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

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0
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0answers
7 views

What are the best practises for locking down an SQL Server Instance Data/Log directories?

We have our own on SQL Server instance on a client's system. Other vendors also have instances on there. In order to prevent access to our data we are limiting the user access to our data using ...
3
votes
2answers
35 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 ...
7
votes
1answer
93 views

SQL Server trace based on client TCP port

I have a Windows terminal server with many different users logging in via RDP to run an application. The application makes one or more connections per user to a SQL Server 2008 R2 instance. All users ...
0
votes
2answers
25 views

Oracle remote OS authentication, security risks with domain users

What security risks can be with domain users? create user "OPS$KA\USERNAME" identified externally. grant create session to "OPS$KA\MARIK"; Then MARIK that is in KA domain, can logon to the ...
0
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0answers
14 views

pre-process, anonymize, data before creating a dump from sql-server [closed]

I would like to be able to automatically create dumps from a production machine (SQL-Server 2008R2 and up). In those dumps some data needs to be anonymized (mainly by scrambling nvarchar-fields) so no ...
0
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2answers
47 views

Auditing the View Server State permissions on Server

We noticed that one of our servers has permissions granted to "all" users for "view server state". I am wondering if there is a way to audit the DMV's used by the user(s) on a regular basis as this ...
1
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0answers
17 views

MySql Audit Changes from Db Admin, Security

I know that you can use triggers (before insert, update, delete) to track the changes in history tables. But this only works if the changes are made by the applications. But in some circumstance, ...
0
votes
0answers
16 views

Joining 2 big tables turn into a server down problem

Recently I was using a database (MySQL with Workbench) in the company that I work for (I'm a business analyst, not a DBA), and wrongly I created a query joining 2 tables that basically are the same. ...
5
votes
4answers
187 views

How do I tactfully bring up database shortcomings? [closed]

A little background: I recently inherited responsibility for support and development of a database application after the original developers left. Looking through the application, the database ...
1
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3answers
51 views

How do I keep a database physically secure? [closed]

This is more of a conceptual question. I am learning how to integrate Java and databases (using PostgreSQL at the moment) and my initial questions is: What are the guarantees that the data I ...
0
votes
1answer
33 views

Does SQL server 2008 log instance level security permission changes

I just recently logged onto one of our Test environments to find i did not have permissions, turns out my instance security Login had been disabled I have a feeling towards whom may have done this ...
2
votes
1answer
51 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. ...
5
votes
3answers
187 views

Using the sysadmin role with EXECUTE AS

It is my understanding that I can use the EXECUTE AS OWNER clause as part of a procedure that I create to make the body of that procedure run as a different user. My goal is to execute a command that ...
1
vote
1answer
118 views

What does exec(text) do?

I just found the following function in two RDS PostgreSQL 9.3 DBs: -- -- Name: exec(text); Type: FUNCTION; Schema: public; Owner: adam -- CREATE FUNCTION exec(text) RETURNS text LANGUAGE plpgsql ...
0
votes
2answers
70 views

How secure is a linked server in SQL Server

I am in a situation in which I should doubt everyone (even my developer team and database admin) so I want to Log all the logons made to my server. I have two SQL Servers, say A and B. I want to log ...
1
vote
1answer
50 views

Why/when does creating a mysql trigger require SUPER privileges?

I'm attempting to parse and understand what the MySQL doc says about when SUPER privileges are required for creating triggers. They say: If binary logging is enabled, CREATE TRIGGER might require ...
4
votes
2answers
112 views

What are the risks (if any) of sharing a service account on more than one server?

I use domain accounts for SQL Server service accounts. Sometimes, when I have multiple servers that are logically or thematically related, I'll use the same set of domain accounts for the service ...
0
votes
1answer
48 views

Securing an Internet Database Connection

I am looking to setup a website and database that are connected via the internet, and am looking to secure the connection. The connection will probably not be over a VPN, so shall be openly exposed. ...
0
votes
1answer
35 views

How Do I Gain SysAdmin Access Without Having a SysAdmin Account? [duplicate]

Situation: We recently had a consultant company build new Lync 2013 Servers in a mirror setup. There are two security principles set, SA (disabled), and a AD group that is only associated with the ...
25
votes
8answers
2k views

Security implications of restoring a backup from an unknown source?

Scenario: You're handed a database backup and told to restore it to a server (that's already hosting other databases), but are given no useful information about what the backup contains or whether the ...
1
vote
1answer
53 views

Wildcard subnet mask for IPv6

To allow any host to connect to PostgreSQL we can use the IPv4 wildcard subnet mask: 0.0.0.0/0 I need this to setup my PostgreSQL's pg_hba.conf file correctly. What is the IPv6 equivalent?
0
votes
1answer
113 views

Setup mySQL in a chroot in Debian Wheezy

Sounds like a simple question, but the documentation is rare about what mySQL needs to run inside a chroot. I think I'm almost there, but I'm running into a permission problem that I can't solve, and ...
2
votes
1answer
98 views

SQL Server xp_cmdshell: account's access changed - how to avoid restarting the service?

A T-SQL script is running an xp_cmdshell call to stop a local service through Powershell's Stop-Service, say, like this: exec xp_cmdshell 'powershell Stop-Service -InputObject (get-Service -Include ...
1
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0answers
40 views

SQL Server Logs > Windows NT > Security [closed]

I don't know how to trace down what is happening on one of our SQL Servers. If I look in the Windows NT > Security section of the SQL Server Logs I see the same three entries repeated every minute. ...
0
votes
1answer
41 views

Audit DML operations on MySQL Tables

We have several MySQL 5.0 databases. We've been having security problems, like records being modified without authorization. We need to implement some kind of audit on DML operations identifying ...
2
votes
1answer
65 views

What does role db_owner allow

I have been trying to troubleshoot a login that is not able to view certain tables in a SQL Server 2012 database. In doing so I find I don't quite understand what membership in the db_owner role ...
3
votes
1answer
66 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 ...
1
vote
3answers
115 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 ...
3
votes
1answer
105 views

Row Level security or Multiple Tables

Im looking for documentation on best practices for the following scenario. A hosted application contains some "global" data and some "Per-tenant" data. A "Tenant" should have no access to another ...
1
vote
1answer
154 views

Map a Login to a User that was Created Without Mapping to a Login

This question has been asked before, but I didn't see any answer (http://stackoverflow.com/questions/6468813/assign-a-login-to-a-user-created-without-login-sql-server) How does one map a login to a ...
2
votes
0answers
107 views

Database Design - Multiple Dbs or Single - Security & Data

I've hit a brick wall with this and just cannot make a decision so want to throw this out there and see if there are any issues I have'n't considered. Basic Topography I have a system that currently ...
0
votes
0answers
21 views

Application Role and access second database

I have written a script to create an audit trails to my database in a second one db. So far I had no problems during tests on my dev machine from SQL Server Management Studio. Problems started to ...
1
vote
2answers
94 views

SQL Server Login to access tables of three different database from single database

I have created a login in SQL Server 2008 R2 and given access to run stored procedures in that database only. But this stored procedure is actually accessing data from other two databases to which ...
2
votes
0answers
51 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, ...
2
votes
2answers
143 views

How do I map a SQL Server login to a user that already exists in a read-only database?

One of our database users complains that they can't select from one of the databases in this particualr instance while they have no problems in accessing others in this very same instance. The one ...
1
vote
0answers
12 views

How do mySQL and web-interface deal with hashed data

I've recently been given access to a mySQL database which will sit behind a website designed to allow people to register their interest in a given subject and provide further information about ...
1
vote
2answers
58 views

oracle database login information

In a database there is a username called u1, someone tried to access u1 but due to wrong password it got locked. How to find who did this suspicious activity.
3
votes
1answer
55 views

What is an effective way to wipe sensitive data on a data pages after dropping a table's column?

After dropping a column with sensitive data from a SQL Server table, the data still exists on the data and index pages. To ensure the protection of this data, it needs to be removed from the pages as ...
2
votes
1answer
43 views

Is MySQL secured?

When I go to directory of MySQL C:\ProgramData\MySQL\MySQL Server 5.1\data all database can see as folder. When I go into those folders I can see 3 file under one table. When I see those one by one ...
3
votes
1answer
318 views

CREATE DATABASE permission denied for sysadmin

I'm attempting to create a stored procedure that can be used as a proxy for creating databases where users do not have rights for creating databases. See Restricting Database Access/Functions to User ...
2
votes
2answers
96 views

Restricting Database Access/Functions to User Groups?

We've been having issues with Databases being DROPed or RESTOREd WITH REPLACE with the incorrect backup etc... I'm developing a plan right now on how to restrict access and I have some questions. ...
0
votes
0answers
93 views

Login failed for a user in a Domain Local Group

I have recently been considering moving from using SQL Logins in my applications, to a model using Windows Authentication using Active Directory groups My intention is to allow users access to ...
5
votes
3answers
315 views

What are some important security-related error codes / events to monitor?

I am setting up alerts in SQL Server and am interested in what events I should be raising alerts for. In particular, I am looking for any events related to security. I am already monitoring error ...
0
votes
1answer
31 views

MySQL Identifying Connection Attempt

I'm seeing the following errors repeatedly in the error log file for our production MySQL server: [Warning] Access denied for user 'root'@'remote.appserver.com' (using password: NO) So, I know ...
0
votes
0answers
25 views

User grants and functions in a replicated DB

I manage a MySQL DB with replication enabled (with binary logs). On this DB I have 2 users : one in read/write on the MASTER and one in read-only on the MASTER and the SLAVE. The developer who uses ...
6
votes
3answers
368 views

Restricting users to COPY ONLY backups

I am looking to deploy log shipping in my production environment. This will mean I will have to manage backup chains which could be disrupted by people taking backups to refresh development ...
5
votes
1answer
185 views

SQL logs showing login that I can't find

Within my SQL server logs, I am showing a successful login to a database from an account (SERVER\loginname) that I cannot find in either Security > Logins OR Database > Security > Users. This ...
2
votes
1answer
108 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 ...
0
votes
1answer
139 views

AES 256 data encryption on Mysql

Is there a way to encrypt the whole data of a mysql DB using the AES 256 symmetric encryption method without encrypting the data manually using AES_ENCRYPT ? This article explains about the same ...
0
votes
2answers
124 views

Hidden user rights

I'm running SQL Server 2008 R2 SP2. I have a SQL Server user, that the application uses to connect to my database. I've removed the user from all roles except public and the login from all database ...