Novacene ↗
A useful frame for thinking about intelligence, systems, and what comes next.
Simon Wijckmans
I build browser-first security products. Founder & CEO at cside. Previously Vercel, Cloudflare, and Microsoft.
Based between San Francisco, London, Lisbon, and wherever the building is happening.
Currently
Founder & CEO at cside — building browser-first security for client-side attacks, fraud, privacy, and compliance gaps.
Writing
How Minecraft raised a generation of engineers
The best infrastructure people I meet all ran something before anyone paid them to.
How to handle hair loss as a male in 2026
What I learned digging into the mechanisms, the medicines, and the market that oversells them.
How Peter R de Vries inspired me
A note on courage, journalism, and the mark he left.
Resume
Founder & CEO, cside
Building browser-first security for client-side attacks, fraud, privacy, and compliance gaps.
Product Lead, Hydra
Senior PM, Vercel
Solution Architect & PM, Cloudflare
Various roles, Microsoft
Recommendations
Press
Security Boulevard — BSidesSF 2026: Web Standard Consortiums Are a Game With Chrome as the Monopoly Man ↗
NewsBytes — cside Privacy Watch: Script Monitoring ↗
Practical Ecommerce — New Ecommerce Tools ↗
Security IT News — AI Agent Detection: cside Targets Emerging Bot Threats from AI Browsers ↗
Retail Tech Podcast — Interview with cside CEO Simon Wijckmans on Client Side Security for Ecommerce and Retail ↗
Help Net Security — cside VPN Detection Enables Control of VPN Traffic to Prevent Fraud and Legal Exposure ↗
Help Net Security — cside Targets Hidden Website Privacy Violations with Privacy Watch ↗
BetaNews — How Attackers Are Weaponizing Open-Source Package Managers [Q&A] ↗
Help Net Security — Session Tokens Give Attackers a Shortcut Around MFA ↗
CRN — Stellar Startup Security Technology Vendors to Know in 2025 ↗
Cybersecurity Insiders — How the npm Trojan Horse Enables Undetectable Client-Side Attacks ↗
HackerNoon — c/side CEO and Co-founder Simon Wijckmans on The Importance of Browser-side Security ↗
The Hacker News — 3,500 Websites Hijacked to Secretly Mine Crypto Using Stealth JavaScript and WebSocket Tactics ↗
Bleeping Computer — CoinMarketCap Briefly Hacked to Drain Crypto Wallets via Fake Web3 Popup ↗
WIRED — North Korea Stole Your Job ↗
Forbes — Europe 30 Under 30 ↗
TechCrunch — Hackers Are Hijacking WordPress Sites to Push Windows and Mac Malware ↗
Software Engineering Radio — Simon Wijckmans on Third-Party Browser Script Security ↗
SecurityWeek — C/side Raises $6 Million to Secure the Browser Supply Chain ↗
TechCrunch — Startup Battlefield ↗
The Register — If You're Using Polyfill Code on Your Site, Remove it Immediately ↗