Block cyber threats before they reach you
Free, no sign-up. Protect every device you use, at home, at work, or on the go.
Free, no sign-up. Protect every device you use, at home, at work, or on the go.


Digital and AI literacy is our mission, and safe internet use is part of that. That's why we're highlighting Canadian Shield, a free security tool created by CIRA.
Canadian Shield is a free security tool that blocks known threats, malware, phishing, and dangerous websites, before they ever load. It works quietly in the background, checking where you're headed online and stopping the connection if it's known to be dangerous.
Choose your protection level:
Blocks malware, phishing, and other malicious websites.
Everything in Protected, plus blocks adult content.
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Yes, completely, no trial, no subscription, no catch.
No sign-up required.
Most people are set up in less than 5 minutes.
Canadian Shield is built for a low false-positive rate, and blocked domains can be reported for review.
Yes. Settings can be reverted or changed at any time, switching between protection levels or turning Canadian Shield off is as simple as updating your network settings again.
Visit cira.ca/en/canadian-shield/support/ for help.
CIRA is the national not-for-profit best known for managing the .CA domain on behalf of all Canadians. As a leader in Canada's internet ecosystem, CIRA offers a wide range of products, programs and services designed to make the internet a secure and accessible space for all.
Recognized as a leader in digital and AI literacy education in Canada, Digital Moment is a national charity dedicated to mobilizing communities to create a better future aligned with sustainable development goals. Since 2013, we have empowered over 1 million youth engagements and 35,000 educators.