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Security Myths (cont.)
"I'm not listed in a DNS, I'm safe, right?" Many people think that since there are so many hosts on the Internet, they are safely anonymous. This phenomenon is called Security through Obscurity, and is completely false. You may not be "advertised" in a DNS server, but you still have an IP address when you are connected. Today's cracking tools give anyone the ability to automatically scan an entire Class B network (65,536 hosts) by IP address and display vulnerabilities for each host in a few hours. Once one of your machines is compromised, it is fairly easy to break other machines you connect to.
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