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In most cases, users choose simplified passwords using only letters or numbers.
In one of the largest research, dedicated to the re-use of passwords, Ata specialist Hakchil conducted analysis of more than one billion leaked credentials and found that every 142 minutes is a common password "123456".
According to a Turkish student, among more than 1 billion data, he found only 168,919,919 unique passwords, of which 123456 were found about 7 million times. This set of numbers is the easiest password of all known to date.
As Hackill noted, the average password length was usually 9 characters, which is not very good, but not so bad either. Most security experts recommend using longer passwords, for example, in the range from 16 to 24 characters or even more.
But password length was not the only problem discovered by Hackchill. According to the Turkish researcher, the password complexity was also low, since only 12% of the passwords contained special characters. In most cases, users chose simplified passwords using only uppercase letters (29% of all passwords), lowercase (26%) or numbers (13%). Thus, about 68% of the total number of passwords out of 1 billion data were vulnerable to brute force attacks.
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In one of the largest research, dedicated to the re-use of passwords, Ata specialist Hakchil conducted analysis of more than one billion leaked credentials and found that every 142 minutes is a common password "123456".
According to a Turkish student, among more than 1 billion data, he found only 168,919,919 unique passwords, of which 123456 were found about 7 million times. This set of numbers is the easiest password of all known to date.
As Hackill noted, the average password length was usually 9 characters, which is not very good, but not so bad either. Most security experts recommend using longer passwords, for example, in the range from 16 to 24 characters or even more.
But password length was not the only problem discovered by Hackchill. According to the Turkish researcher, the password complexity was also low, since only 12% of the passwords contained special characters. In most cases, users chose simplified passwords using only uppercase letters (29% of all passwords), lowercase (26%) or numbers (13%). Thus, about 68% of the total number of passwords out of 1 billion data were vulnerable to brute force attacks.
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