Linked Questions

0
votes
1answer
490 views

What are the implications of an overly-restrictive password policy? [duplicate]

I came across an interesting password policy online recently: "Please be sure to enter a password that meets the following criteria: must be 8 characters long must not be based on dictionary words ...
0
votes
2answers
130 views

In addition to using strong hash algorithms, what is a good “password requirement”? [duplicate]

Assuming the use of bcrypt/scrypt: Would it be a good idea to "require" a password of at least 12 characters, also mentioning the possibility of using long passphrases, instead of your typical 8-...
0
votes
1answer
103 views

MDM: Semi-Complex Password Implications [duplicate]

What would be the security implications if an organisation decided to impliment semi-complex passwords (one letter and one letter), and not fully complex. I'm thinking in terms of mobile devices and ...
570
votes
23answers
136k views

How does changing your password every 90 days increase security?

Where I work I'm forced to change my password every 90 days. This security measure has been in place in many organizations for as long as I can remember. Is there a specific security vulnerability ...
105
votes
17answers
24k views

Is “password knocking” a good idea?

With port knocking, you have to "knock" on specific ports in defined order to expose a port on which service is running. How about password knocking? For example you have three passwords: A, B and C. ...
114
votes
11answers
21k views

Password rules: Should I disallow “leetspeak” dictionary passwords like XKCD's Tr0ub4dor&3

TLDR: We already require two-factor authentication for some users. I'm hashing, salting, and doing things to encourage long passphrases. I'm not interested in the merits of password complexity rules ...
25
votes
3answers
2k views

How can we accurately measure a password entropy range?

I've given myself the task of writing code that determines the strength of a password, and really want to break out of a lot of already established ways we do that, as they're often lacking, not ...
6
votes
7answers
1k views

What are the weaknesses of this password-generation-method? How can it be improved?

I recently came up with the problem, that I have much more accounts, than I'm able to remember passwords. I don't want to use a password-safe, because I cannot access it on another computer, I lose ...
10
votes
1answer
1k views

Why don't Twitter and Facebook enforce password complexity during sign up? [closed]

If you try creating an account using your smartphone, these platforms don't seem to have strong password requirements. They both enforce a minimum 6 character limit and nothing else (I did however ...
0
votes
1answer
552 views

SVN Password Requirements [closed]

Is there a general rule of thumb when it comes to administrating SVN user passwords, should it be necessary that they must meet complexity requirements?
0
votes
1answer
196 views

How to check an open source product for password handling quality?

I just created an account on Magento Commerce, which is an online shop solution. During account creation, I entered a password. Personally I prefer longer, generated passwords that do not contain ...