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§ Private Profile · San Francisco, CA, USA
tCell is a technology company.
tCell develops advanced software solutions for web application security. Its core product, a next-generation web application firewall (WAF) for cloud environments, addresses the limitations of traditional WAFs. The technology provides real-time attack detection and prevention, offering robust protection against sophisticated attacks, bots, and fraud targeting applications, APIs, and microservices.
tCell was co-founded in 2014 by Boris Chen and Michael Feiertag. The founders identified a critical need for application security adapted to modern cloud architectures. Their insight moved beyond conventional perimeter defenses, focusing on providing applications with built-in, real-time protection against evolving cyber threats.
tCell serves businesses operating web applications, APIs, and microservices, providing a proactive defense posture. The company's vision enables organizations to secure applications directly at the runtime level. This approach facilitates continuous monitoring and immediate threat response, safeguarding critical digital assets in a complex, evolving threat landscape.
tCell has raised $9.0M across 1 funding round.
tCell has raised $9.0M in total across 1 funding round.
tCell has raised $9.0M across 1 funding round. Most recently, it raised $9.0M Series A in October 2016.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Oct 1, 2016 | $9M Series A | — | 8090 Industries, B Capital Group, Eniac Ventures, HOF Capital, Menlo Ventures, Operator Collective, Social Capital, Square PEG Capital, Team8, Tiger Global Management, BEN Barokas, BEN Lilienthal, Eytan Elbaz, Liat Aaronson, Yuval Shahar, A Capital, Allegis Capital, CrunchFund, Mark Siegel, SV Angel, Webb Investment Network | Announced |
tCell has raised $9.0M in total across 1 funding round.
tCell's investors include 8090 Industries, B Capital Group, ENIAC Ventures, HOF Capital, Menlo Ventures, Operator Collective, Social Capital, Square Peg Capital, Team8, Tiger Global Management, Ben Barokas, Ben Lilienthal.
tCell refers to multiple entities across search results, with the most prominent being a cybersecurity company (tcell.io) providing application security platforms. It builds runtime application security protection (RASP) technology that offers visibility into app behavior, reduces false positives, and shields applications from attacks, serving enterprises and developers in need of modern app protection.[3] This solves the problem of traditional security tools generating excessive alerts and failing to catch sophisticated threats in cloud-native environments. Other matches include Tcell, a major mobile telecom operator in Tajikistan offering GSM to 5G services (market leader owned by AKFED),[1] TCell Clinical Services (a CRO delivering tech-enabled clinical trial solutions for pharma),[2] and minor hardware firms like Tcell Technology Co. Ltd. (USB drives and PCBA in Taiwan).[4][5] Given the query's "technology company" framing and tech ecosystem context, this analysis focuses on tcell.io as the primary match, a portfolio-style startup in appsec.
The company targets a growing market for automated, precise app security amid rising cloud adoption, with momentum from its innovative approach though limited public growth metrics are available from results.[3]
tcell.io emerged in the mid-2010s San Francisco tech scene, positioning itself as a Built In SF company with roots in addressing gaps in application security.[3] Specific founders or exact founding year aren't detailed in results, but its development aligns with the post-2015 surge in RASP and API security startups, likely spurred by founders' experiences in software security challenges during cloud migrations. Early traction centered on its core tech for behavioral analysis, differentiating from signature-based tools; no pivotal funding rounds or acquisitions are noted here, but its listing on tech job boards suggests operational scaling.[3]
tcell.io stands out in the crowded appsec space through these key strengths:
No strong community ecosystem details emerge, but its tech-first model appeals to engineering teams.
tcell.io rides the cloud-native security wave, fueled by DevSecOps trends where apps deploy faster than traditional security can adapt. Timing is ideal post-2020, with API explosions and supply chain attacks (e.g., SolarWinds) amplifying demand for runtime protections.[3] Market forces like zero-trust mandates and 5G/edge computing favor its lightweight approach, influencing the ecosystem by pushing competitors toward behavioral models over static scanning. It contributes to SF's appsec cluster, enabling safer microservices adoption amid regulatory pressures like GDPR and rising ransomware.
tcell.io is poised for expansion in automated appsec as AI-driven threats evolve, potentially via partnerships with cloud giants or acquisition by players like CrowdStrike. Trends like composable security and GitOps will shape its path, amplifying influence if it scales its visibility tech to GenAI apps. Watch for momentum in reducing alert fatigue—tying back to its core promise of smarter protection in a noisy threat landscape.[3]