NTT Security
Japan
Valuation
$4B
2021 Revenue
$1.3B
Customers
8.8K
Funding
$0
Avg ACV
$153.3K
Team
18.4K
Founded
1988
NTT Security Revenue & Valuation (2021)
NTT Security is the specialized security company of NTT Group. With embedded security we enable Group companies Dimension Data, NTT Communications and NTT DATA to deliver resilient business solutions for clients digital transformation needs. NTT Security has 10 SOCs, seven R&D centers, over 1,500 security experts and handles hundreds of thousands of security incidents annually across six continents.
NTT Security ensures that resources are used effectively by delivering the right mix of consulting and managed services for NTT Group companies making best use of local resources and leveraging our global capabilities. NTT Security is part of the NTT Group Nippon Telegraph and Telephone Corporation, one of the largest ICT companies in the world. Visit nttsecurity.com to learn more.
Last updated
NTT Security Revenue
In 2021, NTT Security's revenue reached $1.3B. Since its launch in 1988, NTT Security has shown consistent revenue growth.
| Year | Milestone | Source |
|---|---|---|
| 2021 | NTT Security Hit $1.3b revenue in April 2021 | |
| 1988 | Launched with $0 revenue |
NTT Security Valuation, Funding Rounds
NTT Security reached a $4B valuation in 2025, set during its M&A Offer round.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2025 | M&A Offer | - | $4B | - |
Founder / CEO
Q&A
| Question | Answer |
|---|---|
| What's your age? | - |
| Favorite online tool? | - |
| Favorite book? | - |
| Favorite CEO? | - |
| Advice for 20 year old self | - |
Customers
NTT Security serves 8.8K customers.
NTT Security Employees & Team Size
NTT Security employs approximately 18.4K people as of 2026. It serves 8.8K customers that rely on its solutions.
| Year | Milestone | Source |
|---|---|---|
| 2021 | Reached 18.4K employees (April 2021) |
Frequently Asked Questions about NTT Security
What is NTT Security's revenue?
NTT Security generates $1.3B in revenue.
Who founded NTT Security?
NTT Security was founded by Abhijit Dubey.
Who is the CEO of NTT Security?
The CEO of NTT Security is Abhijit Dubey.
How much funding does NTT Security have?
NTT Security raised $0.
How many employees does NTT Security have?
NTT Security has 18.4K employees.
Where is NTT Security headquarters?
NTT Security is headquartered in Japan.
Compare NTT Security to the industry
NTT Security operates across multiple industries. Browse revenue, funding, and growth data for NTT Security in each sector below.
Data and Sources
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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