Monitoring, Securing, Optimizing 3rd party scripts
Keeping track of 3rd party scripts, taking away obscurity
How c/side makes the difference
You'll know what gets delivered to your user's browser 100% of the time, and we'll make the scripts up to 30% faster.
3rd party scripts are a major risk
3rd party scripts have unlimited reign in the browser of your users. When it goes wrong, it goes really wrong.
Negative press, potential lawsuits, and damage claims following a security incident.
You don't know what the user gets in their browser
of most commonly used scripts change at least weekly
3rd-party scripts on
the average website
Know the dangers of
hijacked scripts
Featured in
It's Time to Take Action
PCI DSS 4.0 (specifically 6.4.3 and 11.6.1) mandates entities handling card data to implement tamper-detection mechanisms by March 31st, 2025. This aims to mitigate Magecart attacks by alerting on unauthorized changes to HTTP headers and payment content.
The value we add
How we're different
- Real time flow-through monitoring
- No sampling, we cover 100%
- Caching scripts, making them faster
- Detection mechanisms that actually work
- Using AI to make findings easily understandable
Detect 0-day attacks
C/side is the only fully autonomous detection tool for assessing 3rd party scripts. We do not rely purely on threat feed intel or easy to circumvent detections. Using historical context and AI to review the payload and behaviour of scripts.
1 million scripts processed in last 24h
C/side is crawling many sites to get ahead of new attacks. All scripts get processed by us and we improve our detection methods. We monitor over 70 attributes and on top using various AI detection mechanisms to review the scripts. Making our solution the most advanced detection mechanism in the space to date.
Works with your favorite stack
Use c/side on your ecommerce store. Whether you use Shopify, Magento, Woocommerce or built a Next.js or virtually any front-end. C/side is available to you.
Latest blog posts
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The Polyfill attack explained
Recently over 490,000 websites were targeted in a web supply chain attack. We were amongst the first to report on this . NOTE: If a website is referencing the domains polyfill[.]io bootcss[.]com bootcdn[.]net or staticfile[.]org today, they are still open to this attack. What was the Polyfill service project? Polyfill ...
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What is the browser supply chain?
C/side is a cyber security product that lives in the browser supply chain space. We and other vendors operating here, like to talk about that supply chain . But what do we mean by it exactly? The browser supply chain is the different components and processes that come together to ...
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More than 490k websites targeted in web supply chain attack
The cdn.polyfill.io domain is currently being used in a web supply chain attack. It used to host a service for adding JavaScript polyfills to websites, but is now inserting malicious code in scripts served to end-users.