Armor Defense

Security OperationsPlano, United Statesfounded 2009acquired by ST Telemedia Cloud

Armor Defense is a cybersecurity company specializing in Security Operations, founded in 2009 and headquartered in Plano, United States. It has raised $149.1M in equity across 7 priced rounds, employs about 203 people, and was acquired by ST Telemedia Cloud in 2023.

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updated Sep 12, 2026

Latest Armor Defense news and company activity

What Armor Defense did, dated — selected moves from the record, one per kind, newest first.

Jul 2026Product launchArmor Launches Sovereign AI: A whole-company AI work platform for regulated industries
Jan 2026PartnershipNERC CIP Compliance in the Cloud: Microsoft + Armor Defense

5 events tracked since Jan 2026 · selected events shownUnlock the complete Armor Defense timeline

Armor Defense Momentum score

27/ 100

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Armor Defense funding

Armor Defense has raised $149.1M in priced equity. Its most recent round was a Series F in April 2017.

Equity raised: $149.1M7 priced rounds
Last round: Series FApr 2017

View the complete funding history

Armor Defense employees and hiring

Armor Defense has about 203 employees, down 1% over the last 30 days, with 6 open roles.

Employees: 203
30-day change: -1%
Open roles: 6

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Armor Defense competitors

Security professionals most often compare Armor Defense against Golf on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.

Golf

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

View the competitive set with overlap scores

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs6 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Security Operations

Common questions about Armor Defense.

How much funding has Armor Defense raised?: Armor Defense has raised $149.1M in priced equity. Its most recent round was a Series F in April 2017.
How many people work at Armor Defense?: Armor Defense has about 203 employees, down 1% over the last 30 days, with 6 open roles.
Who are Armor Defense's competitors?: Security professionals most often compare Armor Defense against Golf on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
What does Armor Defense do?: Armor Defense is a cybersecurity company specializing in Security Operations, founded in 2009 and headquartered in Plano, United States.