Tag Archives: CAPTCHA

5 Ways To Make a Spammer Hate You

A spammer’s worst enemy is an educated user. Here are five easy ways to make sure you’ll never be a spammer’s best friend: 1.  Don’t display your email address as plain text on your website. A contact form is best, since …

5 Ways To Make a Spammer Hate You
   

Blocking Port 25 Really Does Thwart Spammers

South Korea recently announced plans to fight the country’s growing spam problem by asking all ISPs to block all port 25 traffic - something that’s already done in Canada, many European countries, and by some ISPs here in the U.S. The reason blocking …

Blocking Port 25 Really Does Thwart Spammers
   

CAPTCHA Cracked Again

We’ve all seen them before, those annoying combinations of letters and numbers that you have to type before sending a form or registering for a website. That’s right, we are talking about CAPTCHA. CAPTCHA, or Completely Automated Public Turing test to tell Computers and Humans Apart, is …

CAPTCHA Cracked Again
   

Spam News Roundup

Spam is always in the news. Despite some reports that say overall levels are going down, spammers and their botnets are still hard at work filling inboxes and clogging social networks. Here’s a look at the latest spam news: New …

Spam News Roundup
   

5 Criticisms of the Challenge-Response Solution

I usually enjoy reading John C. Dvorak’s rants on popular technology so when he took on challenge-response anti-spam solutions I knew that it would be another great read. Like Dvorak, I find the growing popularity of using a challenge-response solution …

5 Criticisms of the Challenge-Response Solution
   

Four Simple Anti-Spam Projects to make a Difference

Fed up with spam?  Or perhaps your CEO is, and has been pressing you to come up with some concrete plans in 2011 to reduce the amount of digital trash he has to wade through every morning.  Now, regular readers …

Four Simple Anti-Spam Projects to make a Difference
   

Google reCAPTCHA cracked

Despite denials from Google, a security researcher continues to assert that the Search King’s reCAPTCHA system for protecting Web sites from spammers can be successfully exploited by Internet junk mail panderers. Researcher Jonathan Wilkins published a paper recently that included …

Google reCAPTCHA cracked
   

Videos used to foil spammers

As every spamfighter knows, junko artists are resilient. Almost as fast as new obstacles are thrown in their path, they cook up a way to counter them. CAPTCHA, for example, initially created an effective barrier to spambots, an automated means …

Videos used to foil spammers
   

“Mr. E” breaks CAPTCHAs for a living

To curb the exploitation by spammers of webmail and the comment sections at websites, White Hats created an ingenious system called CAPTCHA–”Completely Automated Public Turing test to tell Computers and Humans Apart.” The system is simple but effective. It displays …

“Mr. E” breaks CAPTCHAs for a living
   

New CAPTCHA Alternative Uses Ads Instead of Random Words

A new company has unveiled its CAPTCHA replacement and says it believes it is a viable option. The platform, called TYPE-IN, uses ads instead of the random words and phrases that traditional CAPTCHA platforms use. In those platforms the words …

New CAPTCHA Alternative Uses Ads Instead of Random Words