Running inside a SonicWALL device is the SonicOS operating system, which is responsible for application and traffic management of organisation’s network infrastructure. Below, we shall take a closer look at out of the box configuration of the firewall.

Dubbed “The Internet 3.0”, Blockchain can be described as a continuously growing list of digital records, called blocks, which are linked and secured using cryptography. Typically, each block contains a cryptographic hash of the previous block, a transaction timestamp and transaction data. 


Developed by a research team led by principal investigator David Ferruci, IBM Watson is a question-answering computer system with the ability to answer questions posed in natural language. The IBM DeepQA project that invented Watson was named after the company’s first CEO and industrialist Thomas J. Watson.

There comes a time when you wake up to find, the virtual machine systems that took so long to build has failed to start up. A perfectly normal emotional response will be going into panic mode about the fate of your precious operating systems.


In the world of computing, an organizational unit (OU) provides the ability to classify objects in directories, or names in a digital certificate hierarchy, typically used to differentiate between objects with the same name (Example: Felicity Doe in OU “Sales” and Felicity Doe in OU “Customer service”). This functionality can be used to parcel out authority to create and manage objects such as giving rights for user-creation to local technicians instead of having to manage all user accounts from a single central group.

The Domain Name System (DNS) is arguably one of the most important components of a computer network and internet infrastructure. DNS unavailability presents all sorts of problems related to finding resources on an internal network as well as external internet resources, acting like a phone book to translate familiar names such as www.google.co.uk to the IP address 8.8.8.8 and vice versa.