Computing foundation, data storage and memory

Beginner
24m 35s
4,250
4.6/5

Lesson Description 

This lesson introduces the basic ideas of computing, networking, communications, security, and virtualization, and will provide you with an important foundation for the rest of the lesson.  

 

Learning Objectives 

The objectives of this lesson are to provide you with an understanding of: 

  • Computer system components, operating systems (Windows, Linux and Mac), different types of storage, file systems (FAT and NTFS), memory management. The core concepts and definitions used in information security 
  • Switched networks, packet switching vs circuit switching, packet routing delivery, routing, internetworking standards, OSI model, and 7 layers. The benefits of information security  
  • TCP/IP protocol suite, types of addresses, physical address, logical address, IPv4, IPv6, port address, specific address, network access control, and how an organisation can make information security an integral part of its business 
  • Network fundamentals, network types (advantages and disadvantages), WAN vs LAN, DHCP 
  • How data travels across the internet. End to end examples for web browsing, sending emails, using applications - explaining internet architecture, routing, DNS 
  • Secure planning, policies, and mechanisms, Active Directory structure, introducing Group Policy (containers, templates, GPO), security and network layers, IPSEC, SSL / TLS (flaws and comparisons), SSH, Firewalls (packet filtering, state full inspection), application gateways, ACL's 
  • VoIP, wireless LAN, Network Analysis and Sniffing, Wireshark 
  • Virtualization definitions, virtualization models, terminologies, virtual models, virtual platforms, what is cloud computing, cloud essentials, cloud service models, security amd privacy in the cloud, multi-tenancy issues, infrastructure vs data security, privacy concerns 

 

Intended Audience 

This lesson is ideal for members of cybersecurity management teams, IT managers, security and systems managers, information asset owners, and employees with legal compliance responsibilities. This lesson acts as a foundation for more advanced managerial or technical qualifications. 

  

Prerequisites  

There are no specific pre-requisites to study this lesson, however, a basic knowledge of IT, an understanding of the general principles of information technology security, and awareness of the issues involved with security control activity would be advantageous. 

 

Feedback 

We welcome all feedback and suggestions - please contact us at support@cloudacademy.com if you are unsure about where to start or if would like help getting started. 

About the Author
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Paul Andrews, opens in a new tab
Cyber Security Technical Consultant
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Paul began his career in digital forensics in 2001, joining the Kent Police Computer Crime Unit. In his time with the unit, he dealt with investigations covering the full range of criminality, from fraud to murder, preparing hundreds of expert witness reports and presenting his evidence at Magistrates, Family and Crown Courts. During his time with Kent, Paul gained an MSc in Forensic Computing and CyberCrime Investigation from University College Dublin.

On leaving Kent Police, Paul worked in the private sector, carrying on his digital forensics work but also expanding into eDiscovery work. He also worked for a company that developed forensic software, carrying out Research and Development work as well as training other forensic practitioners in web-browser forensics. Prior to joining QA, Paul worked at the Bank of England as a forensic investigator. Whilst with the Bank, Paul was trained in malware analysis, ethical hacking and incident response, and earned qualifications as a Certified Malware Investigator, Certified Security Testing Associate - Ethical Hacker and GIAC Certified Incident Handler. To assist with the teams malware analysis work, Paul learnt how to program in VB.Net and created a number of utilities to assist with the de-obfuscation and decoding of malware code.

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