To find that out you just have to look for suspicious websites in the browser’s history, but what about the long-term consequences of such a surfing-behavior? Since adult-content and torrent sites are still the number one distributor of spyware and any other kind of malicious software, it is crucial to protect your Computer from such kind of software with an effective anti-spyware-program.
This is important even if you are sure that nobody using your PC visits the mentioned websites, because they are not the only sites your Computer gets infected with viruses and spyware. Spyware can get on your Computer without you noticing it on nearly any website, because programmers always find ways and means to outsmart the anti-spyware software that comes with your system and make their websites looking very reliable.
To protect your system from any kind of unauthorized access, you need a software that thoroughly removes any threats there may be installed on your PC. But before buying a software you should have a look at the vendors website and look how frequently the software is updated. The database of a good software is updated at least every two hours. Furthermore you should run a free test scan to see whether the software is capable of detecting spyware on your computer. And there definitely is, if you’re using just the normal spyware protection and not a specialized software. So when grandpa or whoever surfed on unreliable sites produced additional spyware on your PC, sticking to those two tips will ensure that this spyware gets detected and is removed. So your data is secure and your Computer doesn’t unnecessarily gets slowed down. Just be sure to get an anti-spyware-software.