4 ms·

Although i agree with most of what you said, Windows Defender is not as lightweight as you think it is. https://www.av-comparatives.org/wp-content/uploads/2016

• cmdrfred 10y ago
  It certainly feels lightweight though and that is the important metric.
  • rufius 10y ago
    Some might argue it's the only real metric that matters for user perception. That said, if it's hitting your battery that will be hard for user to perceive.