- All Courses
- Network security
Best Network Security Courses
These free online network security courses will teach you how to protect your networks from an array of threats, including unauthorised access, malware and data theft. From email security to setting up firewalls, these courses will show you how to identify weaknesses in your network security as well as how to strengthen it to ensure that no external party can access your data....…Read More
- 50 Free Courses
- 2,712,664 Learners
- 358,772 Certificates & Diplomas Earned
Most Popular
Network Security Courses

Advanced ESXi 5.0 - Security, Server and VM Monitoring
- State the processes involved in ESXi Firewall Configurat...
- Distinguish between CPU Resource Settings and Memory Res...
- List the requirements of common resources on ... Read More

Diploma in Certified Information Systems Security Professional (CISSP 2019)
- Analyze how secure a system is
- Identify potential risks to the system
- Describe Identity and Access Management Read More

Diploma in Information Technology Support
- Identify some typical roles and responsibilities associa...
- Assess and mitigate security risks by implementing appro...
- Explain the organisational importance of IT s... Read More

Diploma in Cyber Security
- Identify and mitigate various cyber threats and attack v...
- Summarise conduct vulnerability assessments and apply pa...
- Discuss the basics of cyber security and their relevance...
- Explain how to ‘harden’ operating systems and... Read More

Computer Networking - Local Area Networks and the OSI Model
- Define what Local Area Network (LAN) means
- Describe the key devices found on a LAN
- Explain how Hubs, Switches and Routers functi... Read More

Cyber security: Understand Threats and Prevent Attacks
- Outline cyber security fundamentals
- Compare various types of malware
- Classify different types of security breach a... Read More

Diploma in Computer Networking
- Explain how hubs, switches and routers function
- Describe how ethernet works
- Outline the structure and function of IP addresses
- List the seven layers of the OSI model Read More

Diploma in Interconnecting Cisco Networking Devices Part 1 (ICND1) v3 CCNA
- Outline a simple network
- Identify internet connectivity
- Explain network device security Read More

Basics of Network Engineering
- Define the term telecommunications along with the basic ...
- Identify the applications, characteristics, and distinct...
- Discuss the fundamental limitations and specifications f...
- Explain the overarching concept and functiona... Read More

CompTIA Security+ (Exam SYO-501)
- Describe the process for analyzing risk
- Discuss identifying security threats
- Explain implementing host and software security
- Indicate managing identity and access Read More

Diploma in VMware and vSphere 6.5 Administration
- Discuss the various examinations and certifications avai...
- Describe the software-defined data centre
- Discuss the size of the CPU, Memory and Netwo... Read More

Basics of Cisco Network Associates
- Discuss how to automate and manage a network
- Outline the benefits and importance of wireless technolo...
- Explain the basics of computer networking and... Read More

Introduction to Computer Network Security
- Discuss the core principles of security
- List the four parts of risk management
- Describe the different layers of physical sec... Read More

Zero Trust Cyber Security Model - Imperative Concepts for Beginners
- Compare perimeter-based security measures implemented by...
- Discuss how cyber security dynamics have changed recentl...
- Relate the NIST 800-207 standard to the estab... Read More

Digital and Cyber Security Awareness
- Identify cyber security risks
- Describe proper promotional techniques
- Explain how to prevent cyber attacks Read More

Vulnerability Assessment and Penetration Testing (VAPT)
- Describe the significance of Vulnerability Assessment an...
- Distinguish between Vulnerability Assessment and Penetra...
- Explain the key components of Cybersecurity F... Read More
Benefits Of An Alison Certificate
Certify Your Skills
A CPD accredited Alison Certificate certifies the skills you’ve learnedStand Out From The Crowd
Add your Alison Certification to your resumé and stay ahead of the competitionAdvance in Your Career
Share your Alison Certification with potential employers to show off your skills and capabilities

Explore Courses By Category
Explore In-Demand Careers
Discover More CareersPopular Course Creators
Over 45 million learners have used Alison to empower themselves
Not sure where to begin?
What is your main goal on Alison?
- 4,500+ free courses
- 45 million+ learners
- 10 million+ graduates
- 195 countries