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

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3
votes
2answers
2k views

Need advice on abnormal login auditing

Recently i am facing some slow issue for my web application. And i have check my visitor report and it shows normal traffic rate as usual. And then i check my db login auditing and find below login ...
3
votes
1answer
7k 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: ...
3
votes
2answers
571 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 ...
3
votes
1answer
79 views

Administration of MySQL Users

What is the best practice for keeping and maintaining MySQL users? Say for example I have 5 programmers and a PHP application connecting to a database. Should I create 6 different users 1 for each ...
3
votes
2answers
3k views

Best practices to secure mysql

I don't have that much knowledge about mysql and i would like to secure a MySQL server. We have a few VPS running around the world (6 currently) and they all need to store information in our mySQL ...
3
votes
1answer
179 views

Help configuring MySQL install for remote connections / root accounts understanding

I installed mysql/phpmyadmin/apache on a linux box for internal network use only. I don't have the strongest understanding of MySQL. Hostname: server.domain.lan IP: 192.168.0.54 After I installed ...
3
votes
1answer
60 views

How keep overview about database permissions?

As DB-Administrator I need to keep overview about my servers and databases in general - and from a security context about logins, users, db-roles and permissions in particular. It is possible to ...
3
votes
1answer
1k views

Do NT Service accounts need to be SysAdmin when using Domain Accounts

I'm not sure if I'm googling for the wrong thing but I can't find an answer. We're running SQL 2014. The SQL Server and SQL Agent processes are both running under Domain Managed Service Accounts. ...
3
votes
1answer
124 views

Allow multiple users to change functions in MySQL

I want to make multiple users and allow them to change procedures,functions and triggers in same DB. There must be user devel for developers and admin for admin, both can change developers DB, but ...
3
votes
1answer
248 views

Partially contained databases and Windows Logins - best practices?

In versions of SQL Server prior to 2012, in order for anyone to log in to a database using Windows credentials, you first had to create a server-level login, them map that login to a user for each ...
3
votes
1answer
303 views

How can I create notification on user's connecting to database?

I have users that have access to several databases. I used to have an alert and notification sent to me when a specific user connects to a specific database, but I accidentally clobbered it. Now I ...
3
votes
2answers
174 views

What permissions should the account for MS SQL Server Agent have?

I'm in a situation where I need to change the account for the Server Agent of SQL Server from NETWORK SERVICE to an AD domain account. All I'm doing is making the domain account sysadmin in the ...
3
votes
1answer
641 views

SQL Agent Permissions - Job Level

We currently have an SQL Job that runs an SSIS package. The output of the package is required for a report. As a result, the application that can create the report on demand first tries to run the ...
3
votes
2answers
78 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 ...
3
votes
1answer
117 views

Analysis service database security at application level

I have got a SSAS Cube, we have written an windows application which would issue MDX queries to access the data from the cube and show it in the reports . This windows application is a licensed ...
3
votes
1answer
481 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 ...
3
votes
1answer
1k views

Log shipping setup across domains

I'm running SQL Server 2008 R2 on a Windows machine. I've been tasked with setting up log shipping between our production site (managed by a service provider) and our QA environment which is hosted ...
3
votes
1answer
6k views

The server principal “<mydbuser>” is not able to access the database “<mydatabase>” under the current security context

When I try to install a new database, I'm getting this error from SQL Server 2008. The server principal "<mydbuser>" is not able to access the database "<mydatabase>" under the current ...
3
votes
1answer
76 views

Decrypting Previously Encrypted Data Returns NULL

I'm having trouble decrypting data that has previously been encrypted and stored in a table. After opening my symmetric key and encrypting the data using EncyptByKey(), I get NULL values when ...
3
votes
0answers
80 views

Is this user-storage database system efficient, effective and secure?

I am using: PHP Version 5.2.17-MIT-BACKPORT-GnuTLS SQLite 2.8.17 I have a database called users, which currently has a table called root. There will be others, once I get all the rows for root ...
3
votes
1answer
111 views

Is it secure to set default value for password field? [closed]

I'm looking at an application where admins can "invite" users by email and invited users. Invited users then are sent a unique URL and are inserted into a MySQL database with status pending and an ...
3
votes
0answers
90 views

Are there any outstanding critical security issues for Sql Server 2000?

Are there any outstanding (unpatched) security issues for Sql Server 2000? This isn't really for me: I moved on from Sql Server 2000 long ago. However, when answering questions here and (more likely) ...
3
votes
0answers
342 views

User can create in SSRS, but can't manage objects

We have a user who can create, but is unable to manage objects in SSRS, even though he has content manager permissions and another user who has same permissions who is able to. It is SSRS 2008 R2, ...
3
votes
2answers
532 views

Migration to databases Domain Users do not have access

I migrated databases to new servers, however the applications that were previously used with the databases are failing to load. I have changed the connections and etc. The jobs also seem to be failing....
3
votes
1answer
651 views

Domain group hierarchical group membership and SQL Logins mapped to AD groups [closed]

SQL Version: Microsoft SQL Server 2005 - 9.00.4035.00 (X64) Nov 24 2008 16:17:31 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition (64-bit) on Windows NT 6.1 (Build 7601: ...
3
votes
2answers
245 views

Setting up users and admins with schema privileges

I currently have a database that is split into two schemas: data and ref. I have two database roles named Users and Admins. Users need to be able to INSERT, SELECT, UPDATE, and DELETE from the data ...
2
votes
3answers
236 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 ...
2
votes
3answers
240 views

Monitor database every hour to prevent data loss

Here is my requirement, though I'm aware what could possibly be done to fulfill it but still looking out for the best solution to work out with. Few days ago someone(some hacker or some previous ...
2
votes
2answers
900 views

What is this host?

I found this in my local MySQL installation today: mysql> select host, user from user; +--------------+---------+ | host | user | +--------------+---------+ | ::1 | root | | ...
2
votes
2answers
367 views

Attacks on Postgresql listening for requests on 'localhost'

I am using jboss server for my servlets and the postgresql as the database server, listening on port 5432 on localhost. My jboss server is bound to a public IP. I want to know that since my postgesql ...
2
votes
1answer
2k views

Simple Implementation of SQL Server 2008 Encryption

I am looking at using some of SQL Server 2008's encryption. I have read the following article on MSDN: http://msdn.microsoft.com/en-us/library/ms179331.aspx Q1a: Is the master key password ...
2
votes
2answers
377 views

SQL Server logins and users — assign multiple logins to a single user? [duplicate]

In SSMS, since I can't assign multiple login objects to a single user object, what is a best practice to achieve an equivalent security model? For example, I have 20 logins and want to give them all ...
2
votes
2answers
959 views

Locking SYS and SYSTEM Accounts

In the interest of keeping the database as secure as possible, I'd like to lock the SYS and SYSTEM accounts so that no one can login with them. Assuming that: There are no OS scripts/cron jobs ...
2
votes
3answers
842 views

Is encrypted database possible?

I'm not a DBA but I've been asked to see if we can encrypt the data in sql server such that the admin, despite having access to SQL Server won't be able to see the data but application would still be ...
2
votes
1answer
2k views

How the sys user gets the sysdba privilege?

I am using oracle 12c on Linux. Using the enterprise manager database express I am looking at the list of privileges and roles for the sys user but I haven’t found the sysdba privilege assigned there. ...
2
votes
2answers
2k views

Securely Send Database Mail via an Insert Trigger

I have spent about 30 hours so far trying to get sp_send_dbmail to work. I finally got SOMETHING to work, but I have serious doubts as to its security. I would like know a method which is better yet ...
2
votes
1answer
283 views

What are the best practices for restricting write-access on a specific table?

I have a table, which I'd like to be read-only, except for a few specific stored procedures which need permissions to UPDATE rows in the table. After that, I want only a select group of additional ...
2
votes
3answers
2k views

Block user access to certain tables

DBMS allows the admin to grant table access to a user using something like: GRANT ALL ON mydb.mytbl1, mydb.mytbl2 TO 'someuser'@'somehost'; However, is it possible to grant all tables to a user and ...
2
votes
1answer
85 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) database)...
2
votes
1answer
1k 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 --> ...
2
votes
1answer
782 views

unreachable SQL Server for a group of computers

I'm deploying SQL Server 2008 Express in my company. I already installed, did a application, tested, gave permission to user. All desktop users run the program without any problem. But the notebook ...
2
votes
2answers
673 views

Impact of changing instances' passwords

As part of a security policy, the company I work for has given me the task of changing the sa's and SQL Server Agent service accounts' passwords for several instances. What's the possible impact of ...
2
votes
1answer
263 views

SQL Server Schema Security

My company uses a multi-tenant database (one database, all tables have a customerID field). We are in the process of setting up a data warehouse and giving clients direct access. Our initial ...
2
votes
2answers
622 views

Determining sizes for Separated Partitions of programs, data and logs in SQL Server

As per the recommendations of the CIS benchmarks for SQL Server, I want to create separate partitions for the data, the programs and the logs on my SQL Server dedicated server. Question is, what is ...
2
votes
1answer
96 views

What are the consequences of dropping or changing the user name for the postgres DB account?

I feel confident I understand what's involved at the db level: If dropping, I'd need to create users for each sys admin, give them SUPERUSER, and then drop the postgres user. If changing the name, I'...
2
votes
2answers
62 views

Asking SQL schema by FOIA

I've sent FOIA requests to various public institutions in my area. I'm only asking for the schema of the SQL databases their financial services might be using (column name for every table for every ...
2
votes
2answers
160 views

How to safeguard a symmetric key in SQL Server

I've got a database in which I need to store the encrypted values for a column. I use the SQL Server encryption format for encryption. The format is as follows: CREATE MASTER KEY ENCRYPTION BY ...
2
votes
1answer
128 views

SQl Sever Backup Exclude Users

I have a database on SQL Server 2012 that I need to backup and send to someone on a different network / domain. Is there a way to create a full backup file that will not include the users / security ...
2
votes
1answer
322 views

Security Question

Hello guys I have a question I have a group in that group a user shouldn't have syadmin permissions but he must be on that group. He has his login map by the group and his windows login on sql ...
2
votes
4answers
298 views

What are the risks of building a database outside IT control?

I've been looking for the best StackExchange community to ask this. I hope it fits well here. As a risk analyst in a trading business, I'm often confronted with large volumes of data, way beyond the ...