How do virus-writers keep their scripts from infecting their own computers?

Question by Pastor Chad from JesusFreak.com: How do virus-writers keep their scripts from infecting their own computers?
I PROMISE I’m not writing malicious script, 🙂 but I was just running a virus scan on my laptop, and I got to wondering how hackers and other such people can write viruses that don’t infect their own computers. I would assume there’s sort of a reverse process that would keep their own computers safe that would also be a key in protecting others’ computers as well? This seemed so ironic about virus writers not being affected by the scripts they write that I thought I’d ask.

Best answer:

Answer by rchlbsxy2
They do infect their own computers, they will have ones that they use only for testing and seeding the virus.

The ones they use normally won’t be connected to the internet.

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