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Yahoo Groups Phishing Expeditions

September 4th, 2011 · 4 Comments

Lately I’ve been getting a whole bunch of stupid clearly machine generated Yahoo Groups invitations.  The latest one was to join the “Chlvrx Group”  The description for this Yahoo Group is “rm03456w85″.  This is obviously machine generated garbage, but why?

So what in the world is going on here?

I have a theory: The hackers are validating their email lists using Yahoo’s Group function.  That’s because they can easily upload a few thousand email addresses to Yahoo’s make a new group system and then get Yahoo to send out good and honest emails to that list.  Emails from Yahoo’s groups section will make it through most spam filters to arrive in your inbox.  Yahoo will then dutifully report back when any of the addresses are no longer any good.

Also you as the recipient will say, wait a minute I never joined any Yahoo group!  And you will dutifully hit the “Unsubscribe” button- thereby validating your email address for the hacker.

Now why is all of this happening in September?  Because just like any big retailer who has to deal with large lists of online customers, the hackers are gearing up for the holiday season crush.  I have a feeling with the economy in the state it’s in, we’re going to see a bumper crop of spam, phishing, and scams. And with the economy down, the protection teams at Yahoo and other sites are feeling the pinch with layoffs and smaller teams needing to do more work.

So put on your thinking cap and be careful out there this cyber season because it’s going to be a hectic.

Have a great holiday weekend and I’ll see you in school in a few weeks.  If you’re interested, I’m teaching at Bergen Community College again this semester- Social Media for Business, a certificate course with 5 classes covering all areas of social media.

PS- sorry I’ve not written much recently.  I’ll need to write more in the fall or my blogging students will think I’m lame… stay tuned.

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Tags: Serendipity Sunday

4 responses so far ↓

  • 1 Nancy Passow // Sep 4, 2011 at 10:12 am

    Chris, it’s good to see you posting, I’ve missed you!

    I haven’t received any of these (yet) but will be on the look-out. It’s not quite as easy, though, to add names to a Yahoo group. I’m moderator for my kayak & canoe club group and I can only add 10 names a day. I think you can invite a larger list to join the group (which would involve people accepting the invitations) but you’re very limited on directly adding e-mail addresses to the group member list.

  • 2 Chris Kieff // Sep 5, 2011 at 6:26 am

    Nancy, I suppose they are limiting it. But if you automate the entire process and start in September, I’m sure you get a bunch run over a few weeks time.

  • 3 Nancy Passow // Sep 11, 2011 at 8:11 pm

    You can invite 50 people per day. And when you add (and probably when you invite), you have to enter a “captcha” code (which I get wrong half the time, it’s a really annoying process!)

  • 4 mlevi2538@gmail.com // Sep 22, 2011 at 6:15 am

    very nice

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