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cside joins the W3C

We're incredibly proud to announce we have joined the W3C Web Application Security Working Group. The mission of the Web Application Security Working Group is to develop mechanisms and best practices to improve the security of web applications. Our whole team has been involved in cybersecurity for years. Through cside, we now aim to raise awareness and set higher standards for client-side security. By joining forces, we are one step closer to achieving both of our goals. We want to publicly t

Oct 04, 2024 Updated Dec 17, 2025 2 min read
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Table of Contents

TL;DR: cside joins the W3C

  • What happened: cside joined the W3C Web Application Security Working Group, whose mission is to develop mechanisms and best practices that improve web application security.
  • Why it matters: It puts cside alongside the experts, companies and research institutions setting the standards that client-side security is measured against, rather than only consuming them.
  • Open to all: The working group's calendar, including past meetings, is publicly available.

Short on time? See cside client-side security. It is the product behind this announcement.

We're incredibly proud to announce we have joined the W3C Web Application Security Working Group.

The mission of the Web Application Security Working Group is to develop mechanisms and best practices to improve the security of web applications. Our whole team has been involved in cybersecurity for years. Through cside, we now aim to raise awareness and set higher standards for client-side security.

By joining forces, we are one step closer to achieving both of our goals. We want to publicly thank the W3C for inviting us to join their working group, which is composed of various experts, companies, and research institutions dedicated to improving web security.

It's an honor to be recognized among this group, which we can now call our peers.

The calendar, including past meetings, is publicly available for all to learn from.

Simon Wijckmans
Founder & CEO

Founder and CEO of cside. Previously a product manager on Cloudflare Page Shield (now Cloudflare Client-Side Security). Co-chair of the W3C Anti-Fraud Community Group and a Forbes 30 Under 30 honoree. Building accessible security against client-side attacks, web security is not an enterprise-only problem.

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