An operating system should include antivirus and spyware and malware detection software to fend off intrusions. The use of this security software is discussed in Secure IT 9-2 in this chapter. Major companies that provide this software often include information on their websites about recently discovered virus threats and hoaxes. They also track scheduled virus payload strikes and map global and regional virus attacks. Research This: Visit at least two virus protection websites to obtain virus information. When were the latest active threats discovered and updated? What are their names and risk levels? When is the next virus payload strike scheduled? What type of malware is spreading via mobile device use? Which virus removal tools and resources are available?