These days, Computer Security or Cybersecurity is essential for computer systems. As peoples, schools and companies use computers to keep their personal and business data. The data stored is safe from physical threats, but not from online threats, spyware, viruses, malware. Computer Security includes both of the securities, physical access as well as network access. To know more about IT Security and preventions for cyber attacks, visit mcafee.com/activate | office.com/setup | mcafee.com/activate | office.com/setup.