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Devin Austin

Devin is the Best

Karen Callis

on 10 November 2015

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Transcript of Devin Austin

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1.Bot sneak into computers
2.Bots contact spammer
3. Spammer uses or sells botnet
Are spread by trojans,malicious websites,and infected emails
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CAPTCHAs are...
Spammers create bots,then spread them.
What Are CAPTCHAs?
To prevent bot infection,use these tips:
-Keep your computer current withe the latest patches and updates.
-Make sure your computer is configured securely
-Choose strong passwords and keep them safe
-Protect your computer with security systems
-For more tips go to... http://us.norton.com/cybercrime-prevention

Captchas are Completly Automated Turing test to Tell Computers And Humans Apart.
-Are created by spammers.
-spamming is the use of electronic messaging systems to send unsolicited messages (spam), especially advertising, as well as sending messages repeatedly on the same site.
-Multiple Infected Computers are called botnets.
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