Dec 15 2013

Twitter spam filters overloaded

I believe the Twitter spam filters are currently overloaded or at least someone’s figure out a way around them.  In the last 72 hours, I’ve gotten more twitter followers than I normally get in a three weeks.  At first it was hard to tell if they were real people or not, but as they’ve accumulated, I’m certain that the vast majority of them are not.  It’s gotten to the point that I’m reporting all new followers as spam, unless there is sufficient reason to believe they might be a real person. 

So what characteristics do the spam followers share in common?

  1. Non-english speakers.  Russian, Spanish, Arabic, and any number of other languages I don’t recognize.  I’m assuming some are gibberish even in their own language.
  2. Very low number of tweets.  Almost all of these accounts less than 200 tweets and a significant number have less than 50 tweets.  There doesn’t seem to be a commonality of having links in these tweets, but I’ve given up on looking at their tweets.
  3. High following count/low follower count.  In an organic growth pattern, twitter users don’t tend to have a 10 to 1 following/follower ratio, since close to 10% of twitter is the bots anyway.  
  4. No listed count.  It doesn’t look like the bots have figured out how to get themselves listed quite yet.  Maybe there will be a botnet that will autolist bots in the future, but this is a big giveaway for now.

I’m confident the folks at twitter will figure out a way to stem the tide of the current bot invasion, but in the mean time I’ll continue to report these accounts for spam.  I apologize ahead of time if I block any real people by accident.  

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