large number of Biblical references (“jesus”,” “heaven”, “faith”, etc), including a number of Bible verse references (“john316”).
Another too-popular choice is “jesus,” or variants like “jesus777” and “jesus143.” Collectively, more than 21,000 people in the breach used the Son of God’s name as a password, making it the 30th most common password overall, a bit behind “tigger” (No. 22) and ahead of “football” (No. 45).
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Kon-Boot has updated to support macOS Sierra systems, allowing you to login into the system without knowing the previous passwords/user names. By virtually modifying the EFI bios and then modifying parts of the kernel. The changes are only made in virtual memory and they disappear after reboot. Kon-Boot allows you to either login into selected account without knowing the password (bypass mode) or it will create new “root” account for you (new-account mode) from which you will be able to change other users passwords as needed.
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Filippo lost his OpenBSD Full Disk Encryption password and is taking the time to figure out a way to extract and bruteforce the password, it’s currently a work in progress but a great way to learn.
The same hacker who was selling the data of more than 164 million LinkedIn users last week now claims to have 360 million emails and passwords of MySpace users, which would be one of the largest leaks of passwords ever.
The passwords were originally hashed with the SHA1 algorithm, which is known to be weak and easy to crack, and they were not salted. “Salting” makes decrypting passwords exponentially harder when dealing with large numbers of passwords such as these.
Below are the top 55 passwords that LeakedSource cracked so far.
Earlier this week passwords that were jacked from LinkedIn from 2012 were offered for sale online. What initially thought to be a theft of 6.5 million passwords has actually turned out to be a breach of 117 million passwords. The cache of stolen accounts were hashed with the recently deprecated SHA-1 algorithm. leakedsource.com was able to get their hands on the dump the passwords weren’t salted and easily cracked. Below are their results.
Researchers, Kai Cao and Anil Jain, from the Department of Computer Science and Engineering at Michigan State University have loaded up an inkjet printer with cartridges designed for printing electronic circuits, and used the output to fool smartphone fingerprint sensors on a Samsung Galaxy S6 and a Huawei Honor 7. They just needed a reversed scan of the victim’s fingerprint, and an inkjet printer loaded up with ink and paper from printed electronics specialist AGIC. Read their paper ::HERE::.