How many total DDoS Mitigation Software companies are there?

As of Apr 2026, there are 1,515 active companies in DDoS Mitigation Software sector.

Which countries have the most DDoS Mitigation Software companies?

United Kingdom (1,445) has the highest number of DDoS Mitigation Software companies, followed by United States (39) and Canada (6).

How many DDoS Mitigation Software companies are funded?

As of Apr 2026, 33 companies in this sector have received funding.

Which company has raised the most funding in DDoS Mitigation Software sector?

As of Apr 2026, Blackwall has secured $62.7M in funding, making it the highest-funded company in the DDoS Mitigation Software sector.

Which country has attracted the most investment in DDoS Mitigation Software companies?

With $1.23B in total funding, United States has attracted the most investment among DDoS Mitigation Software companies.

Who are the top investors in DDoS Mitigation Software companies?

The top investors in DDoS Mitigation Software companies by number of investments are Tera Ventures, Expeditions Fund and MMC Ventures

How much venture capital has DDoS Mitigation Software sector attracted?

In the last 10 years, venture capital firms have invested $128M in this sector.

DDoS Mitigation Software - 2026 Market & Investments Trends

Company	Description	Location	Founded	Current Stage	Private Funding Raised
VeriSign	Attack traffic analysis and management based DDoS protection	Mountain View (United States)	1995	Public	-
NetScout	Provider of network performance, observability, cybersecurity, and DDoS solutions	Westford (United States)	1985	Public	$6M
Corero	Provider of DDoS protection for enterprise	Hudson (United States)	1997	Public	$14.5M
MazeBolt	Vulnerability Scanning, DDoS analysis	Ramat Gan (Israel)	2013	Series A	$10M
Reflectiz	Provider of website security and migration solutions	Tel Aviv (Israel)	2016	Series B	$28M

Companies founded year-on-year in DDoS Mitigation Software

36 DDoS Mitigation Software startups were founded in 2025 - this is the most number of startups founded in any year in the last 10 years.

Total Number of Companies

Year	No. of companies
2026	-
2025	36
2024	36
2023	20
2022	8
2021	5
2020	9
2019	5
2018	1
2017	5

Companies founded across countries in DDoS Mitigation Software

United Kingdom has 1,445 DDoS Mitigation Software startups, the most by any country, followed by United States which has 39 startups and Canada which has 6.

Total Number of Companies

Country	No. of companies
United Kingdom	1,445
United States	39
Canada	6
China	5
France	5
Israel	4
Germany	4
United Arab Emirates	2
Russia	2
Lithuania	2

Stage-wise distribution of DDoS Mitigation Software

Out of the total 1,541 DDoS Mitigation Software companies, 33 have secured funding. Among them, 27 have reached Series A or higher, and 25 to Series B or beyond.

Founded - 1,541

Funded - 33

Series A+ - 27

Series B+ - 25

Series C+ - 21

Company Stage	No. of companies
Founded	1,541
Funded	33
Series A+	27
Series B+	25
Series C+	21

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1.5K+ Total Companies
$1.45B+ Total Funding
30+ Funded Companies
5+ IPOs
10+ Acquisitions

Total funding year-on-year in DDoS Mitigation Software

DDoS Mitigation Software saw a total funding of more than $1.37B in the last 10 years. The most amount of funding was in 2018 at more than $1.05B.

Total Funding

Year	Total Funding
2025	$71M
2024	$13.1M
2023	$30.5M
2022	$10M
2021	$1.42M
2020	$5.59M
2019	$162M
2018	$1.05B
2017	$21.7M

Total funding across countries in DDoS Mitigation Software

In the last 10 years, DDoS Mitigation Software startups in United States have recieved the highest funding among all countries - $1.23B. Estonia follows with $62.7M and Israel with $38.1M.

Total Funding

Country	Total Funding
United States	$1.23B
Estonia	$62.7M
Israel	$38.1M
Germany	$29M
France	$5.75M
Czech Republic	$1.53M
Ukraine	$1.42M

Total funding amount raised by stage in DDoS Mitigation Software

Over the last 10 years, DDoS Mitigation Software have seen $3.12M into Seed Stage funding rounds, $134M into Early Stage funding rounds and $30M go into Late Stage funding rounds.

Funding Stage	Total Funding
Debt	$1.01B
Post IPO	$177M
Early Stage	$134M
Late Stage	$30M
ICO	$16.1M
Seed Stage	$3.12M
Grant	$115K

Recent Funding Rounds in DDoS Mitigation Software

In the year 2025, till October 2025, DDoS Mitigation Software companies have raised $71M in equity funding across 2 rounds. In the same period last year (i.e. till March 2024), DDoS Mitigation Software companies had raised $13.1M across 1 round. So, 2025 has seen a 441.17% rise in funding in DDoS Mitigation Software companies as compared to 2024.

Here are some recent, important funding rounds in DDoS Mitigation Software:

Company	Round Raised	Amount Raised	Funding Date	Investors
Reflectiz	Series B	7579	Oct 29, 2025	Fulcrum Equity Partners and 3 more
Blackwall	Series B	6090	Mar 12, 2025	Dawn Capital and 4 more
Blackwall	Series A	8503	Mar 14, 2024	Tera Ventures and 3 more
Link11	Series B	6586	Dec 20, 2023	Pride Capital Partners
Blindspot	Seed	2379	Nov 22, 2023	Presto Ventures and 2 more

See a more detailed list of funding rounds

Tera Ventures is the top investor in DDoS Mitigation Software companies based on number of companies invested.

Here are some top investors in DDoS Mitigation Software:

Investor	Location	Top Portfolio Companies
Tera Ventures	Tallinn (Estonia)	Blackwall
Expeditions Fund	Warsaw (Poland)	Blackwall
MMC Ventures	London (United Kingdom)	Blackwall
Magma Venture Partners	Tel Aviv (Israel)	Sentrix
Kennet Partners	London (United Kingdom)	Prolexic

See a more detailed list of investors

In the year 2022, till February 2022, 1 acquisition happened in DDoS Mitigation Software. Last year, in 2021, a total of 3 acquisitions happened in DDoS Mitigation Software.

Here are some recent, important acquisitions in DDoS Mitigation Software:

Company	Acquisition Type	Acquisition Date	Acquirers
SecurityDAM	Business Acquisition	Feb 28, 2022	Radware
Neustar	Business Acquisition	Sep 13, 2021	TransUnion
SiteLock	Business Acquisition	May 04, 2021	Sectigo
DOSarrest Internet Security	Business Acquisition	Jan 2021	Link11
Acorus Networks	Acqui-Hired	Jul 2019	Volterra

See a more detailed list of acquisitions

Acquisition trends in DDoS Mitigation Software

Here are the acquisition trends in DDoS Mitigation Software:

Total Number of Acquisitions

Year	No. of companies
2026	-
2025	-
2024	-
2023	-
2022	1
2021	3
2020	-
2019	1
2018	1
2017	1

In the year 2018, till January 2018, 1 IPO happened in DDoS Mitigation Software.

Here are some recent, important IPOs in DDoS Mitigation Software:

Company	IPO Date	Exchange Symbol
VeriSign	Jan 18, 2018	London Stock Exchange (LSE)
NSFOCUS	Jan 30, 2014	Shanghai Stock Exchange (SSE)
Neustar	Dec 07, 2005	New York Stock Exchange (NYSE)
Corero	Oct 09, 2000	London Stock Exchange (LSE)
Radware	Sep 30, 1999	National Association of Securities Dealers Automated Quotations (NASDAQ)

See a more detailed list of IPOs

Companies founded by alumni from top colleges in DDoS Mitigation Software

Most number of DDoS Mitigation Software startups have been founded by alumni from BITS Pilani, Carnegie Mellon University and Harvard Business School.

College	No. of companies
BITS Pilani	1
Carnegie Mellon University	1
Harvard Business School	1
Harvard University	1
IIT Delhi	1
Stanford University	1
Technion Israel Institute Technology	1
Tsinghua University	1
University of California (Berkeley)	1

Total funding in companies founded by alumni from top colleges in the DDoS Mitigation Software

In the last 10 years, BITS Pilani and Carnegie Mellon University graduates' DDoS Mitigation Software companies have raised the most funding among top colleges, and Tsinghua University alumni are third.

College	Total Funding
BITS Pilani	$1.01B
Carnegie Mellon University	$1.01B
Tsinghua University	$158M
Technion Israel Institute Technology	$10.1M
IIT Delhi	$10K
Harvard Business School	-
Harvard University	-
Stanford University	-
University of California (Berkeley)	-