Bl ock access to malicious websites that can steal your data , install harmful software or trick you into scams .
Protection behind every click
The internet is part of everyday life: from banking and shopping to learning and staying connected. But not every link or website is safe. CIRA Canadian Shield helps protect you from online threats like phishing, malware, botnets and scams, so you can browse with confidence.
Built with your privacy in mind, Canadian Shield helps reduce online tracking while keeping your data in the Great White North.
Protection that stays ahead
Powered by national and international threat intelligence, Canadian Shield helps detect and block emerging online threats before they reach you.
Peace of mind for the whole family
O ptional adult content filter ing helps create a safer online experience where children can learn, play and explore.
Free, without a catch
As a national not-for-profit, CIRA will never sell your personal data or use it to show you ads. Free means free.
Canadian Shield is funded through Net Good by CIRA , a program that helps make Canada’s internet better, safer and stronger.
Selected by Mozilla for Firefox
CIRA Canadian Shield is the de fault private DNS service for Firefox users in Canad a because it meet s Mozilla’s rigorous standar ds for privacy, security and transparency .
Getting started with Canadian Shield takes just a few minutes.
Getting started with Canadian Shield takes just a few minutes.
Mobile and desktop apps
Download the app on your preferred device, accept the VPN permission and choose the level of protection that’s right for you:
Protected : helps protect against malware, phishing, botnets and online scams.
Family : includes everything in Protected and blocks adult content.
Add the browser extension for visual cues that show whether a website is safe. A green icon means you can browse with confidence. A red icon means access is restricted and a block page is displayed.
For added peace of mind, you can also enable PIN protection to prevent unauthorized changes to your settings.
Explore additional protection options
router configuration
Want to protect every device in your at once? Our router setup guide shows you how to enable Canadian Shield on your network.
Set up protection manually
The app offers the easiest setup, but you can also follow our step-by-step instructions to configure Canadian Shield on all your devices and platforms.
View configuration guide
Have more questions how Canadian Shield works?
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
