C/side

Application SecuritySan Francisco, United Statesfounded 2024private

C/side is a cybersecurity company specializing in Application Security, founded in 2024 and headquartered in San Francisco, United States. It has raised $7.7M in equity across 2 priced rounds, employs about 21 people, and is privately held.

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updated Sep 12, 2026

Latest C/side news and company activity

What C/side did, dated — selected moves from the record, one per kind, newest first.

Aug 2026Hiring surgeCside Experiences Significant Headcount Growth

2 events tracked since Aug 2025 · selected events shownUnlock the complete C/side timeline

C/side Momentum score

46/ 100

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C/side products

c/sideClient-side platform securing browser scripts, detecting fraud & ensuring PCI compliance.Details ↗

C/side funding

C/side has raised $7.7M in priced equity. Its most recent round was a Seed in September 2024.

Equity raised: $7.7M2 priced rounds
Last round: SeedSep 2024

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C/side employees and hiring

C/side has about 21 employees, with 2 open roles.

Employees: 21
30-day change: 0%
Open roles: 2

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C/side competitors

Security professionals most often compare C/side against Akamai and Arcjet on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.

by search demand for comparison pages on cybersectools.com, 90 days

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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs2 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Application Security

Common questions about C/side.

How much funding has C/side raised?: C/side has raised $7.7M in priced equity. Its most recent round was a Seed in September 2024.
How many people work at C/side?: C/side has about 21 employees, with 2 open roles.
Who are C/side's competitors?: Security professionals most often compare C/side against Akamai and Arcjet on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
What does C/side do?: C/side is a cybersecurity company specializing in Application Security, founded in 2024 and headquartered in San Francisco, United States.
What products does C/side sell?: C/side sells c/side.