Should I be learning Cybersecurity on my primary machine?

I am a Master's student who is about to graduate with my degree in Accounting, specializing in information systems. In the next two months I will be returning to the accounting firm I interned at as a full-time IT auditor. In my free time I want to learn more about the field of cybersecurity and was just curious if I should be doing so on my primary computer. Or should I invest in a secondary laptop, raspberry pi, or other …

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