Most Common Security Threats (cont a Potentially unwanted programs(PUPs) 6 Example vista antispyware 20 13 infects computers running vista .o Browser parasites changes your computer settings "o Adware displays calls for pop -up ads when you visit sites o Spyware may be used to obtain information such as keystrokes, email, IMet Phishing o Social engineering relies on human curiosity, greed, and gullibility to trick users into taking action that results into downloading malware 今上- mau scams .o Spear-phishing spear phishing messages appear to come from a trusted source .o Identity fraud /theft Copyright C 2014 Pearson Education, Inc. Publishing as Prentice Hall Slide5-13Most Common Security Threats (cont.) ◼ Potentially unwanted programs (PUPs) ❖ Example Vista antispyware 2013 infects computers running Vista ❖ Browser parasites changes your computer settings ❖ Adware displays calls for pop-up ads when you visit sites ❖ Spyware may be used to obtain information such as keystrokes, email, IM etc. ◼ Phishing ❖ Social engineering relies on human curiosity, greed, and gullibility to trick users into taking action that results into downloading malware ❖ E-mail scams ❖ Spear-phishing spear phishing messages appear to come from a trusted source ❖ Identity fraud/theft Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall Slide 5-13