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When writing software, is it worth targeting a TPM for increased security?

That boils down to: how common are normal business desktop and laptop computers with a TPM (not servers, not so interested in personal computers/gaming rigs etc)? On a scale of:

  • If you can find one without, it's probably running WinME.
  • They are ubiquitous on new machines, but there are probably lots of older machines without.
  • Only found on specialist new machines
  • Nope, not going to find one.
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  • Please rephrase the question and make it relevant to security.
    – mootmoot
    Commented Aug 9, 2018 at 8:44
  • @mootmoot that's not particularly helpful advice. Clearly prevalence of TPMs is "relevant to security".
    – OrangeDog
    Commented Aug 9, 2018 at 11:42
  • @OrangeDog How common are normal business desktop and laptop computers with a TPM is sound like asking opinion. Even with actual statistic, I still fail to see how it is related to a direct security question.
    – mootmoot
    Commented Aug 9, 2018 at 11:47
  • @mootmoot Does my clarification help? Or do you still regard it as "not relevant to security".
    – Martin Bonner supports Monica
    Commented Aug 9, 2018 at 14:55
  • The edited question seems like it, but it is pretty subjective. For normal business apps developer, TPM is not their concern. But for company that provide special tools that make use of the TPM, they need to fork resource to deal with it.
    – mootmoot
    Commented Aug 9, 2018 at 15:21

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