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

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10
votes
3answers
941 views

Should an admin user be able to edit passwords?

For your typical web app, should an admin superuser have the right to edit a user's password, or should only that user have the right? (Even with edit ability, the admin would never see the current ...
11
votes
7answers
2k views

Prevent denial of service attacks against slow hashing functions?

I've been thinking about bcrypt recently, and what I wonder is if there's a way to deal with the inherent (D)DoS problems with slow hashing functions. Namely, if I set up bcrypt so my machine takes ...
4
votes
11answers
4k views

Definitely safest password storage scheme?

I already asked this on StackOverflow but I was suggested this would be a better suited place and I found no way to "move" the question so I have to copy it. Believe, I know, there are hundreds ...
1
vote
1answer
330 views

Should I mount my mac Truecrypt Volume elsewhere?

I've read in various places to not mount your truecrypt volume in the same place as your Dropbox or Sugarsync folder. I believe this only matter for Mac/Linux, but I need some verification. On a Mac, ...
16
votes
2answers
4k views

How big should salt be?

I will be using scrypt to store passwords in my application. As such, I'll be using SHA-256 and Salsa20 crypto primitives (with PBKDF2). Having that in mind, how big salt should I use? Should it be ...
11
votes
4answers
545 views

What is the best way to hand out passwords to a widely spread diverse employee base?

I have a problem I need to solve - specifically, how to hand out passwords to people in a variety of locations, and with a wide variety of access. I've thought of some options, but there are ...
1
vote
1answer
226 views

Can accounts still be logged onto if Password Caching is not enabled?

This is kind of an extension of my other question.. If you were not storing any of the passwords locally (caching disabled), would a user some how still be able to circumvent around this security ...
3
votes
1answer
491 views

Best security algorith for storing passwords [duplicate]

Possible Duplicate: Which password hashing method should I use? I want the best cryptography algorithm for storing passwords in database, which one should I use and how can I implement ...
23
votes
5answers
3k views

Do spaces in a passphrase really add any more security/entropy?

I often see passphrase suggestions written as a sentence, with spaces. In that format are they more susceptible to a dictionary attack because each word is on it's own as opposed to a large unbroken ...
10
votes
2answers
2k views

How does Google not care about “spaces” in Application-specific passwords?

I have recently setup "2-step verification" for my Google account. One of the features is the ability to create "Application-specific passwords " for devices that do not support the 2 step process. ...
3
votes
1answer
464 views

HP ProtectSmart In A Domain?

All of our HP PCs come with this software pre-installed, I'm a bit inclined to outright remove it because: Credential manager stores passwords by default (this has lead to user confusion, plus ...
4
votes
1answer
573 views

Android for the Paranoid

In the case of a rooted phone, what are the various options to stay anonymous and keep your data secure? I've seen the guys at The Guardian Project work towards this: ...
7
votes
2answers
2k views

Keeping user data private in a cloud environment like Google App Engine

I am writing an open-source Java application for Google App Engine (GAE). The application will let users create content that is intended to be private. I want to provide reasonable assurances that ...
13
votes
3answers
530 views

Is it possible to not store passwords locally, at all?

Earlier this year I was playing around on the schools computers and found out the administrative password to a computer in my classroom. I realized how XP stored their passwords, booted into Ubuntu, ...
3
votes
4answers
5k views

Should I enable domain authentication in my DMZ

Traditionally at my place of work we have an internal subnet that is completely protected behind our firewall. No ports are allowed to be opened to direct connections from the public network. We also ...
14
votes
2answers
15k views

Sudo password when authenticating via passwordless SSH

I've got a few boxes all networked together on Amazon EC2, each of which are in automated communication with each other via SSH (rsync, etc). As such, I've created SSH keys on each of these machines ...
5
votes
2answers
224 views

How should hospitals handle the use of sharing credentials to access sensitive information, especially in critical situations?

Most organizations today hold individuals accountable for their actions on systems and networks by unique user IDs and passwords. However, imagine working in a hospital environment where access to ...
5
votes
6answers
869 views

What is the use of password encryption?

Why do we encrypt passwords? Is it to protect the password from eavesdropping? to protect the password after saving it in database? both? or for some other reason?
15
votes
4answers
720 views

How should I respond to poor password security?

My son's school uses a 3rd party to handle tuition and fee payments. I have recently come to the realization that they completely fail in the area of password security. Last month they sent a ...
3
votes
1answer
549 views

Saving connection parameters in an RDP file

For connecting to a remote Windows Server 2008 I use a standard Windows 7 RDP remote desktop connection. In an RDP dialog there is an option to save connection parameters to an RDP file to use it ...
19
votes
4answers
21k views

Is it possible to easily retrieve Thunderbird's passwords with access to HDD?

I know Firefox 8 stores it's passwords in a SQLite database, which can easily be stolen with access to the HDD! What about Thunderbird 8? How does it store the passwords and how can one retieve them? ...
4
votes
2answers
2k views

Keepass client on Android (reliable one)

I need some advice to choose a Keepass client on Android phone which can synchronize using Dropbox. As i keep all my passwords in one place, I would like to keep it safe. Is KeepassDroid client safe ...
4
votes
5answers
479 views

Am I required to hash passwords

Is one required to hash passwords by law in the US or elsewhere? If not required by law, are there legal ramifications if unhashed passwords are stolen? If not required in the US, but required in the ...
49
votes
3answers
56k views

How difficult to crack keepass master password?

How easily could someone crack my keepass .kdbx file if that person steals the file but never obtains the Master Password? Is this a serious threat, or would a brute force attack require massive ...
3
votes
3answers
905 views

Best password storage scheme for high entropy, unique passwords which is failure resistant [closed]

What is the best, most secure, easiest way to: store unique, strong passwords for every service which requires authentication make the system resistant (total loss of security is avoided, breaches ...
25
votes
4answers
4k views

What should be used as a salt?

I always hear that it is best to use salts on top of stored passwords, which then somehow gets concatenated and hashed afterwards. But I don't know what to use as a the salt. What would be a good ...
6
votes
3answers
6k views

Creating username policies and best practices

I have found a tonne of information on password policy all over the Internet and several best practices checklists. However from a username point of view I could not find much. I thought it would be ...
15
votes
4answers
883 views

If a website allows another person to get a list of the site's users passwords, how likely is it that the passwords are stored in cleartext?

We had an incident where some of our managers were given passwords for the people they supervise using a particular company website. Ostensibly it was done so the managers could check in on the users ...
2
votes
0answers
688 views

Adding an alternative password change scheme to passwd using PAM modules [closed]

I am trying to set up a PAM module that lets one add a conditional password change scheme. The intended behavior is like this: passwd do you want to change authentication token for ...
13
votes
2answers
187 views

Would suggesting a random passphrase during sign-up hurt overall security?

I've been looking for ways to improve security and security awareness for both internal and external clients and I happened upon the idea of generating a one-time, random "password suggestion" on the ...
8
votes
2answers
2k views

Benefits and drawbacks of giving an Administrator two accounts for elevated rights and another for daily use, such as email

Microsoft has long promoted the need to separate administrative accounts from regular use accounts, as shown with this guidance MSFT even went to far as create ADMINSDUser rights to put ...
8
votes
4answers
2k views

Is forcing users to change passwords useful?

In many places, there's a policy that force the user changing it's password once a few months. The logic here is, that even if the password have leaked somehow, it'll be abused only for a relatively ...
50
votes
12answers
10k views

What to do about websites that store plain text passwords

I recently received an email from a popular graduate job web site (prospects.ac.uk) that I haven't used in a while suggesting I use a new feature. It contained both my username and password in plain ...
2
votes
2answers
302 views

Company sending Master passwords in unencrypted emails

If a company has terrible security policies like letting people email password in cleartext emails, what to do if they reject all fair minded advice?
19
votes
2answers
3k views

Sending temp password when users first registered - is that good for anything?

One of our clients has sent us a list of security requirements. One of them was that registration does not including setting a password - once complete, a temp password is sent to the user, and the ...
13
votes
4answers
440 views

Can apps be trusted when requesting your credentials?

I recently bought a newsreader app for my tablet that connects to Google Reader. To do so, it required my Google account password. Isn't this effectively the same as handling the password to the ...
4
votes
1answer
508 views

How can I manage multiple sets of passwords accessible by different users? [duplicate]

Possible Duplicate: Sharing passwords and credentials between founders and employees I use KeePass for my personal passwords. I would want to use it for my business, too, but the only way ...
9
votes
4answers
2k views

Passwords - any statistics on user behavior?

I'm looking for analyses of how users choose and use passwords. I'm sure there are many resources out there that analyze user passwords. For instance, I've seen many people analyze dumps of password ...
25
votes
6answers
12k views

Sharing wifi at a business - Bad Policy?

Is it safe for a small business to let customers use their wifi while waiting? My friend is starting up a small dentistry practice (1 dentist), and I'm setting up his computers/wifi as a favor. ...
9
votes
3answers
8k views

Security of passwords remembered by Windows

Does Windows XP or Windows 7 encrypt saved passwords? I'm assuming that the user uses local password to logon. The user then uses his own computer to connect to server in work and sets the "remember ...
8
votes
3answers
557 views

How is “anonymous” getting ahold of all these plain-text passwords

In the last several months there have been several publicized data breaches and public website defacements done by several different hacking groups (which the media loves to group under a single ...
40
votes
7answers
3k views

“Real” Salt and “Fake” Salt

During a Q&A period at DEFCON this year, one member of the audience mentioned that we're using "fake salt" when concatenating a random value and a password before hashing. He defined "real salt" ...
7
votes
4answers
2k views

Web browser password management security [duplicate]

Possible Duplicate: How are browser saved passwords vulnerable? How secure are the password managers that are built into modern web browsers? Currently I use lastpass plugin as I believed ...
35
votes
3answers
2k views

Am I wrong to believe that passwords should never be recoverable (one way hash)?

I recently forgot my password for our cable provider online account, only to discover that they sent it to us via plain text in an email. I quickly sent an email to customer support asking them if ...
32
votes
1answer
5k views

Are there more modern password hashing methods than bcrypt and scrypt?

This question made me start thinking about password hashing again. I currently use bcrypt (specifically py-bcrypt). I've heard a lot about PBKDF2, and scrypt. What I'm wondering is if there are any ...
51
votes
8answers
4k views

Is it OK to tell your password to your company's sysadmin?

I'm working in a small company (20 employees) as a senior software engineer. After having problems with my email, our newly employed IT administrator asked me to write my user password to someone in ...
15
votes
3answers
566 views

Is it OK to tell your password to an admin? [duplicate]

Possible Duplicate: From a security point : Is it OK to tell your password to an admin? I am working in a small company (20 employees) as a senior SW engineer. After having some email ...
15
votes
6answers
4k views

Managing website passwords for small team

I'm part of a small group of people who manage a website and the server it runs on. We have many accounts with third-party websites or services that multiple people on the team need to access. What is ...
21
votes
3answers
5k views

Security of LastPass + YubiKey

I'm looking at password manager solutions and came across LastPass. I see they also support two-factor authentication using YubiKeys. How secure is this combination for password management? What are ...
6
votes
2answers
861 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 ...