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List of Computer and Network Security Companies

Selling into Computer and Network Security? Here are its companies, biggest first, including Wise Security Global, LAYER8 and Monarch. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
Wise Security Global logo
Wise Security Global
Computer and Network Security
Spain, Community of Madrid, Humanes de Madrid
$1M - $10M
123
LAYER8 logo
LAYER8
Computer and Network Security
Portugal, Lisbon, São João Das Lampas
$1M - $10M
122
Monarch logo
Monarch
Computer and Network Security
United States, California, San Francisco
$250M - $500M
122
Trend Micro Europe logo
Trend Micro Europe
Computer and Network Security
Ireland, Cork, Cork
$1M - $10M
122
VMRay logo
VMRay
Computer and Network Security
Germany, North Rhine-Westphalia, Bochum
$41M
$50M - $100M
122
Applied Tech logo
Applied Tech
Computer and Network Security
United States, Wisconsin, Madison
$100M - $250M
121
Uniken Inc. logo
Uniken Inc.
Computer and Network Security
United States, New Jersey, Chatham
$40M
$50M - $100M
121
Foresite Cybersecurity logo
Foresite Cybersecurity
Computer and Network Security
United States, Kansas, Overland Park
$3M
$25M - $50M
120
Greenbone AG logo
Greenbone AG
Computer and Network Security
Germany, Lower Saxony, Osnabrück
$25M - $50M
120
Todyl logo
Todyl
Computer and Network Security
United States, Colorado, Denver
$84M
$250M - $500M
120
Pen Test Partners logo
Pen Test Partners
Computer and Network Security
United Kingdom, England, Middle Claydon
$10M - $25M
119
SECUINFRA GmbH logo
SECUINFRA GmbH
Computer and Network Security
Germany, Berlin, Berlin
$25M - $50M
119
FRSecure logo
FRSecure
Computer and Network Security
United States, Minnesota, Minnetonka
$250M - $500M
118
Varutra Consulting logo
Varutra Consulting
Computer and Network Security
United States, California, Mission Viejo
$1M - $10M
118
Dispel logo
Dispel
Computer and Network Security
United States, Texas, Austin
$30M
$100M - $250M
117
Foxguard logo
Foxguard
Computer and Network Security
United States, Virginia, Christiansburg
$100M - $250M
117
OpenZeppelin logo
OpenZeppelin
Computer and Network Security
United States, Maryland, Leisure World
$25M - $50M
117
Telesoft logo
Telesoft
Computer and Network Security
United Kingdom, England, Blandford Forum
$1M - $10M
117
Acalvio Technologies logo
Acalvio Technologies
Computer and Network Security
United States, California, Santa Clara
$58M
$50M - $100M
116
Comodo CA logo
Comodo CA
Computer & Network Security
United States, New Jersey, Clifton
$100M - $250M
116
Telonic GmbH logo
Telonic GmbH
Computer and Network Security
Germany, North Rhine-Westphalia, Köln
$25M - $50M
116
TraceSecurity logo
TraceSecurity
Computer and Network Security
United States, Louisiana, Baton Rouge
$12M
$250M - $500M
116
Centripetal logo
Centripetal
Computer and Network Security
United States, Virginia, Reston
$46M
$100M - $250M
115
Aiuken Cybersecurity logo
Aiuken Cybersecurity
Computer and Network Security
Spain, Community of Madrid, Boadilla Del Monte
$100M - $250M
114
CyberFOX logo
CyberFOX
Computer and Network Security
United States, Florida, Tampa
$100M - $250M
114
DTS Solution - A Beyon Cyber Company logo
DTS Solution - A Beyon Cyber Company
Computer and Network Security
United Arab Emirates, Dubai, Dubai
$10M - $25M
114
Kudu Dynamics LLC logo
Kudu Dynamics LLC
Computer and Network Security
United States, Virginia, Chantilly
$50M - $100M
114
Link11 GmbH logo
Link11 GmbH
Computer and Network Security
Germany, Hesse, Frankfurt
$25M - $50M
114
Nixu Corporation logo
Nixu Corporation
Computer and Network Security
Finland, Uusimaa, Espoo
$1M - $10M
114
TrustNet | Cyber Security logo
TrustNet | Cyber Security
Computer and Network Security
Israel, Central District, Petaẖ Tiqwa
$50M - $100M
114
TrustedSec logo
TrustedSec
Computer and Network Security
United States, Ohio, Fairlawn
$50M - $100M
114
Dropsuite logo
Dropsuite
Computer and Network Security
Australia, Victoria, Melbourne
$5M
$25M - $50M
113
Hub Technologies logo
Hub Technologies
Computer and Network Security
Israel, Tel Aviv, Tel Aviv-yafo
$141M
$50M - $100M
113
Lake Business Products logo
Lake Business Products
Computer and Network Security
United States, Ohio, Highland Heights
$100M - $250M
113
Netsparker by Invicti logo
Netsparker by Invicti
Computer & Network Security
United States, Texas, Austin
$40M
$10M - $25M
113
Xage Security logo
Xage Security
Computer and Network Security
United States, California, Palo Alto
$116M
$100M - $250M
113
Anvilogic logo
Anvilogic
Computer and Network Security
United States, California, Palo Alto
$84M
$100M - $250M
112
Virtual Technologies Group logo
Virtual Technologies Group
Computer and Network Security
United States, Ohio, Maumee
$100M - $250M
112
Bell Cyber logo
Bell Cyber
Computer and Network Security
Canada, Ontario, Mississauga
$10M - $25M
111
HYPR | The Identity Assurance Company logo
HYPR | The Identity Assurance Company
Computer and Network Security
United States, New York, New York
$122M
$50M - $100M
111
Core Impact logo
Core Impact
Computer and Network Security
United States, Minnesota, Eden Prairie
$50M - $100M
110
Cylance Inc. logo
Cylance Inc.
Computer and Network Security
United States, Minnesota, Eden Prairie
$297M
$100M - $250M
110
Electronic City logo
Electronic City
Computer and Network Security
United States, New Jersey, Linden
$250M - $500M
110
Axio logo
Axio
Computer and Network Security
United States, New York, New York
$30M
$25M - $50M
109
Hacken, Blockchain Security & Compliance logo
Hacken, Blockchain Security & Compliance
Computer and Network Security
Estonia, Lääne-harju, Harju-risti
$2.5M
$10M - $25M
109
Rohde & Schwarz Cybersecurity logo
Rohde & Schwarz Cybersecurity
Computer and Network Security
Germany, Bavaria, München
$10M - $25M
109
Information Security Forum logo
Information Security Forum
Computer and Network Security
United Kingdom, England, London
$10M - $25M
108
NST Cyber - Your Trusted Enterprise CTEM Partner logo
NST Cyber - Your Trusted Enterprise CTEM Partner
Computer and Network Security
United States, California, San Jose
$10M - $25M
108
SecureIT logo
SecureIT
Computer and Network Security
United States, Virginia, Reston
$25M - $50M
108
nuHarbor logo
nuHarbor
Computer and Network Security
United States, Vermont, Colchester
$100M - $250M
108
Cryptomathic logo
Cryptomathic
Computer and Network Security
Denmark, South Denmark
$10M - $25M
107
CyCraft Technology logo
CyCraft Technology
Computer and Network Security
Taiwan, New Taipei City, Banqiao
$13M
$10M - $25M
107
Exclusive Networks France logo
Exclusive Networks France
Computer and Network Security
France, Île-de-France, Boulogne-billancourt
$1M - $10M
107
Hadrian logo
Hadrian
Computer and Network Security
Netherlands, North Holland, Amsterdam
$14M
$100M - $250M
107
Ignition Technology logo
Ignition Technology
Computer and Network Security
United Kingdom, England, Farnborough
$10M - $25M
107
SBS CyberSecurity logo
SBS CyberSecurity
Computer and Network Security
United States, South Dakota, Madison
$100M - $250M
107
Tesorion logo
Tesorion
Computer and Network Security
Netherlands, Utrecht, Nieuwegein
$10M - $25M
107
Tosi logo
Tosi
Computer and Network Security
United States, Texas, Irving
$5.9M
$100M - $250M
107
AppCheck Ltd logo
AppCheck Ltd
Computer and Network Security
United Kingdom, England, Leeds
$25M - $50M
106
BluSapphire - NextGen AI SIEM & SOC logo
BluSapphire - NextGen AI SIEM & SOC
Computer and Network Security
India, Telangana, Hyderabad
$9.2M
$10M - $25M
106
DefendEdge logo
DefendEdge
Computer and Network Security
United States, Illinois, Elmhurst
$25M - $50M
106
Hive Pro, Inc. logo
Hive Pro, Inc.
Computer and Network Security
United States, Virginia, Herndon
$7M
$100M - $250M
106
Keysight Device Security Testing logo
Keysight Device Security Testing
Computer and Network Security
Netherlands, South Holland, Delft
$25M - $50M
106
PDI Security and Network Solutions logo
PDI Security and Network Solutions
Computer and Network Security
United States, Georgia, Alpharetta
$100M - $250M
106
Pointsharp logo
Pointsharp
Computer and Network Security
Sweden, Stockholm, Nacka
$1M - $10M
106
spotit logo
spotit
Computer and Network Security
Belgium, Flanders, Merelbeke
$1M - $10M
106
PQShield logo
PQShield
Computer and Network Security
United Kingdom, England, Oxford
$64M
$50M - $100M
105
Pondurance logo
Pondurance
Computer and Network Security
United States, Indiana, Indianapolis
$100M - $250M
105
ARMO logo
ARMO
Computer and Network Security
United States, California, Palo Alto
$35M
$25M - $50M
104
Cytracom logo
Cytracom
Computer and Network Security
United States, Texas, Mckinney
$50M - $100M
104
Factum logo
Factum
Computer and Network Security
Spain, Community of Madrid, Madrid
$1M - $10M
104
IONIX logo
IONIX
Computer and Network Security
Israel, Tel Aviv, Tel Aviv-yafo
$100M - $250M
104
North Atlantic Networks logo
North Atlantic Networks
Computer and Network Security
United States, Massachusetts, North Attleboro
$50M - $100M
104
RegScale logo
RegScale
Computer and Network Security
United States, Virginia, Tysons
$52M
$100M - $250M
104
AnyWay Technologies logo
AnyWay Technologies
Computer and Network Security
United States, Arkansas, Wynne
$25M - $50M
103
Brinqa logo
Brinqa
Computer and Network Security
United States, Texas, Austin
$110M
$100M - $250M
103
CyCognito logo
CyCognito
Computer and Network Security
United States, California, Palo Alto
$153M
$50M - $100M
103
Cyber Solutions logo
Cyber Solutions
Computer and Network Security
United States, South Carolina, Anderson
$25M - $50M
103
FEITIAN Technologies Co., Ltd. logo
FEITIAN Technologies Co., Ltd.
Computer and Network Security
China, Beijing, Beijing
$250M - $500M
103
MWR CyberSec logo
MWR CyberSec
Computer and Network Security
South Africa, Gauteng, Johannesburg
$1M - $10M
103
NowSecure logo
NowSecure
Computer and Network Security
United States, Illinois, Chicago
$28M
$50M - $100M
103
Portnox logo
Portnox
Computer and Network Security
United States, Texas, Austin
$60M
$250M - $500M
103
Valimail logo
Valimail
Computer and Network Security
United States, Colorado, Denver
$84M
$250M - $500M
103
Vicarius logo
Vicarius
Computer and Network Security
United States, New York, New York
$58M
$250M - $500M
103
X Technologies, Inc. logo
X Technologies, Inc.
Computer and Network Security
United States, Texas, San Antonio
$100M - $250M
103
AVANTEC logo
AVANTEC
Computer and Network Security
Switzerland, Zurich, Zürich
$250M - $500M
102
CyberOne logo
CyberOne
Computer and Network Security
United Kingdom, England, London
$10M - $25M
102
INFIGO IS logo
INFIGO IS
Computer and Network Security
Croatia, Grad Zagreb, Zagreb-gornji Grad-medveščak
<$1M
102
Napatech logo
Napatech
Computer and Network Security
Denmark
$35M
$10M - $25M
102
Secure Computing logo
Secure Computing
Computer and Network Security
United States
$70M
$250M - $500M
102
IICYBERSECURITY logo
IICYBERSECURITY
Computer and Network Security
United States, Pennsylvania, Plymouth Meeting
$100M - $250M
101
Nexor logo
Nexor
Computer and Network Security
United Kingdom, England, Nottingham
$50M - $100M
101
Nexum, Inc. logo
Nexum, Inc.
Computer and Network Security
United States, Indiana, Hammond
$250M - $500M
101
Trail of Bits logo
Trail of Bits
Computer and Network Security
United States, New York, New York
$50M - $100M
101
Waterfall Security Solutions logo
Waterfall Security Solutions
Computer and Network Security
Israel, Central District, Rosh Ha'ayin
$250M - $500M
101
AUCyber logo
AUCyber
Computer and Network Security
Australia, Queensland, Fortitude Valley
$8.5M
$10M - $25M
100
Australian Signals Directorate logo
Australian Signals Directorate
Computer and Network Security
Australia, Australian Capital Territory, Canberra
$1M - $10M
100
Defendable logo
Defendable
Computer and Network Security
Norway, Oslo, Oslo
$1M - $10M
100
Guardtime logo
Guardtime
Computer and Network Security
Estonia, Harju Maakond, Kristiine
$8M
$25M - $50M
100
Hypori logo
Hypori
Computer and Network Security
United States, Virginia, Reston
$55M
$100M - $250M
100

About Computer and Network Security companies

Which Computer and Network Security companies are listed?

Computer and Network Security companies of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include Wise Security Global, LAYER8 and Monarch. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.

Where are Computer and Network Security companies located?

Computer and Network Security companies are most often headquartered in the United States, the United Kingdom, Israel, Canada, France and Germany.

What technologies do Computer and Network Security companies use?

The tools most often found in the tech stacks of Computer and Network Security companies include WordPress, Amazon Web Services, Microsoft 365, Google Cloud, HubSpot and LinkedIn Ads. Useful if you integrate with, complement or compete with one of them.

How do I reach decision makers at Computer and Network Security companies?

Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.

Insights based on LeadIQ data refreshed in September 2026.

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