Company
c/side
Protecting your website from script attacks, AI agents, account takeover & fraud, and automating PCI DSS 4.0.1 compliance
Also known as Client-Side Development, Inc., cside
- Status
- Operatingas of 2026-09-17
- Business model
- B2B
- Customers
- businesses
- Legal name
- Client-Side Development, Inc.
- cside.dev (opens in a new tab)
- LinkedIn (opens in a new tab)
- X (opens in a new tab)
- Careers (opens in a new tab)
Record updated 28 September 2026
About
cside is a client-side security platform that detects script attacks, AI agents, account takeover, and fraud at the browser layer, and automates PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1.
Funding snapshot
- Total raised
- $7.7MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
- Latest round
- Round, $7.7M2024-07-15
Funding rounds
- Round, 2024
- $7.7M2024-07-15, SEC form D sold, 33 investors
Products
- Web
- cside