Internetna varnost je pomemben faktor našega vsakdanjika na spletu. Majhen delež obiskovalcev svetovnega internetnega omrežja se zaveda, katere osebne podatke lahko razkrijemo ob nepazljivosti. V namen varnejše uporabe spleta si bomo ogledali pogoste varnostne luknje, orodja s katerimi lahko odkrijemo varnostne luknje in kako varnostne luknje pokrpati.Internet security is an important part of our everyday life on the World Wide Web. A small number of internet users are aware that our private information can be obtained by hackers, because of our carelessness. We are going to read about often used security holes, tools with which we can find them, and how to patch them in hope of more secure internet use