Explore computer security courses on network protection, encryption, and cybersecurity threats. Prepare for careers in IT security and risk management.

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Security, TCP/IP, Network Protocols, Network Administration, Endpoint Security, Routing Protocols, Network Routing, Cybersecurity, Endpoint Detection and Response, Cyber Threat Intelligence, Firewall, Network Infrastructure, Network Architecture, Intrusion Detection and Prevention, Local Area Networks, General Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Data Loss Prevention
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Support, Virtual Private Networks (VPN), Network Troubleshooting, Network Routing, Network Security, Routing Protocols, Intrusion Detection and Prevention, Authentications, Network Monitoring, Event Monitoring, Lightweight Directory Access Protocols, Technical Support and Services, Remote Access Systems, Network Administration, Security Engineering, Application Security, Cybersecurity, Computer Security, Cyber Security Strategy
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cryptography, Cyber Security Strategy, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, IT Security Architecture, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Encryption, Information Systems Security, Threat Modeling, Cybersecurity, Cyber Attacks, Computer Security Incident Management, Threat Management, Application Security, Data Security, Computer Security, Security Management, Network Security, Incident Response, Data Encryption Standard, Cyber Security Policies, Cryptography, Intrusion Detection and Prevention, Security Controls, Data Integrity, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Wireless Networks, Network Security, Threat Management, Vulnerability Assessments, Vulnerability Scanning, Local Area Networks, Cybersecurity, Cyber Attacks, Authentications, Security Awareness, Enterprise Security, Network Protocols, Telecommunications, Encryption, Identity and Access Management, Cryptographic Protocols, Networking Hardware, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Cybersecurity, Malware Protection, Network Security, Application Security, Information Systems Security, Cyber Security Strategy, Authentications, Data Security, Risk Management, Security Controls, Multi-Factor Authentication, Security Software, Threat Management, Risk Management Framework, Cryptography, Endpoint Security, Firewall, Threat Detection, Operating Systems
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Cryptography, Application Security, Security Testing, IT Security Architecture, Cyber Threat Intelligence, Cyber Risk, Encryption, Network Security, AI Integrations, DevOps, Cybersecurity, CI/CD, Security Awareness, Cloud Security, Software Development, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Cyber Operations, Unix, Computer Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Open Shortest Path First (OSPF), Network Routers, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Planning And Design, Network Switches, General Networking, Virtual Networking, Network Performance Management, Computer Networking, Network Architecture, Network Engineering, Wireless Networks
Intermediate · Specialization · 3 - 6 Months
Computer security, also known as cybersecurity, is the practice of protecting systems, networks, and programs from digital attacks. These attacks often aim to access, change, or destroy sensitive information, disrupt services, or extort money from users. The importance of computer security cannot be overstated; as our reliance on technology grows, so does the potential for cyber threats. Effective computer security measures help safeguard personal data, maintain privacy, and ensure the integrity of systems, making it a critical component of modern society.‎
A career in computer security can lead to various job opportunities, reflecting the growing demand for skilled professionals in this field. Common roles include Information Security Analyst, Network Security Engineer, Cybersecurity Consultant, and Security Software Developer. Additionally, positions such as Chief Information Security Officer (CISO) and Security Architect are available for those with more experience. Each of these roles plays a vital part in protecting organizations from cyber threats and ensuring compliance with regulations.‎
To succeed in computer security, you need a blend of technical and soft skills. Key technical skills include knowledge of network security protocols, encryption techniques, and vulnerability assessment tools. Familiarity with operating systems, firewalls, and intrusion detection systems is also essential. On the soft skills side, critical thinking, problem-solving, and effective communication are crucial, as professionals often need to explain complex security issues to non-technical stakeholders. Continuous learning and staying updated with the latest security trends are also important.‎
There are numerous online courses available to help you learn about computer security. Some highly regarded options include the Introduction to Computer Security course, which covers fundamental concepts, and the Computer Security and Systems Management Specialization, which offers a deeper dive into managing security systems. Additionally, the Fundamentals of Computer Network Security Specialization provides a comprehensive overview of network security principles.‎
Yes. You can start learning computer security on Coursera for free in two ways:
If you want to keep learning, earn a certificate in computer security, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎
To learn computer security effectively, start by identifying your current skill level and areas of interest. Begin with foundational courses, such as the Introduction to Computer Security, to build your knowledge base. Engage in hands-on practice through labs and simulations, which can enhance your understanding of real-world applications. Joining online forums or study groups can also provide support and motivation as you progress in your learning journey.‎
Computer security courses typically cover a range of topics, including risk management, threat analysis, network security, cryptography, and incident response. You may also learn about security policies, compliance regulations, and ethical hacking techniques. Advanced courses might explore into specialized areas like cloud security or mobile device security, providing a comprehensive understanding of the various aspects of protecting digital assets.‎
For training and upskilling employees in computer security, consider courses like the Information Security Analyst Professional Certificate, which equips participants with essential skills for identifying and mitigating security risks. The Microsoft Azure Security Engineer Associate (AZ-500) Professional Certificate is also beneficial for those working in cloud environments. These programs are designed to enhance the security capabilities of teams and organizations.‎