Summary

Chapter 16: Advanced Security 17You should run virus- and spyware-scanning programs to detect and clean unwanted software.Many browsers now come equipped with special tools and settings that prevent theoperation of several forms of malicious software. It might take several different programsand multiple scans to completely remove all malicious software:■■■■Virus protection: Antivirus programs typically run automatically in the backgroundand monitor for problems. When a virus is detected, the user is warned and the programattempts to quarantine or delete the virus.Spyware protection: Antispyware programs that scan for keyloggers and other malwareso that it can be removed from the computer.Adware protection: Antiadware programs look for programs that display advertisingon your computer.Phishing protection: Antiphishing programs block the IP addresses of known phishingwebsites and warn the user about suspicious websites.A dangerous form of malicious software that incorporates elements of social engineering isthe phishing attack. Figure 16-9 demonstrates a phishing attack website.Figure 16-9Phishing Attack ExampleNoteMalicious software can become embedded in the operating system. Special removal tools are availablefrom the operating system manufacturer to clean the operating system.