May 18, 2006
As discussed in blogs like A consuming experience or Phydeaux3 among many others, Captcha is just not good enough for Spam bots.

Curiosly enough very recently Blogger Buzz made official the anouncement that Blogger Captcha got better and that they now provided you of audio captcha too, so if you were not able to decipher the visual captcha you could then hear the captcha numbers read to you and then enter them to validate that you are actual human and not a robot.

Yeah, who were going to say that we have to validate that we are humans after the 2000, who says we are not living in the future??.

Anyway, the problem is still there, visual captcha don´t work and audio captcha is actually worse, so... What is Blogger thinking?

I have the VERY educated guess that Blogger didn´t add the Audio Captcha as a way against Spam Bots but only as a option to users, becuase there is a very vocal group of users that have visual limitations and that is why this option was added. think about it. I see people that has visual limitations every now and then, the first thing they do is to up the level of the font in the brownser. imagine them triying to read a Blogger Captcha that someone without visual limitations have a little hassle to decipher?

Hence, the option to audio captcha.

Why is the Audio Captcha is not a good option against spam bots?

Simple, Voice recognition software is actually more common that image recognition software and is now way way way advanced, it can decipher things a normal person could not understand.

I mean voice recognition software has being in the open for 10 years now, there are alway have been FREE options of it like the natural voices recognition software by at&t and the classic MS voice recognition software.

well, i took the test with a audio captcha with a soon to be released Voice Recognition Software and a voice to keyboard software (that is all i am telling) and i was able to not only put my computer to decipher the audio captcha but to type it into the page and pass the blogger test without a sweat. i had done the same before with a image recognition software to break the image captcha´s,and every time i were able to break blogger security.

And i am not even versed in that kind of software so you can imagine how easy is for a Spammer to do this.

So, no, the solution is not image captcha´s or audio captcha´s, the solution is in Conceptual Captcha´s

There is one already gaining popularity because is so darn cute and that is Kittenauth where in order to validate you are human you have to see two rows of kitten photos and note wich one is not ovbiously a kitten in the photos that you are seeing to pass the test.

And it could go even further in the concept. like portray cute kittens and kitten that is just darn ugly.

HOW in hell is going a Bot to know what is cute and what not?. it can´t.

And we can go even further into that to make it impossible to a computer to pass the test.

I am thinking on iconographic tests with the same principle:

identify what icon don´t belong to the others.

That way we could have secure comments systems for the next decade.

Well. besides Spammenters of course...

*Edited



6 comments:

Aditya said...

Please! Lay off the poor cute kittens! You are at an all out war against those harmless beings!

Yes, captcha's don't help that much. But there is no other way of stopping spam comments, now is there? We'll need MIT level tests next to make sure that the comments are coming from humans and not bots. It doesn't work well for anyone.

You have to disable captcha's completely if you have the inline comment form anyway, so... Anyway, let's see what Blogger comes up with next! Maybe the next big update will be a revolutionised comment system?

Avatar said...

@Aditya: Please! Lay off the poor cute kittens! You are at an all out war against those harmless beings!

Yes, captcha's don't help that much. But there is no other way of stopping spam comments, now is there? We'll need MIT level tests next to make sure that the comments are coming from humans and not bots. It doesn't work well for anyone.

You have to disable captcha's completely if you have the inline comment form anyway, so... Anyway, let's see what Blogger comes up with next! Maybe the next big update will be a revolutionised comment system?


yeah, anything actually new

PLEASE Blogger PLEASE.

and am not at war with the kittens. i love kittens....i always had kittens. am a cat person... =P

Gaby de Wilde said...

hehehe, that voice keyboard trick was to funny.

I can type em pretty fast but I must say the random letters do horrible things to my already bad spelling and I ranted a bit about it some time ago.

Now I'm just astonished by the little question mark next to the c4pch4....

btw
I've hacked up an rss for the blogspot comments. But it's not what you think :-)

P.S.
I think your blog has failed guy's, ur content is much to good, should be a website. hehehe

Avatar said...

Hey gabs, yeah that trick is timeless don´t it?

And you hack comments shatters to pieces my methods doing the very same thing i am doing by feeding....that hacks is top notch stuff.

And thanks for the kind words Gabs. now go abuse the off topic thread!!!! with rob schrab videos.

Anonymous said...

Commentfeeds are interesting but I never get comments.

Back up the topic.

Did you press the little question mark? I think it's silly that they hidden that there?

Avatar said...

yeah, quite strange and silly. #5

(see everyone?, that is the good thing about numbered comments)

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