Allowing users to access only the data they are authorized to access.

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3
votes
1answer
160 views

Just how secure is the data I put on SQL Azure?

My wife has been asking me to create a web application for her business and from what I've read using SQL Azure would be perfect. Except for a couple of small (really really big) gotchas. She ...
2
votes
1answer
3k views

Security permission to only read SSAS Cube with Excel

I have an SSAS database set up on a SQL Server 2008 server. I have a Role set up with a group of users that I want to be able to access the Cubes in that database. I set up "Read definition" and ...
6
votes
5answers
2k views

SQL server level permissions

I am aware of the Microsoft provided code to transfer logins between SQL servers, however this only does the account and the password. What if that particular account has various roles and ...
0
votes
1answer
438 views

How to revoke DBADM and clean up any related objects from DB2 LUW

This question has started because of us taking copies of production backups and restoring them into lower environments (with scrambled data of course) for developers to practice and/or debug against. ...
0
votes
0answers
55 views

How to secure SQL database?

I made a little application with a MySQL database. I want to secure my database.I think user name and password is not enough to protect it. Because anyone can access the database by copying database ...
1
vote
1answer
114 views

MySQL on Unix, should administrator accounts join the operating system “mysql” group?

When I install MySQL via Yum, it automatically creates the mysql operating system user and group. Then mysqld executes as mysql (instead of as root), and all the files in the data directory are owned ...
6
votes
1answer
8k views

Linked server available to users without permissions

I have users seeing a linked server which they are not supposed to see. The linked server is defined so that only I will have access to it, but everybody can see and use it. I have created the ...
3
votes
1answer
4k views

Login failed for user Error: 18456 State: 10

In one of my vb.net applications I am getting the error Login failed for user 'user'. But the user has full permission (sysadmin). Also this error happens intermittently. Error log has the following: ...
2
votes
1answer
194 views

Need help to design model with multiple rights

For a website, I have multiple elements that need to be moderated by many different users. Until now, I have always used Role-Based Access Control (RBAC) model but I want a more flexible model. I ...
3
votes
2answers
178 views

Can I grant privileges to a role without specifying an object?

I am trying to create a role to simplify granting a set of privileges that I often give to users. I am wondering if there is any way to grant these privileges on only the objects owned by their schema ...
3
votes
1answer
3k views

Does this mean the 'public' has full select, insert, update, and delete access?

I'm trying to create a new DB user in SQL Server 2008 R2 that can only select from one SQL View. But no matter what I try when I login as this new user I can select from any table. I ran this query: ...
0
votes
2answers
597 views

SQL Server AD groups membership seems cached - how to flush to test? [duplicate]

I am configuring a new, fully AD group based security scheme on an existing SQL Server 2008. When I change the group to which I belong to test my configs, it seems that there is quite a delay between ...
2
votes
3answers
155 views

What tasks can only sysadmin's do in SQL Server 2000?

I'm cleaning up permissions on my SQL Server 2000, and I want to verify that a particular account still has sysadmin privileges. What non-destructive tasks can only sysadmins do that I can use to ...
0
votes
1answer
1k views

Permissions on sys.syslogins

I've got the following scenario: ( loggend in on SQL-Server with full admin-privileges ) Creating LogIn, User, Role and associate them. IF NOT EXISTS( SELECT "name" FROM "master"."dbo"."syslogins" ...
5
votes
1answer
469 views

TFS 2012 - Database Project - User with NO LOGIN map to Windows - best practices

I have a SQL Server Database Project (.NET 4.5) in TFS 2012. As a DBA, i'm looking for a mechanism whereby the developers can create 'CREATE USER' sql scripts and assign their permissions within the ...
4
votes
3answers
2k views

Best practices to encrypt all the data

I'm working in a project, where the client is afraid their own employees (ie.: junior I.T. guys who the client does not trust) querying the database to get sensitive information. The database is a ...
2
votes
1answer
165 views

MySQL: Securing Access using Stored Procedures

I'm new to using MySQL. I'd like to use stored procedures to help secure my database when accessing it from a web service (i.e., grant only proc execute to the web service account). What permissions ...
1
vote
1answer
2k views

In creating view use SQL Security definer or invoker?

CREATE VIEW syntax is CREATE [OR REPLACE] [ALGORITHM = {UNDEFINED | MERGE | TEMPTABLE}] [DEFINER = { user | CURRENT_USER }] [SQL SECURITY { DEFINER | INVOKER }] VIEW view_name ...
2
votes
1answer
399 views

How to do MySQL User Accounting

I can't seem to find any information on this anywhere. I found a question here called Monitor MySQL activity per database? but that's not quite the answer either. I'd like to be able to log the ...
7
votes
2answers
6k views

Create database role to allow read access to all tables; write access to some

We have a database with over 1000 tables. I need to create a role that allows read only on all tables, as well as write access to two specific tables. I was messing around with database roles, but ...
0
votes
1answer
342 views

Security Concerns of SQL Server Express for Web e-Voting web application

I am building a database driven web application. The web application is basically an E-Voting website, where users can register and vote on things that concern their community ... etc. The database ...
0
votes
2answers
194 views

Is there any way to connect to one server and utilize a linked server using Windows authentication and NTLM?

I currently have SQL Server 2005 (Server A) that has a SSAS 2005 linked server (Server B). The powers that be do not want to enable Kerberos authentication, so I'm stuck with NTLM. The problem is ...
2
votes
3answers
1k views

Working Linked Server Query fails in sp_send_dbmail

Take the following example: EXEC msdb.dbo.sp_send_dbmail @recipients = 'me@whatever.co.uk' , @query = 'SELECT TOP 10 * FROM LINKEDSERVERA.DATABASE.dbo.TABLE' , @attach_query_result_as_file = N'True' ...
2
votes
1answer
90 views

Debugging SSAS Timeouts

I have a drill-through problem apparently related to security. Users in one role are seeing timeout failures when trying to invoke a drill-through action. They have permission on the action through ...
1
vote
2answers
673 views

Where should I look for details about 'access denied' errors?

This question derives from Deploying a new database on a new server, an msbuild ssdt rookie issue. Since I have a permission denied error, I expect to find which user is failing to access so I can ...
1
vote
2answers
496 views

How can I run a T-SQL Script using SQL Credentials?

I need to develop a T-SQL insert script for use on a remote SQL 2005 Express instance but I would like the script to include the necessary SQL credentials so all the user has to do is execute the ...
-1
votes
1answer
503 views

Why does fn_my_permissions return empty rowset? [closed]

If I run this query: select * From fn_my_permissions(NULL, 'SERVER') This is what I'm getting: entity_name subentity_name permission_name ------------- --------------- ...
2
votes
1answer
63 views

Use users / logins from another database

Is it possible to use logins/users from one database(F) in another(S) one? I know I can copy it but, when I add user to (F) database I have to copy again them all (or add the same user to (S) ...
4
votes
2answers
1k views

Linked Server Risks

I'm implementing a new feature which requires data from databases on multiple servers. I just need to union data from all these servers and sort it. The two options that come to mind are: Use linked ...
6
votes
3answers
2k views

How does “Be made using the login's current security context” pass the users password to remote server

Say you have a SQL Server with a "Linked Server" to another server - said "Linked Server" is set to use "Be made using the login's current security context" as its authentication model. How does the ...
2
votes
1answer
742 views

If the users need INSERT/UPDATE/DELETE permissions, is Windows auth still more secure than SQL Server auth?

Some background first: The problem described below wouldn't exist at all if the database in question would have been built with a DBA's mindset: Data access only through views and stored procs --> ...
1
vote
1answer
180 views

Restrict access for Windows administrator in PostgreSQL

Is there a way to protect PostgreSQL from user with Windows administrator rights? Like this question but for Postgres.
2
votes
2answers
189 views

Auto Disable a SQL Server User

I have a SQL Authentication User: JOHNDOE I would like this account to auto-expire or auto-disable after X days or at a certain date/time. Any suggestions or best practices to do this?
0
votes
2answers
1k views

Pull Subscription: process cannot read file due to OS error 5

I am trying to migrate a working pull subscription for transactional replication from one subscribing server to a new one. The subscribing server is at another site and is connected via a VPN tunnel. ...
1
vote
0answers
1k views

EXECUTE AS over Linked Servers

I have a front end that logs into the DB as "logInA", and only has permission to "schemaA" stored procs, which use EXECUTE AS "logInB", (I have also tried EXECUTE AS 'DBO'), to handle all the business ...
0
votes
1answer
306 views

BUILTIN\Administrators allowing access via linked server but not locally

We have two servers: LYNDB01 & LYNDB02 On LYNDB01 we have a database called db_ExampleDatabase We have created a Linked Server on LYNDB02 to LYNDB01 using no mappings and the "Be made using the ...
2
votes
1answer
101 views

Find application password expiration date

I changed password of my application on one sql server? when I am using Login property command I am getting last login date. I want to know when my application password is going to expired in SQL ...
3
votes
1answer
392 views

SQL Server 2008 R2 Express password overwrite

I'm using a program that requires SA log-in to SQL Server. We had issues where some 3rd party support numpty changed the SA password and never informed us, so the program couldn't log-in. I've ...
2
votes
1answer
93 views

Oracle Database: View schema without access to data

In Oracle Database 10g, I need to create a user with these permissions: user can access schema to be able to read table names and columns user can not select (get) any data from any table Is this ...
3
votes
2answers
71 views

disallow SET command in a postgresql server

Im planning to publish my postgresql server to a few untrusted clients. I dont want them to modify any runtime setting, like work_mem or something risky to my server. In general I assume the ...
1
vote
1answer
853 views

How to properly secure MySQL database?

We have a web application based on the famous triad apache + php + mysql which we sell to our customers and gets installed on their servers. Currently, we are using MySQL 5.1.41 which has only a ...
1
vote
1answer
275 views

One call to `decryptbypassphrase` for decrypting all columns

If I use ENCRYPTBYPASSPHRASE to encrypt the full table then how can I decrypt full table easily by using DECRYPTBYPASSPHRASE? Actually I have to use DECRYPTBYPASSPHRASE ('passphrase', column_name) ...
-1
votes
1answer
71 views

best database for a real estate system [closed]

Which is the best database suits for a real estate system. Considering the storage space, security, crash recoveries, speed etc. There will be around 1000 fields and trillions of rows!!!
5
votes
1answer
100 views

How is SQL Server host identity ensured?

When I connect to some e-commerce website with my browser I use HTTPS that uses a certificate that (more or less) guarantees that example.com is indeed example.com. Now I connect to a SQL Server ...
6
votes
2answers
1k views

Securely generate a UNIQUEIDENTIFIER in SQL Server

I intend to be using a UNIQUEIDENTIFIER as an access key that users can use to access certain data. The key will act as a password in that sense. I need to generate multiple such identifiers as part ...
0
votes
1answer
7k views

Login Failed for Domain\ServerName$ when trying to create a new SQL Server Reporting Services Application in SharePoint 2013

Basic setup: All of the following is installed on Domain\Servername: SharePoint 2013 Standalone Install (Trial version) Currently using an instance of SQL Server 2012 SP1 Express for basic ...
0
votes
1answer
120 views

Cannot create perlplu function

Running PostgreSQL 9.1.8 on Xubuntu 12.04, installed from the repos. From the shell, I have executed: createlang plperl db_name; createlang plperlu db_name; As the superuser running psql, I have ...
0
votes
1answer
33 views

Giving permission for each table within a database

I want to give different permission for different tables within a single database for a user.For example a user has full permission to a table while for another table only read permission.How it can ...
1
vote
1answer
138 views

clusterdb stopped working for PostgreSQL database in Ubuntu 12.04 server

After a fresh PostgreSQL install (version 9.2) on my Ubuntu server 12.04, clusterdb utility stopped working. I used the same config files as I used with version 9.1. Below is the actual command: ...
0
votes
2answers
140 views

Changing passphrase for EncryptByPassPhrase

I am using EncryptByPassPhrase to encrypting some columns. If I want to change the passphrase in the future, how can I change it?