Free Cyber security Courses
Hand-picked AI and tech courses, free and paid, that are worth your time.
23 courses
Red Teaming LLM Applications
Learn to spot weaknesses in LLM apps such as prompt injection, data leaks and harmful output, and to run manual and automated red-teaming tests. Useful for developers and security-minded testers.
View courseCS50's Introduction to Cybersecurity
A non-technical introduction to cybersecurity, covering how to secure accounts, data, systems and software and how to weigh threats against costs. Suits anyone who wants to stay safer online.
View courseIntroduction to security, compliance, and identity concepts
Explains key ideas such as zero trust, encryption, authentication and compliance. The opening part of SC-900 preparation and a gentle entry to cybersecurity careers.
View courseIntroduction to Microsoft Entra
Learn how Microsoft Entra ID manages users, sign-in, multifactor authentication and access policies. Part of the SC-900 track for aspiring security and IT support staff.
View courseIntroduction to Microsoft security solutions
Overview of Microsoft's security tools for networks, devices and threat detection, including Defender and Sentinel. Continues SC-900 preparation for beginners in security operations.
View courseDescribe the concepts of cybersecurity
Introduces common cyber threats, attack techniques and the basic defences used to counter them. A plain-language primer for anyone considering a cybersecurity career.
View courseAI security fundamentals
Learn the main security risks facing AI systems, such as prompt injection and data leakage, and the controls used to reduce them. Suits security learners and AI builders alike.
View courseTrust and Security with Google Cloud
Covers cloud security basics, including shared responsibility, identity, compliance and Google's security approach. Part of the Cloud Digital Leader path for business and IT learners.
View courseIntroduction to Google Security Operations: Unified SecOps
Foundational tour of the Google Security Operations platform, covering its architecture and how analysts detect and investigate threats. Suited to beginners interested in SOC roles.
View courseAWS Security Fundamentals
Introduces cloud security basics on AWS, including shared responsibility, access control, data protection and monitoring. Suits beginners interested in cloud security roles.
View courseIntroduction to Cybersecurity
A short self-paced course on common online threats, protecting personal data and how organisations defend themselves, with a digital badge on completion. Ideal first step for anyone curious about cybersecurity careers.
View courseNetworking Basics
Learn how networks work, including IP addressing, wireless, Ethernet and basic network services, using Cisco Packet Tracer activities. Suits beginners exploring IT support, networking or security jobs.
View courseNetworking Devices and Initial Configuration
Hands-on practice setting up switches and routers, understanding network devices and applying initial configurations in simulation. A logical next step after networking basics for aspiring network technicians.
View courseNetwork Addressing and Basic Troubleshooting
Covers IPv4 and IPv6 addressing, subnetting and systematic ways to find and fix common network problems. Useful for help desk staff and learners preparing for entry-level networking roles.
View courseNetwork Defense
Teaches how to monitor and protect networks using access control, firewalls, cloud security and cryptography concepts. Good for learners building toward a junior cybersecurity analyst role.
View courseEndpoint Security
Focuses on securing computers and devices, covering operating system protection, malware defence and network basics for security staff. Suits beginners heading toward cybersecurity technician work.
View courseCyber Threat Management
Explains cybersecurity governance, risk assessment, vulnerability management and incident response processes. Helpful for learners who want to understand how organisations plan for and handle attacks.
View courseNSE 1 in Cybersecurity
Free self-paced training on today's threat landscape and core cybersecurity and cloud concepts, with an online exam and digital badge. Ideal for anyone starting out in cybersecurity.
View courseNSE 2 in Cybersecurity
Explains what next-generation firewalls do and their key security features, ending in an online exam for the NSE 2 badge. Suits entry-level learners who finished NSE 1.
View courseFortinet Networking Fundamentals
A self-paced primer on core networking concepts such as addressing, routing and network services, from a security vendor's viewpoint. Good groundwork before tackling firewall or security operations training.
View courseIntroduction to secret protection
Shows how to enable secret scanning and push protection so passwords and API keys never leak into your repositories. A quick, practical security lesson for every developer.
View courseIntroduction to Cybersecurity
Explains basic cybersecurity concepts, common threats and attack types, and simple ways to protect people and organisations. A light, non-technical start for security beginners.
View courseInformation Security (CS205)
Introduces security concepts such as threats, cryptography, access control and safe practices. Useful for IT students exploring a cybersecurity career.
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