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

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2
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1answer
66 views

Can comments in stored procedures cause problems

We're running a webserver that calls stored procedures to compute complex queries. Using sp_who2, we've discovered a peculiar issue where an abnormal number of processes would be stuck on SELECT state ...
0
votes
0answers
15 views

Securing Your MySQL Server within your team?

Recently I have been having an issue with our internal team members changing the password of the root user. I noticed the following things: OLD_PASSWORD = 1 (So all passwords on our development ...
0
votes
0answers
10 views

Is forwarding a port(s) a security risk to all computers on the network or just one? [migrated]

I know forwarding ports can add some security risk, but if i forward a port to a conputer running linux would it add a security risk to all computers on my network or just the one?
1
vote
2answers
89 views

Numerous failed authentication attempts in error log

I'm having a hellacious time trying to figure out what is attempting to authenticate against a particular database server, running SQL Server 2008 R2 Standard Edition. The following is the error ...
1
vote
1answer
64 views

Create USER and LOGIN permissions

What permission should I give to a user or role so that it can Create Login or Create User in database.
3
votes
1answer
64 views

Secure database access from particular applications

I have an C#.NET application and a SQL Server database (SQL Server 2008 R2) and would like to restrict the access to some of the Tables when it has been accessed from some other application rather ...
1
vote
1answer
42 views

How dangerous is it to have a user's password in plaintext in a cgi script?

I am setting up a MySQL database and am providing a web interface for it. Now, the DB is extremely simple and the interface just runs certain SELECT statements. I have created a user for my script to ...
2
votes
2answers
73 views

SQL Job step run as different sql account

I'm curious how to set up a SQL job step to be executed as a different SQL login account. It appears I need to set up a New Proxy Account which requires an existing credential. When I create a ...
2
votes
1answer
45 views

How do I add a user that has read access to only ONE database?

I have two databases admin and testdb ; Added a user Alice in the test database db.addUser( { user: "Alice",pwd: "Moon1234",roles: [ "readWrite" ] } ); But when I login using the user Alice, I can ...
1
vote
2answers
48 views

Changing the SQL Server service account - any additional considerations?

I have inherited a few instances that are running under LocalSystem. I need to change this to a domain account as we are changing our backup strategy to go to a network share and then to tape and I ...
0
votes
2answers
69 views

Known vulnerabilities for when a guest executes a stored procedure on SQL Server

I have a production database with crucial business information. Meanwhile, my company is involved in a project with some other company and we have to exchange some information on a regular basis. How ...
1
vote
1answer
46 views

Secure postgresql database encryption

According to this answer, it's not possible to have a fully secure database encryption with pgcrypto. Now, 2 years later (in postgresql 9.3) is there any new extension or new method to have a ...
1
vote
2answers
66 views

Questions since MySQL Startup

Have a weird question / (bug?) here. Using PHP My Admin I installed via apt-get on Ubuntu 13.10 Versions are as follows: Server version: 5.5.35-0ubuntu0.13.10.2 - (Ubuntu) Apache/2.4.6 (Ubuntu) ...
0
votes
0answers
40 views

Oracle data obfuscation on specific columns with set field sizes

Would like to obfuscate data held in Oracle tables, but: Requirements only apply to specific columns e.g. personal data obfuscated value should not be longer then column size possibly only ...
0
votes
1answer
19 views

Select permission to each table

I have three schemas Production, HRecourse and Sales,tables in every week create and drop , I have six Users P_User1, P_User2, HR_User1, HR_User2 and S_User1 and S_User2. I have to grant then how i ...
0
votes
1answer
37 views

CHROOT install after I already installed Mysql 5.6

I installed some time ago Mysql 5.6 on Ubuntu server 12.04 and now I'd like to enhance security by putting mysql into a CHROOT environment on that same Ubuntu server. Is this possible without ...
1
vote
0answers
52 views

Secure database design for web-based medical data application [closed]

Background: I am in the process of creating a database which contains medical information (patient-specific, likely identifiable). The treating doctors shall have access to the database via a ...
0
votes
1answer
81 views

PostgreSQL, storing encrypted data or encrypt database with pgcrypto - what is more secure? [duplicate]

I have two machines: client and server (a database server). I want to connect from client to server and manipulate data from database (insert, update, delete, select) using dblink. I would like to ...
3
votes
2answers
90 views

How to export all the security-related information from a SQL Server database

As you guys probably know, SQL Server does not provide an out-of-the-box solution to export all the security related statements that are declared for each element in the database (both at the database ...
1
vote
2answers
48 views

security tools for mysql [closed]

We are using MySQL Community version on Windows and are trying to secure it as best we can. Assuming that changing the version (for example purchasing the Enterprise edition) is not possible in our ...
4
votes
2answers
36 views

Easily give role in one database access to tables in another database on the same server

I have a database server (Sql Server 2008 R2 Enterprise) supporting two separate but related vendor products, each with it's own database (call them X and Y) In database X I a have a lot of users ...
1
vote
1answer
52 views

Two “Connect SQL” permissions in SQL Server 2012

What is the difference between these two "Connect SQL" permissions in SQL Server 2012?
1
vote
1answer
107 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 ...
1
vote
1answer
39 views

How to check Oracle database connection encryption type

How to check the Oracle database connection encryption type?(between Oracle database and other client applications)How do I assure between Oracle database and Toad the database connection is ...
8
votes
3answers
505 views

Is there a way to find out who changed the password for a login?

I am trying to find out who changed the password for a login in SQL Server 2008 R2. I have already checked default trace - and it does not log that event. The default trace will include these ...
0
votes
1answer
58 views

Do I need to explicitly grant permissions for a login under the sysadmin role for it to access a custom schema?

So I have a login that has sysadmin rights on the db server. However, it's not able to access database objects under a custom schema that was created (eg. it cannot select from tables with ...
0
votes
1answer
43 views

Would it make security sense to split up tables into different databases and or servers?

What I am asking is would it be more secure if I had a customer table in one database server and the transactional data in another database server? This way if the database is compromised they are ...
0
votes
1answer
45 views

Harden a public login to only let it retrieve a list of other logins, and do nothing else

I'd like my app's login dialog to give users a drop-down-list of login names on the server. So I'm wondering about the most secure way to retrieve this. The best I can come up with is a login with a ...
1
vote
1answer
57 views

Multi tenancy by schema - Deny access to another tenants [closed]

In a multi tenant environment, where the multiple tenants are in the same database and a schema is used to separate each one of them, how can I create a database user (MS SQL SERVER) for each schema, ...
0
votes
0answers
55 views

How to protect MySQL database from widespread data theft and modification if SQL injection is successful?

I am looking into a practical defense in depth strategy which helps to limit the damage if, for some reasons, an attacker succeeds in performing an SQL injection. Supposing the website contains ...
0
votes
0answers
32 views

Handling data access in MS Report Builder 3.0

We have denormalised tables in our reporting database which provides data for creating ad-hoc reports in Report Builder 3.0. What is the best way to model the data access in Report Builder? The ...
3
votes
2answers
118 views

Prevent SysAdmin from doing a Database Restore

I am a sysadmin on my SQL Server 2008, and I need to be, but I would like to setup my security on the Production server to prevent me from accidentally restoring to the production database. I ...
2
votes
1answer
73 views

SQL Server 2005 and Standalone VB application

I'm new to this forum and just want to ask some questions/suggestions on how to manage my database.. I'm having an application with sql server 2005 database as a backend. I want make the ...
0
votes
2answers
150 views

How secure is mongodb with elastic beanstalk and EC2

I have a questions. I run MongoDB on one of instances of EC2 and application on Elastic BeansTalk. I restricted access to DB: only application can access it. DB instance has Elastic IP because it is ...
0
votes
1answer
57 views

How to transfer the ownership of the dbo schema in SQL Server 2012

I've accidentally given a user the ownership of the db_owner schema (using the check box in the UI as below) and now I cannot: Transfer ownership to another user Drop the user from DB (though I can ...
2
votes
2answers
59 views

How to revert multiple impersonations?

When there are nested impersonations (as in exec as user = 'user1'; exec as user = 'user2'; exec as user = 'user1';), is there a way to revert all of them without having to use the revert command ...
2
votes
1answer
255 views

How to setup Oracle SSL using self-signed certificate between client and DB?

I want my DB to send the data to the client in an encrypted way. I Googled and found that Oracle has SSL. Unfortunately, I can't find a step by step tutorial which explains how to create a ...
1
vote
2answers
348 views

Protect SQL Server from hackers

Today, my SQL Server 2008 is attacked by hacker from IP address in China [4300 Login failure in last 7 hours]. I contacted GoDaddy support and below is what they told me. EXEC sp_readerrorlog 0, 1, ...
1
vote
1answer
31 views

Adding the domain account to a security group on the SQL Server computer that has sufficient privileges to log on as a service

After reading this article, http://www.red-gate.com/supportcenter/content/knowledgebase/SQL_Backup/KB200710000173 I have some problems configuring point 2) and 3): 2) Create a SQL Server login that ...
4
votes
1answer
859 views

How do you disable anonymous login? - MySQL

According to the MySQL documentation, you can harden a MySQL server by adding passwords, or removing the anonymous accounts. If you want to prevent clients from connecting as anonymous users ...
1
vote
2answers
109 views

How can I create an ad-hoc domain user on SQL Server

Okay, so here's the problem. I have an application I need to install and run locally for testing and debugging. The application has been designed to run on a domain and as such expects to log into the ...
3
votes
1answer
117 views

Using AD groups vs roles in SQL Server

What is best practice for sql server security? Using AD groups that are given rights on schema objects or should I add the AD groups to a database role which is given rights on schema objects ? If the ...
2
votes
2answers
178 views

How to restrict users to select only query through application textbox field?

Say that I have a web application that lets users to type in a SQL query (SQL Server 2008+). I want users to be able to run any SELECT query and read whatever is in the database, but I do not want ...
1
vote
1answer
54 views

Creating domain user login from another domain?

I have two domains named "Domain1" and "Domain2". I have SQL server 2005 in Domain2, and users in Domain1. How can I create a login in SQL Server 2005 (in Domain2) for the user that is present in ...
0
votes
3answers
91 views

Deny access to one database, allow all the rest

How can I deny access to specific databases from a login? I know that I can walk through and make the login a db_owner on all the ones I want the login to have access to, but how do I do the ...
1
vote
1answer
216 views

dcexec login failure

I have a SQL Server 2008 R2 instance that I have been trying to get Data Collection setup on. I get everything setup, but there is no data that gets uploaded. I've traced the root of the problem to be ...
0
votes
1answer
452 views

DB2 9.7 LUW - How do I SET SESSION_USER when I am DBADM,SECADM?

Based on a previous question I have asked, I am attempting to work on a solution as recommended by mustaccio's answer, whereby I have another ID to create my DDL objects. I have been trying to follow ...
0
votes
2answers
117 views

What are reasonable privileges to grant typical users? [closed]

I find the list of privileges provided by MySQL to be a bit overwhelming. I'm not sure who should have what privileges. In my mind there are three typical users for my situation: root developer ...
3
votes
4answers
512 views

How to securely connect app and database servers?

(Updated) For a start, I have my app and database on separate servers. It's easy to connect them, except I am not sure how to secure my database server. Here's what I've already done: Ran ...
0
votes
3answers
93 views

Securely remove columns (and traces thereof) from a SQL database

I've come upon a database that has previously held sensitive data (think "passwords/credit-card-numbers" kind of sensitive) in plain text. All of the sensitive data in question has been deleted, but ...