What is c/side?
Effectively tracking third-party scripts removes ambiguity, guaranteeing that you remain informed about what is sent to your users' browsers, while also boosting script efficiency by as much as 30%. The uncontrolled existence of these scripts within users' browsers can lead to major complications when issues arise, resulting in negative publicity, possible legal repercussions, and claims for damages due to security violations. Organizations that manage cardholder information must adhere to PCI DSS 4.0 requirements, specifically sections 6.4.3 and 11.6.1, which mandate the implementation of tamper-detection mechanisms by March 31, 2025, to avert attacks by alerting relevant parties of unauthorized changes to HTTP headers and payment details. c/side is distinguished as the only fully autonomous detection system focused on assessing third-party scripts, moving past a mere reliance on threat intelligence feeds or easily circumvented detection methods. Utilizing historical data and advanced artificial intelligence, c/side thoroughly evaluates the payloads and behaviors of scripts, taking a proactive approach to counter new threats. Our ongoing surveillance of numerous websites enables us to remain ahead of emerging attack methods, as we analyze all scripts to improve and strengthen our detection systems continually. This all-encompassing strategy not only protects your digital landscape but also cultivates increased assurance in the security of third-party integrations, fostering a safer online experience for users. Ultimately, embracing such robust monitoring practices can significantly enhance both the performance and security of web applications.
Pricing
Product Details
Product Details
c/side Categories and Features
Website Security Software
VikingCloud reported that the c/side platform successfully detected and halted the third-party script in real time to safeguard against data breaches.
PCI Compliance Software
You offer capabilities for immediate payload analysis, automatic prevention measures, comprehensive historical data storage, and ready-to-use reports for auditors that align seamlessly with the testing standards outlined in PCI DSS 4.0.1.
IT Security Software
Combat Magecart, formjacking, token theft, cryptojacking, and various other threats! Utilizing a proxy-based framework, a proxy is strategically positioned between the third-party scripts and the user's browser, enabling it to monitor the code that is retrieved by the user's browser. The client-side proxy ensures constant, comprehensive visibility and oversight of all third-party scripts running in the user's browser, maintaining this level of surveillance 100% of the time without any sampling.
GDPR Compliance Software
The proxy and crawler systems solely retain the requester's IP address for the purpose of incident analysis; this information is not sold or utilized for marketing purposes. All data collected by the proxy and crawler is securely stored within c/side-managed clusters located on AWS.
Compliance Software
An independent evaluation from VikingCloud verifies that when set up correctly, both the hybrid proxy and crawler modes effectively meet the specified criteria by persistently hashing, analyzing, and, when needed, blocking scripts in real time. The c/side platform features a specialized PCI DSS dashboard that provides detailed insights related to requirements 6.4.3 and 11.6.1.
Client-Side Protection Platform
Achieving complete session coverage, our system employs DOM-level comparison and detects threats based on specific conditions such as geographic location, time, or user grouping. The client-side component intercepts every request made to third-party sources, retrieves the corresponding JavaScript, and analyzes it in real-time. This proactive approach ensures that any harmful code is prevented from executing within the browser environment.
Bot Detection and Mitigation Software
c/side is an innovative client-side security platform crafted to shield digital enterprises from the escalating risks posed by browser-related attacks. In contrast to conventional security measures that depend primarily on threat intelligence feeds, c/side utilizes a fully autonomous detection mechanism that leverages historical data and artificial intelligence to scrutinize the behavior and content of third-party scripts. This forward-thinking strategy enables c/side to recognize and neutralize potential threats before they can impact your users, providing strong defense against zero-day exploits and supply chain vulnerabilities. With its distinctive proxy solution, c/side delivers unmatched protection for client-side applications, establishing itself as a crucial asset for any organization intent on fortifying their online presence.
Artificial Intelligence Software
The c/side AI system identified that the altered script displayed characteristics typical of a keylogger and subsequently marked it as harmful. Users have the option to examine the script and, if needed, prevent access by blocking the associated hash values.
AI Security Software
The detection system operates on an open-source large language model that functions exclusively within a self-managed setting.
c/side Customer Reviews
Write a Review-
Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Great tool for security and PCI DSS compliance
Updated: Jun 10 2025SummaryOverall it's a great tool that not only makes compliance very easy but also provides the highest level of security in the market.
PositiveProxy solution that checks every scripts instead of a sample of scripts.
Very organized dashboards and reports that make PCI compliance very easy.
Very easy to implement.NegativeSometimes it takes a couple seconds to load, nothing major though.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Gives us needed visibility into client-side activity
Date: Jun 10 2025SummaryOverall, c/side has been incredibly valuable for finally seeing what third-party scripts are doing on our site. This clear insight helps us catch problems and coordinate better. The interface could be more intuitive, but the visibility it provides is a huge win for our security.
PositiveIt helps us understand what third-party scripts are actually doing on our site, which used to be pretty opaque. Instead of relying on assumptions or manual checks, we can now see script behavior clearly, which has helped us spot issues we wouldn’t have caught otherwise. It’s also been helpful when coordinating with teams during incidents.
NegativeSome parts of the interface aren’t immediately intuitive. It took a bit of trial and error to get familiar with the different views and how to filter the data effectively. Also, it would be helpful to have more built-in guidance or examples for interpreting script behavior.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Essential Tool for Modern Web Security
Date: Jun 27 2025SummaryIntegration was seamless, and the support team is responsive and knowledgeable.
Positivec/side offers real-time monitoring and protection against third-party script threats, ensuring our website remains secure. Its analysis and comprehensive dashboard provide clear insights, making compliance with standards like PCI DSS straightforward.
NegativeWhile the platform is robust, there’s room for more integrations with niche platforms. However, the team appears proactive in expanding capabilities.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Great Solution
Date: Jul 16 2025SummaryEngagement to poc the solution was easy. The team that assisted us are smart, know the product well, and provided us with everything we needed to work through our set up and integration. Pushing through to our production environment was easy and once we had data, the implementation team were great explaining everything and walking us through the solution. Enhancements to the solution during the integration and deployment did not affect our timeline. Everything went smoothly.
PositiveEase of integration into our pages. Support is responsive and worked through all of our implementation and post implementation items. Great group of people to work with.
Negativethe SSO integration could use some polishing, but support was helpful and knowledgeable to get integration with my SSO solution worked out.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Great security solution with great usability
Date: Jul 24 2025SummaryOverall, this is a really great platform and so is the team, it's clear they really want to solve the problem of insecure/malicious third party scripts on the web. Would recommend giving it a try for sure.
PositiveThis might be the best client-side security solution out there, this platform makes it super easy to make sure your site is secure. It shows you what actual scripts are running on your site, automatically flags and blocks malicious ones, and keeps track of all script history so you can see how they've changed between versions. It was pretty quick to set up, they make PCI compliance really easy, and their support is top-tier. Not much to dislike!
NegativeThe dashboard took a little bit of exploring to figure out where a lot of the information was. Some of their useful features are a bit buried, but their team was a great in helping me find what I needed.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Insane quality
Date: Apr 01 2025SummaryReally cool product with a young team that jumped on a few calls when we wanted extra information or had questions. Recommended!
PositiveWe needed a product like this for our PCI compliance (now needed for client-side monitoring and stuff). We found they had a free tier and after trying it and talking to their team we pulled the trigger. Super easy installation, dashboard looks perfect and just works. Pretty happy customer thus far!
NegativeThe free tier puts you on a waitlist. Our access got granted within the hour but would be nice if you have immediate access. Probably for quality control so I understand.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
I feel safe!
Date: Jul 24 2025SummaryAt first, I was worried that running everything through a proxy might slow things down or break something, but honestly, performance hasn’t taken a hit at all—in fact, some things actually load faster. What really stood out was how much safer we felt once it was up and running—we could finally see what was changing on our site, block risky behavior, and stay compliant without having to micromanage every vendor. It’s one of those tools that gives you peace of mind in the background while letting you stay focused on building.
PositiveI think that the compliance tools for regulations are very well integrated, and the dashboard shows script changes with helpful AI explanations and options. I also appreciate the responsive support and seamless Slack/Teams alerts, plus easy setup which did not take long.
NegativeThe only con I would say is that it's hard to understand the dashboard at first, if you are non technical.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Exelent tool for security insights
Date: Jun 10 2025SummaryGreat tool, would definitely recommend. Never thought a security tool could give me so many insights.
Positive- Great way of visualizing security related insights
- They are releasing new updates at a fast pace
- Installation was super easyNegative- Took me a while before I realized what they all had to offer.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Finally I get what the marketing people add to my site
Date: Jul 24 2025SummaryCSide has been a game-changer for understanding what's actually happening on our website. As someone who needs to keep track of all the scripts and tracking codes that get added by our marketing team, this tool is invaluable.
PositiveClear visibility into code per site and per page
Can examine script contents and functionality
Shows data transmission and DOM manipulation clearly
Great for auditing website scripts and tracking
The developers are responsive to feedback - when I mentioned the data overload issue, they shared their new dashboard design that should address this concern.NegativeCan feel overwhelming with large websites due to the amount of data
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