Add-ons that embed known <a href="http://en.wikipedia.org/wiki/Spyware">spyware</a> or <a href="http://en.wikipedia.org/wiki/Malware">malware</a>
<a href="http://en.wikipedia.org/wiki/Spyware">스파이웨어</a>나 <a href="http://en.wikipedia.org/wiki/Malware">맬웨어</a>로 알려진 기능이 내장된 부가 기능