As the average Internet user wises up to the the classic fraudster angles, criminals have to move to new targets. People are getting better at recognizing emails phishing for their Bank of America online banking credentials. We’ve all seen 419 scams in our inboxes, which are looking for you to front money for a bigger payout down the line (aka “advance fee fraud”).

As a result, the bad guys have had to turn their attention to new targets. In 2007, we saw attacks looking to get at employers’ Monster.com accounts, individuals’ MySpace and Facebook contacts as well as Salesforce credentials. There has also been a rise in classic phishing emails targeting smaller banks or banks in emerging economies, where the average end user isn’t as experienced at dealing with phish.

But in our hurry to stay on top of the latest trends, we can sometimes lose sight of the tried-and-true fraud techniques that still work.

And sometimes it’s easier to be fooled when the threat is directed at our employers.

I recently had the following two emails forwarded to me. Folks were asking: are these for real?

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The guys at OpenDNS made an interesting announcement yesterday. They’re building a community authored directory of web sites to enhance their DNS-based web filtering service. OpenDNS is a free DNS service that anybody can use simply by changing their computer’s DNS settings.

This is how a DNS-based filtering service works. You change your network settings (typically the one’s served up dynamically by your DHCP server) to use the DNS servers from OpenDNS. When a user types playboy.com into the address bar, the web browser attempts to find the IP address for playboy.com using DNS. But the OpenDNS servers don’t return the real IP address for playboy. Instead they return the IP address of a server that sends the user a block page. Hey presto, the user is blocked. Frankly, it’s brilliant in its simplicity. And the community categorization approach is extra brilliant.

A DNS-based filtering solution is great at snuffing out inadvertent browsing of bad web content. When my five-year-old uses our home computer and starts clicking around on stuff, I’d like to simply prevent him from accidentally viewing nasty sites that might come back in a Google search. A DNS-based approach will absolutely solve this problem.

But my five-year-old is not what I would call a determined attacker.

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PBS’s Frontline recently ran a special on kids and the Internet titled “Growing Up Online”. You can watch the entire show online — and I definitely recommend it for anyone involved in education: parents, teachers, administrators, IT.

They address some interesting issues, including:

The disturbing pro-anorexia phenomenon, which I had never heard of until I got into the Internet Filtering industry. Sometimes these sites attempt to walk the line between self-help and truly being pro-anorexia. 8e6’s categorization policy is for pro-ana sites to go into Obscene/Tasteless and anorexia disorder help sites to go into Health. Often, this is a surprisingly close judgment call.

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