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

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Is it safe to paste secure notes into Notepad if you clear your clipboard? [duplicate]

Password manager software such as LastPass and Keepass often offer some form of a secure note feature, which allows the user to encrypt data with their master password. However, their GUIs may not be ...
1
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0answers
41 views

How secure is the native browser password autofill?

Safari, Chrome, Firefox, Edge, and IE all either have a suggest-password feature, or password archival feature. How secure are these passwords when stored on a computer? If replicated, how secure ...
0
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2answers
58 views

How can password mangers be secure? [duplicate]

I have been recommended to use a password manager, but I don't understand how it can be secure. Any passwords it saves have to either be stored in strings or encoded in a way that is easy enough to ...
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2answers
65 views

Security of picking unique passwords for users [duplicate]

I am learning more about security in web design so I can build more robust sites. As I see it password security is one of the main concerns, if a database is hacked then chances are passwords will be ...
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2answers
53 views

Does the use of an on-screen keyboard give a false sense of security or protect against all types of keyloggers? [duplicate]

Does the use of an on-screen keyboard (OSK) give a false sense of security? For example when people use the OSK in an attempt to prevent key-loggers from logging information like passwords, typed on ...
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3answers
78 views

Why does Google require re-authentication before being able to start the password change process?

When a user wants to change the password for an account most web applications present a form where the user needs to enter the new password and the old password. So far I thought that I understood the ...
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1answer
26 views

Risks and strategies to implement anonymous storage of Google Cloud Messaging tokens?

I'm writing a mobile app that aggregates weather data and generates a push notification when certain criteria are met. The user has the option to change some of the variables (e.g. if the current ...
0
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1answer
30 views

Why LastPass logs me out periodically? [closed]

I'm using LastPass password manager extension in Google Chrome. I have to input your MASTER password (LastPass's password) to login and get all the functionality of the manager such as autofill ...
5
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1answer
110 views

Is Google's objective to kill passwords justified?

Google's Trust API has already been tested out in “several very large financial institutions” in June. It apparently uses a combination of multiple weaker indicators such as biometric indicators as ...
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1answer
27 views

Storage of account password on keychain iOS to enable TouchID login

Currently in the middle of a rather long-winded process of deciding upon the use of TouchID within an application being developed due, to security concerns, and wondered if anyone had any advice? The ...
0
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3answers
70 views

Are there any security advantages to forcing a password-character limit on reset, but allowing unlimited character in password-login?

I was resetting a password a few moments ago, and I was given a character limit of around 10 characters to make a secure password with. After resetting the password, I went to enter my password, and ...
0
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1answer
57 views

Should all web applications implement a security feature that stores historical passwords? [duplicate]

In addition to Is it safe to store a password hash history for preventing user to keep same password repeatedly in some cases?. Facebook, and other companies, are storing historical passwords of ...
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5answers
192 views

How secure is a password protected file?

I have a password-protected excel file that stores other personal passwords. Obviously there have been a number of ways to crack the password. community.spiceworks.com Where do you guys store ...
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2answers
100 views

How secure is the hashing/salting/stretching process as described in this diagram?

Question I was just brainstorming about the hashing, stretching, salting part of the user password in the authentication process and I want it to be as secure as possible (no matter how paranoid that ...
38
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8answers
8k views

How to securely ask for passwords of customer as consultancy firm?

In my work as a developer, I need username/password combo's from the customer sometimes to make sure the settings on 3rd party services are correct to work with the website/application we are building....
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0answers
50 views

Password manager that uses a mix of long and short key derivation functions [duplicate]

I was reading "A Convenient Method for Securely Managing Passwords, Halderman et al., 2005". In short, the authors say to do the following: cache = very_long_key_derivation_function(salt,...
3
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2answers
72 views

Multiple passwords, same account, different privileges

Many of our clients in the field often need to use untrusted computers to access their account on our website (no 4G/WiFi). We have had multiple cases of credentials being leaked leading to several ...
5
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4answers
129 views

What are possible methods for calculating password entropy?

I noticed there are tons of questions and answers about password entropy on this forum, some even suggesting formulas for calculating it. None did answer my exact question. What are possible or ...
2
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1answer
90 views

How to force Firefox to remember passwords?

I use 32-character (128-bit) randomly generated passwords. It's a little bit hard to remember them all, so I use encrypted keyring built into firefox. In this way I have different passwords to ...
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2answers
164 views

Is there any recommended approach for “upgrading” MD5 hashes to something secure? [duplicate]

I'm currently dealing with a couple of user accounts containing MD5 hashed passwords. These accounts got migrated from an old system into our current system which uses PBKDF2 for password hashing. I ...
0
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0answers
40 views

Manually computable passphrases [duplicate]

I need to revamp my password scheme for my various logins on different sites. I had the idea to try and craft a method where I could, using just my brain, algorithmically recall a password so that ...
0
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0answers
38 views

I want to deploy from GitLab to AWS - so where exactly do I store my private key?

This seems like an odd and simple question, but I'm trying to get my head around the principle of "never check a private key into version control". I'm trying to build a startup of sorts, where ...
2
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1answer
79 views

What encryption is used by 1password?

I use a password storage application on my Mac called 1password. I was wondering if it encrypts the data it stores on my computer and decrypts it using a key made from my "one password" or if it has ...
3
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1answer
63 views

Where and how to create secret on embedded Linux system?

I'm using OpenSSL on an embedded Intel Edison (Atom Platform) running an Yocto Linux. I want to store passwords with OpenSSL on the device, but I don't know after which rules I should create the ...
2
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0answers
57 views

Protecting against specialized Keepass attacks

If you look at the KeePass security information, it says: However in all the questions above we're assuming that there's a spyware program running on the system that's specialized on attacking ...
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0answers
16 views

Password Managers — Generating Passwords On The Fly a Safe Approach? [duplicate]

Most password managers store user credentials for individual services encrypted on their own back-end databases, so that your passwords are available on multiple devices. So, a DB compromise on these ...
0
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1answer
32 views

Attacking encrypted storage vs attacking memory [duplicate]

I want to create a generative password manager. Generative password managers generate passwords based on seeds such as the master password and the website's URL. In contrast, most password managers ...
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2answers
107 views

Secure password generation for different websites [duplicate]

I came up with the idea to generate passwords for internet sites by the following shema: $masterpassword $hostname $TLD hashfunction($TDL.$masterpassword.$hostname) So the actual password is a ...
0
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1answer
36 views

Securely stored secondary password

I'm currently writing a portal site for Microsoft Dynamic CRM, the portal works like this: Each user has his own account to login to my portal. Each user is assigned a seperate CRM credential by ...
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2answers
97 views

Will hashing a password, and then splitting it into multiple db fields increase security? [duplicate]

I've been reading up on Password hashing, and it seems like there is a lot of opinions on "What's right." I'm curious about the possibility of storing a split of a Hashed password in multiple user ...
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3answers
83 views

Is there something other than “if” and “else”

There are many ways for protecting a password like using strong algorithms like SHA-512, using salts, encrypting the database where the password is stored, packing the license file with UPX etc and ...
2
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1answer
57 views

Will the Credential Management API now available in Chrome 51 be widely adopted?

Google Chrome 51 stable includes support for the Credential Management API. This implementation is based on the W3C spec. Will other browsers support this technology (particularly Safari)? Will web ...
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1answer
46 views

Password manager login with compromised certificates

This morning I booted my work laptop as usual and logged in to Windows, then my password manager (Dashlane, if it makes a difference) as usual. Opening up Chrome and browsing to a site with HTTPS ...
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1answer
174 views

How can Windows 10 not have the password in memory?

I have read that Windows 10 does not hold the password in memory from the creator of mimikatz: Starting with 8.x and 10, by default, there is no password in memory. Exceptions: When ...
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1answer
92 views

If I am an admin of a WiFi router can I learn the password when it gets change by other admin? [closed]

I have a Huawei WS319 router. The admin password is known to me and my friend. Is there any way to learn WiFi password (through automatic notification) if it gets changed in the future, given that I ...
38
votes
10answers
8k views

How can I securely check if a username exists?

I'm working on the onboarding functionality of my web app and at some point I'm asking a new user to choose a username. When the user gets to this point, I have his/her email and a cellphone number ...
13
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1answer
3k views

Should I hash my passwords even if I am only allowed to generate limited traffic?

At this moment I'm busy working on an webapp with a friend of mine. The main problem we have is that we are only allowed to generate 50 GB a month in datatraffic. My question is: Does hashing the ...
19
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5answers
4k views

How to tell if a webapp transmits my password in cleartext?

I am trying to see if a webapp transmit password in some form of cleartext. The problem is that the web app is NOT using https! This is why I wondering is my passwords is sent in clear text. I've ...
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1answer
87 views

maximum reasonable password length [duplicate]

I often register at different sites and I generate password for every one. What length should I use? What is the maximum reasonable password length? 10, 50, 100 characters?
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2answers
450 views

How to store the access token / password reset token in the database?

I have an access code that is sent to users so that they can access the site in one-click. From terms of access it's very similar to the password reset url, so I assume the same assumptions apply. E....
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1answer
149 views

How can this encryption algorithm be improved?

I am currently developing an application to store my passwords safely. It will be a proof-of-concept at first, but I am planning to upgrade it later. Anyway, here is how the passwords are accessed: ...
1
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1answer
48 views

Is there a functional difference between `chage -M 99999`and `chage -M -1`on Linux?

My group just requested a security scan on some of our development systems and were informed that a number of system type accounts were insecure because the password did not have a maximum time limit. ...
10
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3answers
1k views

An authoritative source for why you should NEVER give your password to anyone?

I know this might be a bit subjective, but it's based on this popular question here. Hopefully this is acceptable. The problem with that question and answer is that I can't send it to my boss and ...
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0answers
37 views

Scheduled tasks that need domain admin privileges

I have a Windows 10 box that runs a whole bunch of Powershell scripts, some of those contain cmdlets that need to be run against a DC, or mail server, for eg. Get-ADComputer, and Get-DhcpServerv4Scope....
0
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2answers
60 views

Replacing files with infected files on anonymous ftp server

I am creating a new question as i now have another question which was raised from a previous answered question post. What im trying to figure out is would this scenario be possible. I have an ...
0
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2answers
58 views

How to properly hash a key? big vs small digest

We have to roll (decommission) database access keys often, but it's important to know which key each system is using in order to avoid removing a key in use thus creating unavailability. We want each ...
2
votes
1answer
82 views

Is storing passwords encrypted with GnuPGP on an anonymous FTP server safe?

I would like some advice on a method of storing passwords to a database on my anonymous FTP server. Basically I have login details for a few trusted users to a database server stored in a text file ...
0
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3answers
40 views

How secure is it to use passwords consisting of one common part and one site specific prefix? [duplicate]

One of the greatest problems with passwords is having to remember different passwords for different sites. Some people use password managers, others use the password reset link every time they want to ...
7
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1answer
127 views

What are the recommended scrypt cost factors for 2016?

I've been trying to look for the answer, but the latest one I found was outdated by three years. So what are the recommended scrypt cost factors for 2016?
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0answers
51 views

Does an account with a !! /etc/shadow entry have to still expire?

Currently where I work, our password policy is set at 84 days. This is set in our login.defs on all of our Linux machines. We have policies that are set around PCI DSS 3.1 and the like, this goes for ...