Why we should not repeat password on different websites?
Using the same password for multiple accounts is basically a hackers delight because they are able to basically double dip into your several accounts. There are multiple different ways hackers can to get access to your accounts. There are brute force attacks which are basically trial and error.
Do websites keep old passwords?
Don’t worry, the sites don’t need to store your old passwords. They simply need to store the salts and hashes of your previous passwords. So, even if their system was compromised, your previous passwords would not be revealed.
How to prevent the re-use of passwords?
To prevent re-use, use the “Enforce password history” setting. Was this post helpful? Thanks for your feedback! This person is a verified professional. Verify your account to enable IT peers to see that you are a professional.
Is it safe to reuse old passwords on a computer?
Nevertheless, if a system administrator wants users to change their passwords, then forbidding password reuse is quite logical: if users reuse old passwords, then they are not really changing their passwords. Whatever benefits could be obtained from password change, would be canceled by old password reuse.
Why do some services require passwords to be periodically changed?
The first question is: why do some services require passwords to be periodically changed. The answer is “Risk Mitigation”. Corporate governance requires IT security policies to be defined in accordance to a risk management plan. One of the question that risk management plans ask is how can one mitigate a risk if it occurs.
Why do some sites prevent users from reusing their old?
Alternatively, sometimes there are external compliance requirements that may force system administrators to impose these kinds of requirements. Those compliance requirements may not actually be useful or sensible, but if they exist, there is no choice: you have to comply.