Short Paper Assignment -

Topic - Evaluating a Database for Security Problems

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Introduction

When security of private data is violated intentionally or unintentionally in an unauthorized way, it is known as a Database security breach. In other words, a data breach occurred when protected data, sensitive information is copied, stolen by an unauthorized person. Sensitive data like credit, debit card information, unique identification, intellectual property or bank details, etc. The data breach occurred from a targeted network when your network is unsecured. It may also happen when you loss digital media like laptops, a hard drive in which you're private or sensitive data stored and which is accessible on the internet without any security. The data breach may also happen by the staff those who are working inside an organization. Some data breach happens accidentally but many of them happen by human being. There are many reasons of data breach such as, weak password, human error, Malware, etc. Data breach is an issue for the organization.

Some good practices can protect data breaches. Because there is no control or security protocol that is available for the prevention of data breaches. Common security practices are the most appropriate way for the protection of data breaches. Some basic well-known security like using a strong password, update all system software, use malware detection applications, etc. Encryption will prevent actual data from accessing by the suspicious users.

1. Create a table that includes a rotating schedule for the 12 months of auditing. Include columns that identify time estimates for each audit listed.

Creation of Table

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i) Audit Category

This table will help categorizing Audit data, like Audit data can be classified like below.

ii) Audit Sub Category

iii) Audit Log Decode Table Mapping

iv) Audit Action Type

v) Audit Log Data

2. Identify and describe the resources that are required to complete a database audit policy.

Database audit

Data auditing: In IT field many software application required data auditing. It may be ERP, CRM or database system. Auditing is an important for the system. Auditing will help in following areas.

A) Audit data can be used by admin for analysis.

B) Forensic analysis on database violation.

C) Audit help in data recovery.

There are many factors to execute data audit. There are multiple approaches in implementing data audit. The audit technique in the table's trigger is a very good methodology and helps in managing in an easy way.

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3. Provide recommendations for securing the database that are unique to Oracle and MySQL.

Oracle security

Database security means reduce threat possibility from the uncertified revelation of private data, sensible information.

When designing database security strategy. Accessing of data is most important for database security. There are some ways for securing of oracle database are given below:

Keep software up to Date: It is most important to keep your operating system and database up to date. Oracle provides update on queerly basis.

Authorization best practices: Make sure accessing of database only permitted to authenticate the user. Unauthorized users will not allow for accessing of data. If you creating a user account. You have to identify the limitation of a user account. Also set limitation for accessing of database resources.

Background check best practices: Make sure that only authentic user can access database.

Data Security best practices: Data security is needed for organization. Data can be accessed from anywhere so data should be protected from server to the endpoint at home, offices or across the internet. Data protection should be able to identify leakage of data at real time.

Vulnerability Scanning: Scanning vulnerability on regular basis is required to maintain security of database.

MYSQL security

Database security is the first priority, when you think about the client's data.

There are many aspects of database security. Every hacker wants to capture your data so database security is essential. Some steps are given for database security -

i) Set strong password: A strong password is used by database users. Many users log in automatically using command line tools. It is a good way to login into the database because it randomly changes the password every time. MYSQL access control should be limit for a particular account. Many users use the default password root. This user is not secure. If any user can trigger a client from the local host. It is logged into the system using $ MySQL - user root command. So if you don't set a password that it is accessible by anyone. So you should set a strong password for MySQL.

ii) Remove anonymous users: An account without username and password should be removed because this type of user can get easily accessible by an attacker.

iii) Follow the principle of least privilege: This type account is accessed only by the user name. If that user can access any table of a database then it can access every table of the database. This type of user can allow any user for accessing the database from any network.

iv) Enable TLS: Strong password-only give protection from an attacker but it is also necessary to secure network traffic using TLS. The client is also restricted when TLS set up is done.

v) Encrypt data: only setting up the password is not guaranteed for protection. Data encryption is also a key point for database security. Data encryption provides protection when someone steals a disk from the server in that case drive need to be in a decrypted state to be read.

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