Google and CAPTCHA Pages

With Firefox and Google personalized homepage as defaults,
this morning I encountered a CAPTCHA
challenge response upon opening the web browser. A page with CAPTCHA stated.

"A computer virus or spyware application is
sending us automated requests, and it appears that your computer or network has
been infected.”

It was so not Google-like that I had to double check
the URL to make sure it wasn’t a phishing attempt, it sure wasn’t.

It seemed like an attempt for either

  • DDoS attack Prevention scheme for the loaded and process/memory intensive personalized pages.
  • Large number of requests (same
    outgoing IP for large number of users) from same originating IP automatically
    getting blacklisted.

Providing the Google’s intelligent Bayesian filtering
and intrusion detection algorithms in place, a CAPTCHA attempt looked a bit out
of place to me, or probably it was just me.


CAPTHA is the squiggly characters / security code one
encounters during signups and other online activities to keep bots away. It an acronym
for "completely automated public Turing test to tell computers and humans
apart") and is a type of challenge-response test used in computing to
determine whether or not the user is human.

Blog: Stupid Google
virus/spyware captcha page
Seconds : Fighting Spambots with .NET and AI