Computing

SQL injection is one of the main coding languages that is used to access information in databases. SQL injections are pieces of SQL typed into a website's input box which then reveal sensitive information.

Network forensics is a sub-branch of digital forensics relating to analysis of computer network traffic for the purposes of information gathering, legal evidence, or intrusion detection. Network forensics is also seeing who has logged on which files they have accessed how many password attempts they have made to log on. 

A denial-of-service (DoS) is any type of attack where the attackers (hackers) attempt to prevent legitimate users from accessing the service. The server is flooded with unnecessary traffic to lock the user out.

A brute force attack is a type of active attack that uses trial and error and cracking the passord to gain information and uses an automated software to produce hundreds of likely paswords. 

An array is a data structure that can store a collection of data values all under one name.

Secondary storage is non-volatile and it is where all data like applications are stored when not in use.