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Once upon a time, cybersecurity teams didn't have to worry about protecting cloud, mobile and IoT technologies, there weren't data breaches every day and phishing emails every moment. Nobody claimed the perimeter was dead—firewalls and airgapping worked just fine—and many security teams only worried about the occasional virus.
Security is different now. However, many things haven't changed at all. Many IT fundamentals haven't changed in over 30 years, and are still important in order to implement a well-rounded, holistic security strategy that considers all potential attack vectors. But many new (and not so new) security people might not know much about the old-world of enterprise IT and security.
We asked some experienced security professionals about which old fundamentals still need to be learned and understood to truly thrive in security today.
Joan Goodchild is a veteran journalist, editor, and writer who has been covering security for more than a decade. She has written for several publications and previously served as editor-in-chief for CSO Online. View Full Bio
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