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Quad9 and DMARC free cybercrime protection

Find out how to set up free services that stop you from visiting malicious websites and protect you from email fraud for home users and businesses.

Quad9 and DMARC have been set up by the Global Cyber Alliance (GCA). The GCA is a non-profit organisation aimed at tackling cyber crime that has been set up by the New York County District Attorney, City of London Police and the Center for Internet Security. 

What is Quad9

Quad9 is a free security solution that uses DNS to protect your system against the most common cyber threats. It improves your system’s performance, plus, it preserves and protects your privacy. It’s like an immunization for your computer.
Setting up Quad9 requires just a simple change. Most businesses and home users can update in minutes. 

How do to set it up on Windows PC

How to set in up on a Mac PC


In just a few easy steps, you can set up DMARC today to protect your business from email fraud.
GCA has made DMARC setup simple with a free, easy-to-use online setup guide and a DMARC resource kit to help you along.  

GCA Cybersecurity Toolkit

The Global Cyber Alliance (GCA) Cybersecurity Toolkit is specifically designed for small and medium businesses. This free online resource is available worldwide and offers actionable guidance and tools with clear directions to combat the increasing volume of cyberattacks.

Improving your company's cybersecurity doesn't have to be overwhelming or costly. GCA has developed and assembled several tools that you can implement for free and immediately start improving your security: GCA toolkit

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