Security related aspects of databases and database access.

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How do I store a user's secret key on a server?

I'm learning about security at the moment and one thing I'd like to try out is having a key server distribute keys to clients that will allow them to securely save and read data locally. My basic ...
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Specification Document

I have been asked to research on a certain database then write down a specification document which covers Authentication, Authorization and Encryption. Has anyone ever come across such a ...
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66 views

Store which parts of an IP address, for user to remain anonymous?

I'm thinking about building a very anonymous forum, where people can comment and upvote each other's comments anonymously. People are supposed to remain anonymous even if the forum's database contents ...
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Secure 'pg_settings' for PostgreSQL

I have been looking for some kind of hardening guide towards PostgreSQL which I can use for a security audit of a PostgreSQL DB. I came across this url, have checked the same. Anything more to this?: ...
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87 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 ...
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55 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 ...
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62 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 ...
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96 views

What becomes of SIEM when a large database like teradata gets involved? [closed]

My topic sentence says it all. I want to know the effect on performance, storage and analysis capabilities when teradata database is added. I'm talking about 70TB of storage with internal ...
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444 views

A proposal for Data Transmission and Password Encryption [closed]

I need to implement a sensitive data protection scheme which can meet the requirements on secure data transmission, protection and storage, assuming mutually trusted third party is not available, that ...
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557 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 ...
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2answers
114 views

What is truly unbreakable these days? [closed]

Just very curious, count my knowledge in cryptography, algorithms, and security in general as non-existent. Now I am aware that this might be a VERY broad question, but here it goes. What is the most ...
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91 views

What are common problems that reveal PHP code? [closed]

What is the best method for securing PHP scripts that contain database passwords? From what I've read, PHP can be revealed when an error occurs and is not caught. Is there any way to reveal PHP by ...
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64 views

How does Shodan crawl internet-connected devices?

I wonder how Shodan crawls internet-connected devices and adds them to its database. I know Google, for instance, finds new websites by following links in websites it already found, but that strategy ...
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76 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 ...
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254 views

Protect database resources from fake data inputs via web forms

Scenario: I'm working on a project that needs to accept large amounts of data (customer data) from its users. So it can be normal to have a user trying to add 10,000 or 100,000 records at a time. In ...
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100 views

Which approach to encrypting data on a per-user basis is more secure?

As a bit of a thought experiment, I've been thinking through how one might design a web application where a user's data (say, from a form on a webpage) is stored, encrypted, on the server, using a ...
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58 views

Are there any secure ways to store the secret key used in a TOTP scheme?

I'm writing a little webapp that demonstrates 2 factor authentication. I'm using the TOTP protocol as described in RFC 6238. In our scheme, we are storing, in addition to a b-crypted password hash ...
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58 views

Application Server <-> Database Firewall [closed]

What threats can a firewall between an application server and a database server mitigate that would not otherwise be mitigated when both the database server and application server are behind the same ...
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1answer
85 views

Should I encrypt Long-lived Facebook Access Token when storing them in my DB?

I own an application that grabs some Long-Lived Facebook Access token, in order to be use later according to the corresponding logged user. Should I need to encrypt them before storing them, to avoid ...
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74 views

Removing Unnecessary Services & Packages in a MySQL Ubuntu 12.04 Server [closed]

As part of hardening a MySQL 5.6 server running on Ubuntu 12.04 LTS, unnecessary services and packages will have to be removed. For a server that is serving only as a MySQL server, what services and ...
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85 views

What are the Standard Practices for Securely Storing Encryption Keys in Databases

I have a requirement for storing multiple symmetric encryption keys in a database. What I want to know is, are there any standard, accepted practices for storing these keys in a database ? To add a ...
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77 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 ...
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1answer
179 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 ...
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146 views

SIEM technology is it database friendly? [closed]

I have a few questions regarding the use of Databases in SIEM technology. I would appreciate if you guys can help me understand / answer these questions. The answers from you help me design the SIEM ...
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310 views

Enterprise Encryption Considerations

What are the different aspects to consider for Enterprise Encryption policy? So far the resources I have are: https://www.owasp.org/index.php/Cryptographic_Storage_Cheat_Sheet ...
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251 views

What should be Database encryption strategy ?

In MS SQL Server 2005/2008 standard encryption all data in the database is encrypted using the SMK/DMK scheme. In this scheme a key is issued for each client connecting to the database. What would a ...
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Why is it not advisable to have the database and web server on the same machine? [duplicate]

I'm bringing this across from a question on stackoverflow, but I'd like to focus specifically on the security aspects of it (and not the performance, etc..). My hypothesis is that the cost of ...
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159 views

Theorical question on encryption methods [duplicate]

Possible Duplicate: Encryption strategies for multi users access in production systems I would like to develop a service on wich clients would connect and retrieve informations. These ...
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50 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 ...
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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 ...
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708 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 ...