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List of Computer and Network Security Companies

Selling into Computer and Network Security? Here are its companies, biggest first, including Ericom Security by Cradlepoint, Escape and InfoGuard Deutschland GmbH. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
Ericom Security by Cradlepoint logo
Ericom Security by Cradlepoint
Computer and Network Security
United States, Idaho, Boise
$100M - $250M
66
Escape logo
Escape
Computer and Network Security
United States, California, San Francisco
$24M
$50M - $100M
66
InfoGuard Deutschland GmbH logo
InfoGuard Deutschland GmbH
Computer and Network Security
Germany, Hesse, Neu-isenburg
$10M - $25M
66
Niagara Networks logo
Niagara Networks
Computer and Network Security
United States, California, Fremont
$100M - $250M
66
THEOS Cyber logo
THEOS Cyber
Computer and Network Security
Singapore, Central Region, Singapore
$250M - $500M
66
Toreon logo
Toreon
Computer and Network Security
Belgium, Flanders, Antwerp
<$1M
66
ADT Cybersecurity logo
ADT Cybersecurity
Computer & Network Security
United States, North Carolina, Greensboro
<$1M
65
AZ Tech logo
AZ Tech
Computer and Network Security
United States, California, Fremont
<$1M
65
Agència de Ciberseguretat de Catalunya logo
Agència de Ciberseguretat de Catalunya
Computer and Network Security
Spain, Catalonia, L'hospitalet de Llobregat
$1M - $10M
65
DDoS-Guard logo
DDoS-Guard
Computer and Network Security
United Arab Emirates, Dubai, Dubai
$1B - $10B
65
Dependable Global Solutions logo
Dependable Global Solutions
Computer & Network Security
United States, Virginia, Falls Church
$1M - $10M
65
Holm Security logo
Holm Security
Computer and Network Security
Sweden, Stockholm, Bromma
$17M
$1M - $10M
65
Kontex logo
Kontex
Computer and Network Security
Ireland, Dublin, Dublin
<$1M
65
NXLog logo
NXLog
Computer and Network Security
United States, Delaware, Newark
$100M - $250M
65
Atlantic Data Security, LLC logo
Atlantic Data Security, LLC
Computer and Network Security
United States, Connecticut, Hartford
$100M - $250M
64
Aventail logo
Aventail
Computer and Network Security
United States
$50M - $100M
64
BackBox logo
BackBox
Computer and Network Security
Philippines, Metro Manila, Bonifacio Global City
$32M
$25M - $50M
64
CYBLU logo
CYBLU
Computer and Network Security
United States, Texas
$25M - $50M
64
OnSecurity logo
OnSecurity
Computer and Network Security
United Kingdom, England, Bristol
$7M
$10M - $25M
64
Onward Security, a DEKRA company logo
Onward Security, a DEKRA company
Computer and Network Security
Taiwan, New Taipei City, Xindian
$500M - $1B
64
Protected Harbor logo
Protected Harbor
Computer and Network Security
United States, New York
$25M - $50M
64
QuSecure logo
QuSecure
Computer and Network Security
United States, California, San Mateo
$42M
$10M - $25M
64
SIMBA Chain logo
SIMBA Chain
Computer and Network Security
United States, Indiana, South Bend
$59M
$10M - $25M
64
Safetech Innovations logo
Safetech Innovations
Computer and Network Security
Romania, București, București 39
<$1M
64
Security Iris logo
Security Iris
Computer & Network Security
United States, Florida, Wesley Chapel
<$1M
64
SteelCloud logo
SteelCloud
Computer and Network Security
United States, Virginia, Ashburn
$2.2M
$25M - $50M
64
VigilAigent logo
VigilAigent
Computer and Network Security
United States, Nevada, Las Vegas
$5M
$25M - $50M
64
West Ashley High School logo
West Ashley High School
Computer and Network Security
United States, South Carolina, Charleston
$1M - $10M
64
eMazzanti Technologies logo
eMazzanti Technologies
Computer and Network Security
United States, New Jersey, Hoboken
$10M - $25M
64
Allure Security logo
Allure Security
Computer and Network Security
United States, Connecticut, Watertown
$55M
$100M - $250M
63
Evolve Security logo
Evolve Security
Computer and Network Security
United States, Illinois, Wacker
$100M - $250M
63
GLIMPS logo
GLIMPS
Computer and Network Security
France, Bretagne, Cesson-sévigné
$7.2M
<$1M
63
7 Layer Solutions Inc logo
7 Layer Solutions Inc
Computer and Network Security
United States, Illinois, Schaumburg
$25M - $50M
62
Accuvant logo
Accuvant
Computer and Network Security
United States, Colorado, Denver
$8.2M
$100M - $250M
62
Arnica logo
Arnica
Computer and Network Security
United States, Georgia, Alpharetta
$7M
$100M - $250M
62
Byron Area School District logo
Byron Area School District
Computer and Network Security
United States, Michigan, Byron
$1M - $10M
62
Fox Technologies logo
Fox Technologies
Computer & Network Security
United States, Michigan, Grand Rapids
$16M
$1M - $10M
62
GreyNoise Intelligence logo
GreyNoise Intelligence
Computer and Network Security
United States, District of Columbia, Washington
$20M
$50M - $100M
62
Inspectiv logo
Inspectiv
Computer and Network Security
United States, California, Culver City
$19M
$100M - $250M
62
Kobalt.io logo
Kobalt.io
Computer and Network Security
Canada, British Columbia, Vancouver
$1.7M
$10M - $25M
62
LikeMinds Consulting Inc. logo
LikeMinds Consulting Inc.
Computer and Network Security
United States, New Jersey, Piscataway
$1M - $10M
62
Mi-Token logo
Mi-Token
Computer and Network Security
United States, Texas, Austin
$25M - $50M
62
Reflectiz logo
Reflectiz
Computer and Network Security
Israel, Tel Aviv, Ramat Gan
$27M
$50M - $100M
62
Sucuri Security logo
Sucuri Security
Computer and Network Security
United States, California, Menifee
$50M - $100M
62
Tenchi Security logo
Tenchi Security
Computer and Network Security
Brazil, São Paulo, Barueri
$10M
$1M - $10M
62
Z-CERT logo
Z-CERT
Computer and Network Security
Netherlands, Utrecht, Amersfoort
<$1M
62
iON logo
iON
Computer and Network Security
Canada, Alberta, Calgary
$10M - $25M
62
AgileBlue logo
AgileBlue
Computer and Network Security
United States, Ohio, Cleveland
$5.3M
$100M - $250M
61
BforeAI | The PreCrime™ Company logo
BforeAI | The PreCrime™ Company
Computer and Network Security
United States, New York, New York
$29M
$50M - $100M
61
CIAN Inc. logo
CIAN Inc.
Computer & Network Security
United States, Illinois, Peoria
$1M - $10M
61
CheckRed logo
CheckRed
Computer and Network Security
United States, Florida, St. Petersburg
$7.2M
$1M - $10M
61
Cyber1Armor logo
Cyber1Armor
Computer and Network Security
United States, New Jersey, Plainsboro
$25M - $50M
61
CyberGen logo
CyberGen
Computer and Network Security
United States, Florida, Palm Beach
$10M - $25M
61
HTCIA logo
HTCIA
Computer and Network Security
United States, Massachusetts, Boxborough
$1M - $10M
61
IGI Cybersecurity logo
IGI Cybersecurity
Computer and Network Security
United States, New York, Pittsford
$25M - $50M
61
ISTN logo
ISTN
Computer and Network Security
United States, Florida, Fort Lauderdale
$10M - $25M
61
MOXFIVE logo
MOXFIVE
Computer and Network Security
United States, Virginia, Tysons
$10M - $25M
61
Opal Security logo
Opal Security
Computer and Network Security
United States, California, San Francisco
$57M
$50M - $100M
61
Paragon Cyber Solutions | 8a, EDWOSB, SDVOSB, CMMC-C3PAO | logo
Paragon Cyber Solutions | 8a, EDWOSB, SDVOSB, CMMC-C3PAO |
Computer and Network Security
United States, Florida, Tampa
$1M - $10M
61
Specops logo
Specops
Computer and Network Security
Sweden, Stockholm, Stockholm
$100M - $250M
61
SynerComm logo
SynerComm
Computer and Network Security
United States, Wisconsin, Brookfield
$50M - $100M
61
intiGrow logo
intiGrow
Computer and Network Security
United States, Georgia, Duluth
$25M - $50M
61
Blumira logo
Blumira
Computer and Network Security
United States, Michigan, Ann Arbor
$43M
$100M - $250M
60
Cybertrust logo
Cybertrust
Computer and Network Security
United States
$50M - $100M
60
Industrial Defender logo
Industrial Defender
Computer and Network Security
United States, Massachusetts, Foxborough
$100M - $250M
60
Inside Security logo
Inside Security
Computer and Network Security
Chile, Santiago Metropolitan, Santiago
$250M - $500M
60
NCP engineering GmbH logo
NCP engineering GmbH
Computer and Network Security
Germany, Bavaria, Nürnberg
$10M - $25M
60
PKI Solutions logo
PKI Solutions
Computer and Network Security
United States, Oregon, Portland
$23M
$25M - $50M
60
Rhymetec logo
Rhymetec
Computer and Network Security
United States, New York, New York
$50M - $100M
60
SureCloud logo
SureCloud
Computer and Network Security
United Kingdom, England, London
$1M - $10M
60
Critical Insight logo
Critical Insight
Computer and Network Security
United States, Washington, Bremerton
$22M
$1M - $10M
59
DigitalXRAID logo
DigitalXRAID
Computer and Network Security
United Kingdom, England, Doncaster
$1M - $10M
59
Guardicore logo
Guardicore
Computer and Network Security
Israel, Tel Aviv, Tel Aviv-yafo
$106M
$25M - $50M
59
Intrusion Inc logo
Intrusion Inc
Computer and Network Security
United States, Texas, Plano
$20M
$1M - $10M
59
Permiso Security logo
Permiso Security
Computer and Network Security
United States, California, Palo Alto
$29M
$50M - $100M
59
SensePost logo
SensePost
Computer & Network Security
South Africa, Gauteng, Pretoria
<$1M
59
Sysdream logo
Sysdream
Computer and Network Security
France, Île-de-France, Levallois-perret
$10M - $25M
59
ThreatFabric logo
ThreatFabric
Computer and Network Security
Netherlands, North Holland, Amsterdam
$13M
$1M - $10M
59
Tidal Cyber logo
Tidal Cyber
Computer and Network Security
United States, District of Columbia, Washington
$24M
$50M - $100M
59
Chiron Technology Services, Inc. logo
Chiron Technology Services, Inc.
Computer and Network Security
United States, Maryland, Columbia
$10M - $25M
58
Computer Service Now logo
Computer Service Now
Computer and Network Security
United States, Ohio, Franklin
<$1M
58
Cyversity logo
Cyversity
Computer and Network Security
United States, New York, New York
$10M - $25M
58
Dreamlab Technologies logo
Dreamlab Technologies
Computer and Network Security
Switzerland, Bern, Bern
$250M - $500M
58
ReasonLabs logo
ReasonLabs
Computer and Network Security
United States, New York, New York
$1M - $10M
58
Red Piranha logo
Red Piranha
Computer and Network Security
Australia, Western Australia, Perth
$2.5M
$1M - $10M
58
Stairwell logo
Stairwell
Computer and Network Security
United States, California, Sunnyvale
$70M
$25M - $50M
58
TYCHON logo
TYCHON
Computer and Network Security
United States, Virginia, Fairfax
$25M - $50M
58
Tenet3® logo
Tenet3®
Computer and Network Security
United States, Ohio, Dayton
$10M - $25M
58
Traceable by Harness logo
Traceable by Harness
Computer and Network Security
United States, California, San Francisco
$110M
$10M - $25M
58
VECTRA logo
VECTRA
Computer and Network Security
Australia, South Australia, Adelaide
$25M - $50M
58
stackArmor logo
stackArmor
Computer and Network Security
United States, Virginia, Reston
$25M - $50M
58
Adlumin logo
Adlumin
Computer and Network Security
United States, District of Columbia, Washington
$129M
$250M - $500M
57
Andrews and Associates logo
Andrews and Associates
Computer and Network Security
United States, Texas, Amarillo
$50M - $100M
57
BARR Advisory, P.A. logo
BARR Advisory, P.A.
Computer and Network Security
United States, Kansas, Fairway
$50M - $100M
57
Claroty for Healthcare logo
Claroty for Healthcare
Computer and Network Security
United States, New York, New York
$50M
$25M - $50M
57
Computer Integrated Services logo
Computer Integrated Services
Computer and Network Security
United States, Texas, Plano
$25M - $50M
57
DNIF HYPERCLOUD logo
DNIF HYPERCLOUD
Computer and Network Security
United States, California, Mountain View
$1M - $10M
57
Everis Inc. logo
Everis Inc.
Computer and Network Security
United States, New York, Frankfort
<$1M
57
Lumeta Corporation logo
Lumeta Corporation
Computer & Network Security
United States, New Jersey, Somerset
$25M - $50M
57
NSS Labs logo
NSS Labs
Computer & Network Security
United States, Texas, Austin
$27M
$10M - $25M
57

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 Ericom Security by Cradlepoint, Escape and InfoGuard Deutschland GmbH. 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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