Running time: 52:14

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Leo Laporte and Steve Gibson

If it's Thursday it must be time for a new Security Now!

Main feed - courtesy AOL Radio

In this week's marathon edition Steve tackles security issues inherent to Ethernet, including ARP spoofing.

Programs mentioned on this show include:

• Cain and Abel
• Ettercap

For more information on ARP poisoning, visit grc.com