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Think you have a strong password? Hackers crack 1. 6- character passwords in less than an hour. During an experiment for Ars Technica hackers managed to crack 9. Six passwords were cracked each minute including 1. By. Victoria Woollaston.

Published. 1. 7: 1. BST, 2. 8 May 2. 01.

The success rate for each hacker ranged from 6. The hackers also managed to crack 1. A team of hackers have managed to crack more than 1.

Ars Technica. The success rate for each hacker ranged from 6. The hacker who cracked 9. HACKING JARGON EXPLAINEDHashed passwords - Hashing takes each user's plain text password and runs it through a one- way mathematical function.

Sometimes the most simple of tools turn out to be the most helpful. That's definitely the case with Password Finder.Password Finder is a free Firefox add-on.

This creates a unique string of numbers and letters called the hash. Hashing makes it difficult for an.

This means if a list is stolen, the plain text passwords can't be obtained easily. Cryptographic salt -  Sites will add cryptographic salt to passwords to make them harder to crack.

Think you have a strong password? Hackers crack 16-character passwords in less than an HOUR. During an experiment for Ars Technica hackers managed to crack 90% of.

This includes adding random numbers. Rainbow tables - A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes. Tables are usually used in recovering the plaintext password, up to a certain length consisting of a limited set of characters. The hackers, working for the website Ars Technica, have now published how they cracked the codes and the traditional methods used to create an anatomy of a hack.

Rather than repeatedly entering passwords into a website, the hackers used a list of hashed passwords they managed to get online. Hashing takes each user's plain text password and runs it through a one- way mathematical function. This creates a unique string of numbers and letters called the hash. Hashing makes it difficult for an attacker to move from hash back to password and it lets sites keep a list of hashes, rather than storing them insecurely as plain- text passwords. This means if a list is stolen, the plain text passwords can't be obtained easily. However, this experiment shows this doesn't mean its impossible. When a user types a password into an online form or service, the system hashes the entered word and checks it against the user's stored, pre- hashed password.

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When the two hashes match, the user is allowed entry to their account. And using characters, a mix of lower and upper case letters and numbers creates slight variations of a hash. The example, Ars Technica use is: hashing the password 'arstechnica' produced the hash c. Adding capital letters to make 'Ars. Technica' becomes 1d.

Jeremi Gosney, the founder and CEO of Stricture Consulting Group, managed to crack the first 1. He used a so- called 'brute- force crack' for all passwords that were one to six characters long. Brute- force attacks is when a. It took Gosney just two minutes and 3. Gosney then used brute- force to crack all passwords seven or eight characters long that only contained lower letters.

This yielded 1,6. He repeated this for seven and eight- letter passwords using only upper- case letters to reveal another 7. This graph shows how long in days it took the Ars Technica hackers to crack the list of 1.

It also shows how long it took to crack passwords based on how long they were. Each hacker used a combination of wordlists, brute- force attacks and Markov chains to crack the list. One hacker managed to crack 9. Using passwords that contained only. Gosney managed to brute- force 3. Gosney has spent years perfecting.

One hurdle Gosney had to jump during stage one of the hack was 'salted hashes', a technique where sites add random characters to passwords to make them harder to crack. This can include adding random numbers. However, Gosney explained that once. Once Gosney had obtained the weaker passwords, even those that had been salted, using brute- force he moved onto stage two. Using a hybrid attack - which. It took him 1. 4 hours and 5. MORE HACKING JARGON EXPLAINEDMarkov chains - This method uses previously cracked.

A Markov attack on a seven- letter. In a six- letter attack, the hacker will start at 'a' and end at '//////'He recovered 5.

He next added all possible three- character strings to get another 5. Thirdly, he added all four- digit number strings and he took 2. In round four he added all possible strings containing three lower- case letters and numbers and got 4. In five hours and 1. He continued to crack the rest of the passwords using a hybrid attack and cracked a total of 1. During the third stage, in which Gosney attempted to crack the most complicated passwords, he used a mathematical system known as Markov chains. This method uses previously cracked passwords and a statistically generated brute- force attack that makes educated guesses to analyse plain text passwords, and determine where certain types of characters are likely to appear in a password.

A Markov attack on a seven- letter password has a threshold of 6. How Did I Get Here Quotes And Sayings here. A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes.

Tables are usually used in recovering the plaintext password, up to a certain length consisting of a limited set of characters. TYPES OF PASSWORDS RECOVEREDSome of the longer, stronger and more noticeable passwords that the hackers were able to recover included: k. Sh. 1a- labe. 0uf. Apr! l. 22. 19. 73. Qbesancon. 32. 1DG0. Yourmom. 69ilovetofunotwindermere. Band. Geek. 20. 14.

Also included in the list were: all of the lightsi hate hackersallineedisloveilovemy. Sister. 31,iloveyousomuch. Philippians. 4: 1. Philippians. 4: 6- 7 and qeadzcwrsfxv.

From this method, Gosney discovered that people who don't know each other use very similar, and in some cases, identical passwords for the same sites. During this third stage, Gosney also used other wordlists and rules and it took Gosney 1. He managed to get another 1,6. The other two password experts who cracked this list used many of the. They used a wordlist that was created directly from the 2. Rock. You. This hack leaked more than 1. This method cracked 4,9.

The same list was then used again, but this time the last four letters of each word were replaced with four digits. This yielded 2,1. Hacker radix then tried brute- forcing all numbers, starting with a single digit, then two digits, then three digits, and so, and managed to recover 2. He then ran the 7,2. Password Analysis and Cracking Toolkit, developed by password expert Peter Kacherginsky, to identify patterns. A 2. 5- computer cluster that can cracks passwords by making 3.

It was unveiled in December by Jeremi Gosney, the founder and CEO of Stricture Consulting Group. It can try every possible Windows passcode in the typical enterprise in less than six hours to get plain- text passwords from lists of hashed passwords. Radix then used this information to run a mask attack, which uses the same methods as Gosney's hyrbid attack but took less time.

He replaced common letters with numbers, for example he replaced 'e' with the '3' and recovered 1,9. In December, Gosney created a 2. In an email to Ars Technica, Gosney explained: 'Normally I start by brute- forcing all characters from length one to length six because even on a single GPU, this attack completes nearly instantly with fast hashes.'And because I can brute- force this really quickly, I have all of my wordlists filtered to only include words that are at least six chars long. I can just brute- force numerical passwords very quickly, so there are no digits in any of my wordlists.