Computer Security Courses and Certifications

Introduces everyday practices for recognizing phishing, malware, and scams and hardening personal computers against common cyber threats.

• Codecademy
• 1 hour
• Self-Paced
• Free Trial Available

Preparing for your digital life in the 21st Century

2 ratings at OpenLearn

This free course, Preparing for your digital life in the 21st Century, provides a general overview of how digital technology has come to dominate virtually every aspect of the modern world and some...

• OpenLearn
• 10 hours
• Self-Paced
• Free Certificate

Paul Browning

IT and Networking Fundamentals - Complete Course Collection

Master comprehensive IT skills through hands-on labs covering Cisco CCNA, CompTIA certifications, Microsoft Azure, Linux security, and network design fundamentals.

• YouTube
• 1 week 21 hours 24 minutes
• Self-Paced
• Free Video

Computer Security

2 ratings

Learn how to design secure systems and write secure code.

• Coursera
• No Longer Offered
• Paid Course

Colin O'Flynn

Ethics and Computer Security

Explores ethical and legal dilemmas in computer security research, including vulnerability disclosure, bug bounties, public safety, and researcher responsibilities.

• YouTube
• 36 minutes
• Self-Paced
• Free Video

USENIX Enigma Conference

How Geopolitical Change Affects Computer Security and Privacy for Vulnerable Populations

How crises and geopolitical change reshape security and privacy needs for marginalized populations, and how technology can be designed to reduce vulnerability.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

CIT-001: Fundamentals of Computer Systems

1 rating

Survey of computer systems covering hardware, software, problem solving with C, communication networks, and introductory information security.

• Swayam
• 12 weeks
• Available until Nov 15, 2026
• Free Online Course

Stanford Seminar - Security and the Software Defined Network

3 ratings

Explores securing software-defined networks through policy arbitration, centralized management, application mediation, and automated threat response.

• YouTube
• 1 hour 14 minutes
• Self-Paced
• Free Online Course

Zero-Trust Linux Administration: Complete Root Sudo Security

32 ratings at Udemy

Advanced sudo policies, root access control, security logging & privilege escalation mitigation

• Udemy
• 2 hours
• Self-Paced
• Paid Course

Learn to use IBM Security zSecure Admin’s FORALL function to apply labor-saving bulk changes to RACF definitions.

• IBM Training
• 1 hour
• Self-Paced
• Free Online Course

Protecting IMS resources — transactions, commands, PSBs, dependent regions and terminals — by choosing the right security facility and coding the definitions in IMS and RACF.

• IBM Training
• 27 hours
• Self-Paced
• Free Online Course

Use zSecure Setup to create and work with an UNLOAD data set from an active primary RACF database.

• IBM Training
• 1 hour
• Self-Paced
• Free Online Course

Learn how IBM Z mainframe security and resiliency solutions protect client environments, and how their features and integrations strengthen security strategies across key segments.

• IBM Training
• 16 hours
• Self-Paced
• Free Online Course

Learn the IBM zSecure CARLa audit and reporting language: its background, supported input data sources and fields, and output customization with modifiers.

• IBM Training
• 1 hour
• Self-Paced
• Free Online Course

Explore IBM zSecure CARLa techniques for presenting profile segments in one line, combining user, group, and resource data, and comparing multiple user IDs.

• IBM Training
• 1 hour
• Self-Paced
• Free Online Course