Company profilecastellumlabs.com ↗

Castellum Labs

Castellum Labs is a cybersecurity technology venture founded in 2018 in Hyderabad, India.

Computer and Network Security
Headquarters
Hyderabad, Telangana, IndiaSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
2018Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
377 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Castellum Labs do?

The company uses SaaS platforms, cloud lab infrastructure, and specialized experts to deliver services. Castellum Labs describes its customer relationships as long-term partnerships to co-manage security posture.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

The company’s AppFORT platform supports delivery of DevSecOps-quality application security programs to enterprise customers.

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Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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BADGE PREVIEWCastellum Labs listed #1 on Api security firms, September 26, 2026Open the published source list.
Castellum Labs

#1 Api security firms

Snapshot: September 26, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 13, 2026, September 16, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 21, 2026, September 23, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 30, 2026 and October 10, 2026. How the company lists are built.

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