About Website Security Software
The Website Security Software comprises 2.31K companies, including 183 funded companies having collectively raised $5.17B in venture capital money and private equity. Out of these, 128 are Series A+ funded, and 1 has achieved unicorn status.
Website Security Software sector has seen 89 acquisitions and 15 IPOs. This represents almost 4.5% of all such companies - which is higher than the 4.0% exit rate of tech companies in general.
This sector includes companies that provide security of websites and web services from an internet wide attack.
Website Security Software sector is also known as Website Defense or Web Security Solutions.
Top Companies in Website Security Software
There are more than 2.31K companies in Website Security Software. CloudFlare is the top Website Security Software company globally, ranked using Tracxn Score (what's this?).
Here are 5 of the top Website Security Software companies globally:
Company | Description | Location | Founded | Current Stage | Private Funding Raised |
|---|---|---|---|---|---|
Provider of cloud services for security, performance, and application development | San Francisco (United States) | 2009 | Public | $332M | |
Provider of network performance, observability, cybersecurity, and DDoS solutions | Westford (United States) | 1985 | Public | $6M | |
Provider of digital signature certificates, PKI, and e-signature solutions | Bengaluru (India) | 2008 | Public | $26.2M | |
Attack traffic analysis and management based DDoS protection | Mountain View (United States) | 1995 | Public | - | |
Provider of DDoS protection for enterprise | Hudson (United States) | 1997 | Public | $14.5M |
Companies founded year-on-year in Website Security Software
25 new startups have been founded so far in 2026 in Website Security Software. 63 Website Security Software startups were founded in 2020 - 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 | 25 |
2025 | 60 |
2024 | 62 |
2023 | 43 |
2022 | 33 |
2021 | 20 |
2020 | 63 |
2019 | 45 |
2018 | 38 |
2017 | 41 |
Companies founded across countries in Website Security Software
United Kingdom has 1,544 Website Security Software startups, the most by any country, followed by United States which has 242 startups and India which has 48.
- Total Number of Companies
Country | No. of companies |
|---|---|
United Kingdom | 1,544 |
United States | 242 |
India | 48 |
Israel | 35 |
France | 30 |
Germany | 30 |
China | 29 |
Canada | 28 |
Spain | 13 |
Russia | 12 |
Stage-wise distribution of Website Security Software
Out of the total 2,309 Website Security Software companies, 183 have secured funding. Among them, 128 have reached Series A or higher, and 112 to Series B or beyond.
Founded - 2,309
Funded - 183
Series A+ - 128
Series B+ - 112
Series C+ - 106
Company Stage | No. of companies |
|---|---|
Founded | 2,309 |
Funded | 183 |
Series A+ | 128 |
Series B+ | 112 |
Series C+ | 106 |
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- 2.3K+ Total Companies
- $5.17B+ Total Funding
- 180+ Funded Companies
- 10+ IPOs
- 85+ Acquisitions
Funding Trends in Website Security Software
Total funding year-on-year in Website Security Software
Website Security Software saw a total funding of more than $4.4B in the last 10 years. The most amount of funding was in 2021 at more than $1.34B. There has been a total funding of $35.5M in 2026 till date.
- Total Funding
Year | Total Funding |
|---|---|
2026 | $35.5M |
2025 | $87.7M |
2024 | $36.5M |
2023 | $170M |
2022 | $122M |
2021 | $1.34B |
2020 | $596M |
2019 | $427M |
2018 | $1.24B |
2017 | $347M |
Total funding across countries in Website Security Software
In the last 10 years, Website Security Software startups in United States have recieved the highest funding among all countries - $3.58B. Israel follows with $129M and France with $98.6M.
- Total Funding
Country | Total Funding |
|---|---|
United States | $3.58B |
Israel | $129M |
France | $98.6M |
Estonia | $72.6M |
United Kingdom | $50.1M |
China | $39M |
Germany | $29M |
India | $26.2M |
Canada | $13.5M |
Italy | $1.17M |
Total funding amount raised by stage in Website Security Software
Over the last 10 years, Website Security Software have seen $48.4M into Seed Stage funding rounds, $480M into Early Stage funding rounds and $394M go into Late Stage funding rounds.
Funding Stage | Total Funding |
|---|---|
Post IPO | $2.11B |
Debt | $1.01B |
Early Stage | $480M |
Late Stage | $394M |
Seed Stage | $48.4M |
ICO | $16.1M |
Grant | $6.67M |
Recent Funding Rounds in Website Security Software
In the year 2026, till September 2026, Website Security Software companies have raised $35.5M in equity funding across 4 rounds.
In the same period last year (i.e. till March 2025), Website Security Software companies had raised $49M across 1 round.
So, 2026 has seen a 27.59% drop in funding in Website Security Software companies as compared to 2025.
Here are some recent, important funding rounds in Website Security Software:
Company | Round Raised | Amount Raised | Funding Date | Investors |
|---|---|---|---|---|
Series A | 2723 | Sep 02, 2026 | and 7 more | |
Series A | 8468 | Jul 13, 2026 | ||
Seed | 6386 | Mar 30, 2026 | ||
Seed | 5015 | Jan 01, 2026 | ||
Series A | 5313 | Dec 09, 2025 |
Top Investors in Website Security Software
Kleiner Perkins is the top investor in Website Security Software companies based on number of companies invested.
Here are some top investors in Website Security Software:
Investor | Location | Top Portfolio Companies |
|---|---|---|
Menlo Park (United States) | ||
Palo Alto (United States) | ||
New York City (United States) | ||
Palo Alto (United States) |
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M&A activity in Website Security Software
In the year 2025, till May 2025, 1 acquisition happened in Website Security Software. Last year, in 2024, a total of 4 acquisitions happened in Website Security Software.
Here are some recent, important acquisitions in Website Security Software:
Company | Acquisition Type | Acquisition Date | Acquirers |
|---|---|---|---|
Business Acquisition | May 06, 2025 | ||
Business Acquisition | Nov 12, 2024 | ||
Business Acquisition | Apr 10, 2024 | ||
Business Acquisition | Jan 30, 2024 | ||
Business Acquisition | Jan 11, 2024 |
Acquisition trends in Website Security Software
Here are the acquisition trends in Website Security Software:
- Total Number of Acquisitions
Year | No. of companies |
|---|---|
2026 | - |
2025 | 1 |
2024 | 4 |
2023 | 1 |
2022 | 5 |
2021 | 4 |
2020 | 6 |
2019 | 14 |
2018 | 4 |
2017 | 8 |
IPOs in Website Security Software
In the year 2022, till June 2022, 1 IPO happened in Website Security Software.
Here are some recent, important IPOs in Website Security Software:
Company | IPO Date | Exchange Symbol |
|---|---|---|
Jun 01, 2022 | National Stock Exchange (NSE), Bombay Stock Exchange (BSE) | |
Sep 13, 2019 | New York Stock Exchange (NYSE) | |
Jan 18, 2018 | London Stock Exchange (LSE) | |
Jan 30, 2014 | Shanghai Stock Exchange (SSE) | |
Aug 01, 2013 | Korea Exchange (KRX) |
Colleges which produce the most Website Security Software companies
Companies founded by alumni from top colleges in Website Security Software
Most number of Website Security Software startups have been founded by alumni from Harvard Business School, Massachusetts Institute of Technology and Tel Aviv University.
College | No. of companies |
|---|---|
Harvard Business School | 4 |
Massachusetts Institute of Technology | 4 |
Tel Aviv University | 4 |
Harvard University | 3 |
IIT Delhi | 3 |
Stanford University | 3 |
BITS Pilani | 2 |
Carnegie Mellon University | 2 |
Duke University | 2 |
IIM Ahmedabad | 2 |
Total funding in companies founded by alumni from top colleges in the Website Security Software
In the last 10 years, Harvard Business School and Harvard University graduates' Website Security Software companies have raised the most funding among top colleges, and McGill University alumni are third.
College | Total Funding |
|---|---|
Harvard Business School | $2.21B |
Harvard University | $2.21B |
McGill University | $2.2B |
University of Chicago | $2.2B |
BITS Pilani | $1.06B |
Massachusetts Institute of Technology | $260M |
Tsinghua University | $158M |
IIT Delhi | $93M |
Duke University | $93M |
Stanford University | $62.3M |
Top News in Website Security Software
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DigiCert Partner Network Expands Opportunities Across Digital TrustGlobeNewswire•Oct 01, 2026•DigiCert
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HBO Max Joins Deutsche Telekom’s MagentaTV PlatformBroadband TV News•Sep 23, 2026•Warner Bros. Discovery, Deutsche Telekom, CloudFlare
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DigiCert Launches AI Trust Manager to Secure AI Agents with Digital PassportsGlobeNewswire•Sep 15, 2026•DigiCert
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DigiCert Research: Certificate Failures Pose Significant Financial Risk to EnterprisesGlobeNewswire•Sep 09, 2026•DigiCert
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GeoTrust Launches GeoTrust Horizon® Solution for Small BusinessesCIO Influence•Aug 26, 2026•GeoTrust
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DigiCert Recognized as Top-Tier Digital Trust Leader by Frost & SullivanGlobeNewswire•Aug 06, 2026•DigiCert
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