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A Brief History of Computer Viruses

How experimental code became a global security problem—and what four decades of outbreaks taught us.

Written byAlex Morgan
PublishedJuly 14, 2026
Reading time7 min read
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The conversation

What did you take away?

7 replies

The early timeline is fascinating. The biggest shift seems to be when experimentation turned into an industry.

Reply

That commercialization point is exactly where the incentives changed.

And connectivity made every local experiment capable of becoming global.

The article also shows why backups matter: recovery has always been as important as prevention.

Reply

Good point. Prevention-only plans often fail the first time something genuinely new appears.

I would love to hear which outbreak first changed how everyone here thought about computer security.

Reply

For me it was WannaCry because the real-world disruption was impossible to ignore.