With changing technology, everyday new kinds of threats showing up in different forms. The most common threats to be aware of HACKING : Any unauthorized access to a computer by using different tools or techniques or software(malware). An intruder finds weaknesses (or pre-existing bugs) in your security settings and exploit them in order to access your information. Often installs a Trojan horse, providing a back door for hackers to enter and search for your information. MALWARE : Mal icious Soft ware (Malware) is one of the more common ways to infiltrate or damage your computer such as computer viruses, worms, Trojan horses, spyware, and adware. Also uses intimidate you with scareware, which provides false information like security or virus issues. These malware can alter or delete files or reformat the hard drive of your computer causing you to lose all your information or steal sensitive information. Also, it can take control of your computer and all the software running on it.