You are using AdSense account for monetizing your sit but suddenly you have seen that your account has been disabled. But you didn’t break any terms and condition of Google AdSense. So you may think why Google AdSense has disabled your account?
The main reason is unauthorized use of your Google AdSense ads. Google AdSense ad is a simplified platform where you can display ads in any website and Blog if it comply with Google AdSense terms and services. Suppose you got AdSense approval from one site but you have some other blog site. So you will able to display ads on others site. Interestingly you would able to display ads in maximum 500 sites at a time. But the problem is if AdSense team found that your site is not comply with AdSense rules and regulation then simply they will disable your AdSense account without any prior notification. So you must be conscious about this.
This is one fact and another fact is if somehow anyone using your AdSense account by hacking or got any ad unit code and using in unauthorized site then there are a great chances to disable your account. This can be happen by your rival blogger.
So if you noticed that you are generating income from any unknown site then you must check that site and confirm the publication ID. But you can say how you will notices. This is very simple you can see it from your AdSense dashboard.
Why to authorize a site to display AdSense ads?
AdSense site authorization is an optional feature. This is simple but very useful feature. This will help you to identify your owned sites as the only sites that are permitted to use your Google ad code. But if you're particularly concerned about malicious use of your ad code by others, you might use this feature as a precaution.
If you’ve noticed a site listed in your reporting that you do not manage, that may indicate that your ad code has been placed on that site without your authorization. If you're concerned about malicious use of your ad code by others (for example your ad code being placed on sites with non-family safe content), you may wish to use site authorization, an optional feature that allows you to identify only specific sites that are permitted to use your ad code, as a precaution.
How to authorize a site to display AdSense ads?
To enable site authorization follow the below steps carefully-
Step 1 Sing in to your AdSense account and Click the gear icon from top right corner of the screen and select Settings.
Step 2 From the left sidebar, click Site management.
Step 3 Select the Owned tab and Enter the URL of the sites that you want to authorize and click on red color ADD SITE button. Then click Save.
Step 4 Now from right side of the screen you will find an option that Only my owned sites are authorized to use my ad code checkbox, so click on it.
Remember that your changes will take effect within 48 hours. Now your AdSense account is safe from unauthorized used. Note that once the feature is enabled, if you don't add a site to the authorized sites list, and you place your ad code on it, ads will continue to appear on the site but you won't earn from them. Please enable this feature with caution to avoid missing out on valid revenue.