The functions performed by the person or processes responsible for security of passwords on a given system.

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6
votes
2answers
741 views

Is it better to hash n*x times in sha1 or n times in sha512 on the client side?

I already know I"m going to hash the user's password n times in either sha512 or n*x in sha1 before it is sent to the server. Once at the server, I'm going to use bcrypt set to use ~1/100th of a ...
2
votes
0answers
75 views

How to secure all my passwords with Kee Pass 2 or something else? [duplicate]

Possible Duplicate: How to securely store my passwords? I have a lot of passwords to lots of logins across websites, SSH logins, e-mails and what not. Is there one program that can secure ...
3
votes
7answers
979 views

Sharing passwords and credentials between founders and employees

What's the best way to share passwords and credentials from the business's various accounts in a secure manner? For example, email doesn't work because if someone gets into one of your employee's ...
283
votes
20answers
47k 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 ...
20
votes
2answers
1k 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 ...
8
votes
1answer
636 views

How to prepare for protecting identity after death?

In the context of online accounts and identities, what are some best practices to prepare for the one certainty we all face: not a one of us will get out alive.
7
votes
4answers
3k views

How to implement a “Remember me” on a mobile app?

I would like to implement a "Remember Me" time-limited auto-login type feature on a mobile application (on Android). To start the app, the user must type in a username and password. For convenience, ...
42
votes
5answers
3k views

Do security questions subvert passwords?

Do security questions subvert hard to crack passwords? For example, if a site requires passwords with a certain scheme (length + required character sets) and has a security question, why would someone ...
20
votes
3answers
4k views

Password manager vs remembering passwords

I have always thought that you are not supposed to use a password manager but to keep your passwords in your head, but lately I have thought about the pros and cons of having a password manager. Some ...
8
votes
6answers
2k views

How to securely store my passwords?

Regarding this: Are passwords in memory? So does someone have a good idea on how to securely store my passwords? The: "passwords.txt" -> ctrl+c; ctrl+v a passw is not very secure. I have passwords ...
17
votes
3answers
2k views

Are passwords in memory?

I have an encrypted HDD (dm_crypt). That's why I store my passwords in a simple text file. I usually copy/paste the passwords from it. Ok! Q: If I open this text file then it goes into the memory. So ...
9
votes
4answers
561 views

Should I obfuscate passwords before hashing? Should I pre-hash them on the client? What about salts?

For fun, and in my spare time I'm creating a simple CMS for my own purposes (with hopes to release for wider use... later), using PHP. I'm currently working on the login scheme now, and have a few ...
17
votes
3answers
2k views

Recommended policy on password complexity

Is there any research on how how a password complexity policy can increase or decrease the quality of passwords? If you don't have any requirements on the password then probably 90% of users will use ...
4
votes
2answers
188 views

How can IA-5(1)(b) be enforced on non-Windows systems?

I have a question posted already for this issue in Windows systems, and thought that non-Windows systems should perhaps be covered separately. In NIST SP 800-53 Rev. 3, IA-5 is the control addressing ...
31
votes
6answers
3k views

How can a system enforce a minimum number of changed characters in passwords, without storing or processing old passwords in cleartext?

In some environments, it is required that users change a certain number of characters every time they create a new password. This is of course to prevent passwords from being easily-guessable, ...
7
votes
2answers
620 views

How can IA-5(1)(b) be enforced on Windows systems?

Note: I've also posted a question for this issue on non-Windows systems. In NIST SP 800-53 Rev. 3, IA-5 is the control addressing "Authenticator Management". The requirements in this control include ...
5
votes
2answers
893 views

Password History/Password policy

I'm referring to "remembered" password that the domain keeps so a user cannot reuse that password until it has expired in what was set at Password Policy on DC (W2003/W2008). Where is password ...
5
votes
2answers
311 views

How can I detect users that have requested AD Administrators to reuse an expired password?

There is a trend among companies I've worked at where administrators (or helpdesk folks) give a user a courtesy extension of the old expired password... rather than forcing the user to change it. ...
15
votes
2answers
10k views

FOSS Enterprise Password Management Solution

Can anyone recommend a F/OSS enterprise password management solution on/around the same level as something like Cyber-Ark? Specifically, something along the lines of a standard password manager, ...
9
votes
6answers
385 views

How can I ensure that default passwords are no longer in use?

There are two situations in which 'default' passwords get used on a network: A new user is registered. In her registration pack, along with her new username, e-mail address and so on is her initial ...
65
votes
8answers
7k views

Can anyone provide references for implementing web application self password reset mechanisms properly?

We are implementing self password reset on a web application, and I know how I want to do it (email time limited password reset URL to users pre-registered email address). My problem is that I ...
3
votes
1answer
119 views

Protect file in a web site

How would you protect a password file in a web site? Is hashing the individual passwords not enough? What other steps do I need to follow?
31
votes
9answers
2k views

Is there a method of generating site-specific passwords which can be executed in my own head?

I was thinking recently about password security. My goal is to have mostly random passwords, that are different for each site. But you also should be able to remember them (or re-generate them) ...
18
votes
9answers
4k views

Password Management within an Organisation

Within an organisation there are many passwords such as those for root accounts on servers, hosting accounts, router logins and other such things, that need to be kept track of. I know in some ...
4
votes
0answers
1k views

Hints for safe passwords that are easy to remember [duplicate]

Possible Duplicate: What is your way to create good passwords that can actually be remembered? What are good hints to create passwords that are both safe and comfortable? By comfortable I ...
15
votes
8answers
985 views

Password management/synchronization?

Is there a good enough service I could run on my own home (Linux) server that I could use for storing/accessing/synchronizing passwords so they could be available for me from multiple ...