Turn Off Phishing and Malware Protection warning from Firefox & Chrome Browser

Firefox:
1 - Click the firefox tool menu button and choose Options.
2 - Then Click on the Security Settings.
3 - Remove check mark from the following both settings to deactivate them or check one by one:
Block reported attack sites - this setting protects you from malware sites and files as well as unwanted software. 
Block reported web forgeries - this setting warns you against fraudulent websites that trick you into giving them your personal and financial information.

4 - Close the about:preferences#security page.

Chrome:
1 - Open Chrome Browser.
2 - Click the Chrome menu on upper right corner of the browser.
3 - Click Settings 
4 - Scroll down and click on Show advanced settings.
5 - Under Privacy section, remove the check mark from - Protect you and your device from dangerous sites.

6 - Close the chrome://settings/ page.
7 - All changes you've made will automatically be saved.
8 - Now visit the website, reported web forgery warning disabled in your browser.