RM is detailed in 27005, but again on a high level without a specific methodology and only listing a few examples (and bad ones at that!). When multiple people need to access correspondence relating to an entire department, generic e-mail accounts are typically used. @jpmc26 This is true, but this is not specific to shared vs non-shared accounts. But in fact, it is equivalent at having an account with no password, and only using physical security. If you cannot assign a responsible person, it is then up to management to make a decision based on the risk: not having a service vs. not knowing who does what with that account. NIST SP 800-53 also has sections on identification and use of shared accounts. Now you have to change the credentials for everything Eve was using (assuming you know that), you can't just disable Eve's account(s). Eve logs into the account and uses it to sabotage an important business process. She did go to court. For network servers, configure the Network access: Sharing and security model for local accounts setting to Classic – local users authenticate as themselves. Permitting generic user accounts even with low privileges (as in read-only accounts) can still be problematic. If you can learn how to configure local-only access you can learn how to configure sudo properly. Even if Eve isn't out to sabotage the company, Alice and Eve's sharing an account also means that Bob can't give Alice additional permissions without also giving them to Eve. However in the long term,  the lack of accountability such an account would have will be problematic. The person had to be rehired and compensated for the lost wage. What does it mean by "Selling one’s soul to Devil"? I know its best practice not to allow shared user accounts, but where is this best practice defined? This is much harder to manage, and you will miss accounts. Additionally, it removes your ability to have granular control over access. If Alice is promoted and now has access to data X, Eve gets it, too. It is the best defense against a systemic lack of security controls. A best practice is simply an established way of doing things that most people think is the best way. If more people know the credentials for logging in, that account is less secure. Generic or Shared Role Account. Systems Engineer. Using a shared password across thousands of hosts makes local administrative accounts a soft target that advanced threats routinely exploit. Examples: Every email system around for the past 15-20 years supports delegated mailbox access, even Gmail and formerly-known-as-Hotmail support it. As said by many, accountability, traceability, liability etc are the main reasons. And is the account that you use to access public www-servers (a non-authenticated account) not basically the same? It goes the other way around. The gist of my question is this: can a user with access to one instance, but not the other, exploit the shared service accounts to gain access to the other server? Privileged User Accounts are named credentials that have been granted administrative privileges on one or more systems. If Alice and Bob share an account and something bad happens, they will both point to the other person and you have no way of figuring out who did it. Additionally, I suspect that shared logins will have weaker passwords protecting the account. Alice knows what files are on Alice's desktop. Shared accounts (accounts where two or more people log in with the same user identification) do not provide adequate identification and authentication. The script is linked here: Troubleshoot Account Bad Password Attempts. The conflicts that could arise are something to be aware of before deploying generic accounts across your organization. Generic user accounts are different from generic e-mail accounts; so too are the consequences of granting access to them. The user account permissions on each server may be different, but there's usually a lot of overlap. Permitting generic user accounts even with low privileges (as in read-only accounts) can still be problematic. Morale: One function of user accounts is to discern users from one another, to make their action audit-able. This information includes simple things such as the desktop background, desktop content, and Windows color scheme. Besides just auditing/culpability concerns, shared logins also inherently mean sharing both the glory the blame. What about WPA2 passwords? There are a number of extra points to consider: To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Alice doesn't know what files are on Alice and Eve's shared desktop. How secret is the information that is accessed? Here are a few bullet points for easier understanding and a quick review. Off-topic: but that's just a bad e-mail set-up. To protect, manage and monitor account it's easier to have separate individual access to delete, modify and detect abnormal usage. You will find similar example almost everywhere. The most recent password in password history was "Pas$01". Can you buy a property on your next roll? GCP Solutions Architect . What to do to speed up the paper publication process? It's so mainstream it doesnt qualify for funny story in most French prud'homme (a French tribunal appointed to decide labour disputes). January 29, 2018 . Any new files will likely raise a red flag for her. You could be dis-incentivizing personal accountability and work ethic. Also, it makes it harder for a given individual to notice malicious changes to their environment. Adonalsium example show you because it's required. These kind of generic accounts prove useful for departments that are inundated with sales, recruitment or marketing solicitations that can take up valuable time and space. This is just a summary of other answers and nothing new? You should use separated account in all contexts (security on the top). Generic user accounts are typically set up and shared among users that have rotating, temporary or intern positions. It's a classic, in many country with many variation. You now have many more potential victims of social engineering attacks. Privileged access management vs named accounts, Why delete user accounts, when no longer needed - business, Solution to hide a shared password to users. ADFS can only connect to Active Directory or Active Directory Application Mode account stores. However we have machines in the shop only used to enter/display shop data. For example, instead of logging into a workstation with your first name/last name, you log in as Admin, Student or Clerk; meaning there is no corresponding real user associated with the account. There should be no day to day user accounts in the Domain Admins group, the only exception is the default Domain Administrator account. That would allow the system to report which credential was used to access an account, thus allowing someone to better distinguish expected from unexpected activity. Please also make note that the approach you state here has 0 advantages over just properly configuring credentials for multiple users. Why should they put in the extra effort when another person is just going to do the wrong thing anyway? The consequences of granting access to generic user accounts across your organization should be weighed carefully. In that use case, you still keep an acceptable imputability by knowing the user that was present at a specific moment, provided you could set the above second rule. Is there a security advantage or risk in removing disabled user accounts? or a password physically written down for all in the area to see. To do this, each user account (whether a Microsoft account or a local account) is associated with a user profile that describes the way the computer environment (the user interface) looks and operates for that user. No, OP specifically asks if it is defined, e.g. From an accountability standpoint you should have individual user accounts instead of a shared account. An example already given is the need to change passwords when someone leaves. Have any other US presidents used that tiny table? Those we have a common user/pass that is locked down as well as the computer is locked down. The audit log captures this action. A shared account has n potential people doing something but all that you have points to one account doing that thing.

shared user accounts bad practice

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