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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

0%

of most commonly used scripts change at least weekly

+0

3rd-party scripts on
the average website

Know the dangers of
hijacked scripts

Can rewrite a page
Crypto wallet IDs can simply be changed
'Sign up' can redirect to a different site
Listen in on keystrokes

Featured in

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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
Dashboard preview

Detect 0-day attacks

c/side is crawling many sites to get ahead of new 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. We also use historical context and AI to review the payload and behavior of scripts.

LIVE

1 million scripts processed in last 24h

All scripts get processed by us to continually enhance our detection capabilities. We monitor over 70 attributes and use various AI-driven techniques to review the scripts, making our solution the most advanced detection system in the space to date.

Webflow icon
Woocommerce icon
Shopify icon
Magento icon

Works with your favorite stack

Use c/side on your ecommerce store. Whether you use Shopify, Magento, WooCommerce, Next.js, or virtually any front-end. c/side is available to you.

Latest blog posts

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Why do websites need 3rd party scripts?

When developing a website, you’ll often include libraries to help speed up the development process, and avoid reinventing the wheel. However, there are times where you need to load a script from an external source. Due to recent attacks such as the Polyfill domain takeover , questions have been raised: ...

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c/side joins the PCI Security Standards Council as an Associate Participating Organization

We’re proud to announce that we’ve joined the Payment Card Industry Security Standards Council Security Standards Council (PCI SSC) as an Associate Participating Organization. The PCI SSC leads a global, cross-industry effort to enhance payment security by establishing flexible, industry-driven data security standards. Through collaboration with other industry leaders, the ...

The title of this article on a blue background with the name Carlsberg shining through

Carlsberg a target in Magento “CosmicString” malware attack

The term “Magecart” refers to attacks on the Magento platform. Recently, another large campaign was found to target Magento sites again. Among these, Carlsberg was one of the compromised websites. The pattern of these attacks is almost always the same. A single line of JavaScript loads content from a remote ...

See c/side in Action!

Meet c/side and the team at an event near you!

We're attending Web Summit the entire week with a number of colleagues. And we'll have a booth on the opening day at the startup booth section. Come say hi!

Web Summit

We're attending Web Summit the entire week with a number of colleagues. And we'll have a booth on the opening day at the startup booth section. Come say hi!

Nov 11 12:00 AM - Nov 14 12:00 AM
Learn More
Our founder Simon Wijckmans will be speaking on the founder stage and attending the founder dinners. Let's get in touch to meet with each other!

Slush Helsinki 2024

Our founder Simon Wijckmans will be speaking on the founder stage and attending the founder dinners. Let's get in touch to meet with each other!

Nov 20 12:00 AM - Nov 21 12:00 AM
Learn More
We're attending the BSides London event with a number of colleagues. Let's get in touch to meet with each other!

BSides London

We're attending the BSides London event with a number of colleagues. Let's get in touch to meet with each other!

Dec 14 12:00 AM
Learn More

Get Started Today

Start monitoring and securing 3rd party scripts
on your websites today.