100% FreeNetwork Security Essentials
Design and defend networks: segmentation, firewalls, VPNs, wireless security, and monitoring. Essential for sysadmins and security analysts.
10 lessons · Verified certificate
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100% free · Verified certificate
Understand threats, vulnerabilities, and defences from first principles. Build the foundation for Crownshire's MSc Cybersecurity and professional security roles.
Crownshire Academy10
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Enroll in Crownshire Academy to access rich reading lessons, track your progress, and download a landscape PDF certificate with the official university seal and QR verification when you complete every lesson.
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