CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a type of security measure known as challenge-response authentication. CAPTCHA helps protect you from spam and password decryption by asking you to complete a simple test that proves you are human and not a computer trying to break into a password protected account.
A CAPTCHA test is made up of two simple parts: a randomly generated sequence of letters and/or numbers that appear as a distorted image, and a text box. To pass a the test and prove your human identity, simply type the characters you see in the image into the text box.
Google is committed to keeping your information safe and secure. CAPTCHA offers protection from remote digital entry by making sure only a human being with the right password can access your account. CAPTCHA works because computers can create a distorted image and process a response, but they can't read or solve the problem the way a human must to pass the test.
Many web services, including Google, use CAPTCHA to help prevent unauthorized account entry. You may also see CAPTCHA on other sites that provide access to sensitive information, such as bank or credit card accounts.
When does Google use CAPTCHA?
Google uses CAPTCHA to strengthen the security around the most sensitive account access points. You may see a CAPTCHA when you:
Sign up for a new Google service (Gmail, Blogger, YouTube)
Sign up for any edition of a Google Workspace Account
Change a password on an existing account
Setup Google services for a third party device or application (such as iPhone , Outlook, ActiveSync, etc.)
I am having difficulty viewing a CAPTCHA image. What can I do?
If you can’t see a CAPTCHA image or are having trouble reading the text, refresh your browser for a new image.
Although CAPTCHAs normally rely on images, audio versions are available for the visually impaired. To access an audio version, click the link that appears near the text box as the International Symbol of Access image (the wheel-chair icon). The alternate text for this image is, “Listen and then type the numbers you hear.” CAPTCHA is not supported for the deaf-blind community.
CAPTCHA offers protection from remote digital entry by making sure only a human being with the right password can access your account. CAPTCHA works because computers can create a distorted image and process a response, but they can't read or solve the problem the way a human must to pass the test.
That means it's a browser issue, that is your browser is not sending enough important data to tell the system it's a legit user. Instead the system think it's a bot or spam to try to stop you with captcha.
Your computer could be infected and be attacking other computers and websites without your knowledge. This is rare but possible. Make sure your antivirus is up to date and your computer is malware-free.
VPN or Proxy Services can trigger an 'Unusual Traffic' error on Google Search due to flagged IP addresses. VPNs reroute traffic through encrypted servers, potentially causing Google to misinterpret your connection as automated. To resolve Google's persistent Image Captcha requests, disable your VPN or Proxy services.
Google explains that a CAPTCHA can be triggered by automated processes sometimes caused by worms, proxy search traffic going through infected computers or DSL routers, or from some SEO ranking tools.
You might get the "unusual traffic" error message when using a public Wi-Fi—because many other people are likely connected to the same network and searching Google, the software might flag the requests as automated. This can also happen when several people are using your home network at the same time.
Google has explained it by saying that CAPTCHA can be triggered by an automated process sometimes caused by spambots, infected computers, email worms, or SEO tools. You simply need to verify it by entering the characters or clicking the correct image, and you are done.
"This page appears when Google automatically detects requests coming from your computer network which appear to be in violation of the Terms of Service. The block will expire shortly after those requests have stopped. In the meantime, solving the above CAPTCHA will let you to continue to use our services.
This message is usually due to a temporary network issue and can be resolved by refreshing your browser. It also might be caused due to accessing the offering through a virtual network.
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