Security related aspects of databases and database access.

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2
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3answers
228 views

How can I prevent my database from being compromised if my CakePHP app is compromised?

I have an app server hosting a CakePHP app and a database server hosting the databases. The servers are physically separate. The databases contain encrypted sensitive information. The encryption keys ...
0
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1answer
133 views

A Question about Database Encryption [closed]

I've been looking around for an answer to this for some time now and I felt that this place would be a good venue to ask this. How can one improve the security in a MySQL database? The database that ...
3
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1answer
561 views

Best practice for data security on a web application

I read a couple articles on privacy/security but still cannot get a clear picture of the best practice to ensure that an attacker will not be able to access users' private information. For storing ...
1
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1answer
98 views

PCI DSS compliance for storing PAN and PII in multi-tenant environment

I wanted to know if I can still be PCI compliant if I store card holder and PII information for multiple tenants in the same database? I.e., have an identifier on the table level to identify the ...
5
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4answers
1k views

avoid hitting DB to authenticate a user on EVERY request in stateless web app architecture?

Summary Once a user logs into a web site and his username/password credentials are verified and an active session is established, is it possible to avoid hitting the DB for each and every request ...
3
votes
1answer
110 views

PCI Complient Storing Credit Card Data On Offline Tablet

I have a client that does work in rural areas where there are no cellphone or internet connections. They need a way to take credit card information in the field, bring it back to their office where ...
2
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2answers
79 views

How do vulnerability reports work?

I'm really interested in IT security and I would like to know how vulnerability reports work. Is there a central database for those things? I often see CVE-XXX-XXX on disclosures, but I don't ...
1
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2answers
118 views

How to securely provide data to a web server using a data warehouse?

We have a data warehouse that stores prices for our products. Once every business day, new data points are added representing the day's price for each product. On the website, a user sees this ...
5
votes
2answers
529 views

Encrypt user data when they log in with Facebook, Gmail, etc

I made a login system. The user can login by: using a normal email / password (bcrypted). using a service like facebook, gmail, etc. So far so good. Now I want to store sensitive information (ftp ...
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0answers
95 views

Security considerations for SQL database with employee data in blob field

With elevated SQL permissions, I am able to export a blob and retrieve a pdf with employee data (SSN) from a SQL Server database. This database is a backend to a third party web app we use internally ...
1
vote
1answer
395 views

What does Gazzang zNcrypt actually protect against?

In an effort to increase security of our website, I'm reading up on Gazzang zNcrypt, which claims to protect data in databases from breaches. Technically, it seems to do filesystem encryption. As far ...
4
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1answer
83 views

Does the Oracle Database Built-in Password Protections prevent pass-the-hash or replay attacks?

Does the Oracle Database Built-in Password Protections prevent pass-the-hash or replay attacks? Reading the "What Are the Oracle Database Built-in Password Protections?" from ...
4
votes
1answer
700 views

How to secure API (private key) for mobile apps

I am building a web service that has to be only accessible for iOS apps. In the future I want to expand to a mobile website to make my service also available for other mobile operating systems. Now, ...
4
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2answers
122 views

Data integrity of malicious content in the database

From a data integrity standpoint, if I persist the following code into my database: <script> alert('hi'); </script> should I sanitize it before persistence, for instance making ...
-1
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1answer
61 views

Network and data security for small online businesses? [closed]

What is the most efficient way of protecting small online business from outside threats. Everything too much expensive is not a solution. I've been looking for good web application firewall and at ...
1
vote
1answer
90 views

Security risks if a server in not supported anymore

I have an SQL 2000 database server which is not supported by Microsoft anymore. We have our information security policy applied and even PCI requirements. What are the security risks that we might ...
0
votes
1answer
288 views

How to secure and limit access to a web based application hosted on a local server

I have security concerns over a web based application. I want to limit access to the application only to a whitelisted IP addresses. Here are my thoughts on that: To host the application myself. The ...
9
votes
3answers
3k views

Is “Why Should You Avoid AES In MySQL?” true?

From a 2012 Smashing Magazine article quite a bold statement is made to avoid AES in MySQL itself. Or as they put it "Why Should You Avoid AES In MySQL?". However, if you search for SQL encryption, ...
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votes
1answer
61 views

Should I do science of computing or systems analyst? [closed]

I want to become a federal analyst of cyber crimes and I dont't know what's the right university course for me, I would like to know what's the cons and pros of choosing one or another course and ...
6
votes
1answer
302 views

SQL Server of my hosting provider allows me to see all databases. How secure is my mine?

My hosting provider allows access to its SQL Server. When I connected to it by SQL Management Studio, all hosted databases were visible. I can't get the details on these databases, I get this ...
4
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1answer
287 views

How secure is MongoDB wire protocol?

I'm building a JavaFX 2.0 standalone application (it'll be distributed as an .exe) and it opens a connection to a MongoDB instance. The connection is just a standard Mongo connection using the Mongo ...
1
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1answer
61 views

How to restrict access to a resource based on frequency of access?

I want to restrict access to a particular resource based on time (configurable). So suppose user A has time t configured from him. He can access the resource only once every t time units. The values ...
3
votes
1answer
232 views

Theory about split data in several isolated (different physical server) DBMS to gain in security?

Suppose the following scenario: 1- A web app (on WEBSERVER1) and its database (on DBMS1) having very sensible information deployed in the same physical server (lets said that for simplification). ...
1
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1answer
68 views

Oracle database privileges [closed]

I have a 10.2.0.5.0 Oracle Database and a list of users who i need to grant some privileges to (Mainly to generate reports and so on). I used impersonation, which means i created one Oracle user so ...
1
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2answers
170 views

Main requirements to secure my Application in any database related features

I have an application which is hosted on a windows server on which an SQL DB exists. This server communicates with the clients and agents installed on host PCs through TCP/IP and SSL connections. I'm ...
8
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2answers
243 views

What's ownership concept for?

I fail to grasp the necessity of using concept of owner (ownership) and find clear explanation of its necessity. What cannot be done without concept of owner(ownership) in filesystem/database object ...
3
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3answers
272 views

How do poor-quality initialization vectors affect the security of CBC mode?

(If the consensus is that this question belongs on crypto, rather than here, please feel free to [tell me to] migrate it.) From what I have read (looking specifically at AES in Cipher Block Chaining ...
1
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1answer
64 views

Hybrid Encryption System - Is this unnecessary in this case? [closed]

I have a column in my database that I need to encrypt. The column can contain any arbitrary data. What I am thinking is to generate a public and private key pair first. Store the public key in a ...
6
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1answer
523 views

Is Postgres password-based authentication secure?

According to Postgres's documentation, Postgres's password authentication method uses MD5 hashing to secure the password: The password-based authentication methods are md5 and password. These ...
4
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1answer
397 views

HIPAA: How am I required to secure PHI database access creds on my web server?

Assuming I have a database of PHI that my web application needs to access, how am I required to secure the credentials on the webserver that the web application uses to access this database? Is ...
0
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1answer
88 views

What are the risk associated with granting full permission (Any) to DB Admin users to the Database?

Usually in a well controlled environment, Database Admins are granted specific rights like Read, Modify...etc. No one has the right (ANY) to perform on any Database. Certain requirements dictate to ...
3
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6answers
302 views

Ban or delete abusive users [closed]

I'd like to hear recommendations on a best practice for handling abusive users (for whatever reason) on an authenticated Website. Is there any point in keeping the user in the database with a ...
4
votes
3answers
725 views

MS-SQL Monitoring/Auditing of PHI for HIPAA

We're currently looking for a solution (hardware or software-based) that can monitor and audit all PHI viewing activity per new HIPAA rules. We use MS-SQL for our production database. We have the ...
2
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2answers
846 views

IS TDE PCI-Compliant?

According to PCI PAN can be stored in the database as long as strong cryptography is used. I couldn't find which cryptography is considered strong according to PCI. Here's the issue: I have PAN ...
5
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2answers
722 views

If encrypted data in a database are accessed by application, does that mean that the application has the decryption key?

I'm using an application linked to a database which holds confidential data (numbers). According to the developer, this data is encrypted. However, i can easily generate a report that will show the ...
6
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2answers
265 views

Can a web application administrator access the database of that application?

We have a web application linked to a database. The database is secured but contains unmasked confidential numbers. Can a normal administrator who can access the application, access those numbers in ...
5
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2answers
5k views

Building a web app with encrypted MySQL database entries?

I have some experience in building PHP based websites with MySQL access, storing encrypted user details, but all other fields being plain text. My most recent project will require sensitive data to be ...
1
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2answers
320 views

Least insecure way to encrypt a field in the database so that it can still be included in queries

I have a table where all columns need to be encrypted (aside from the PK). This will be achieved using AES at the application level. However there is one particular field that needs to remain ...
1
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1answer
720 views

How to secure database table of users for an application?

I am working on a Windows application that utilizes a MySQL database for its user authentication and data storage. Within the application, the highest level of user (Administrator) can create and ...
3
votes
3answers
270 views

Best security practices for software development and release?

I am trying to figure out a way to limit access and also to establish processes to avoid any and all of my team members to compromise our entire production system. We have a team of 10 developers, 1 ...
3
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0answers
520 views

Where to store sensitive client details (MYSQL DB credentials) [duplicate]

I have a security related question about storing some client information - specifically their database login credentials. My app works based on the client and so the database details need to be set ...
0
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3answers
679 views

Password and username used to connect to database in source code [duplicate]

In PHP scripts that communicate with the database I have the username and password to the database in plain text i.e. mysqli_connect('localhost:3306', 'root', 'PASSWORD!'). From OWASP Do not ...
24
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4answers
2k views

Is it okay to reveal database's table names?

I'm developing web application that uses database. I have to do some operations which needs database table names and db table schema. Will it be secure if I send this kind of information to client ...
5
votes
1answer
395 views

Database encryption or filesystem encryption?

Recently I've been working on some data which, although not directly governed by any infosec laws, is sensitive enough to warrant being encrypted. I'm interested in finding out about best practises ...
-3
votes
3answers
980 views

How to effectively save database password inside desktop application?

Suppose we are in the field of desktop applications which need to store their data in a database. How do I store the password for this database avoiding the most obvious mistakes, which are: 1) hard ...
8
votes
3answers
581 views

How are large tech sites such as LivingSocial, Zappos, LinkedIn and Evernote hacked?

How are large tech sites such as LivingSocial, Zappos, LinkedIn and Evernote hacked? (i.e. how is their entire dataset of users obtained?) LivingSocial - 50 Million Users Exposed Zappos - 24 Million ...
4
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2answers
507 views

Secure yet reversible encryption for local data store

I'm working on a piece of software to store and manage records for a youth group. They've found that a lot of the time they spend on record-keeping and admin is taken up by scanning through looking ...
1
vote
1answer
121 views

Isolating database? Is it possible?

I have been assigned CTF project for IT Security for my final year project in school. We are planning to have a flag that are base on SQL injection but for the user to overcome the challenge, they ...
7
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2answers
186 views

Privacy violation even when queries with too few results are rejected

I was reading a Computing security book1 and saw a question regarding database security and privacy. I can't quite figure out the answer, so I thought I will ask here. One approach to ensure ...
5
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2answers
358 views

How dangerous are direct references to database keys?

An OWASP note suggests that direct object references are considered insecure in some contexts. They defined "direct object reference" as follows: “A direct object reference occurs when a developer ...