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Top Cybersecurity Companies for Network Security

40 of 104 cybersecurity companies ranked on evidence in the Q4 2026 edition.

Between them, the 104 cybersecurity companies on this page cover cybersecurity (83), IT services (80), e-commerce development (57) and IT security (42). They also list work in Bengaluru, India, Mumbai and United States of America. 103 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

40 of 104 cybersecurity companies ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All cybersecurity companies 40 ranked SMEs 37 ranked

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I
INFODAS
IT Services · E-Commerce Development · iOS App · Also in Germany
INFODAS is an independent, family-owned cybersecurity company founded in Germany in 1974.
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Why #1: Founded 1974 · Team of 130+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
InfoGuard AG
IT Services · E-Commerce Development · IT Security · Also in Switzerland
Swiss cyber security provider with round-the-clock monitoring, testing and consulting for organisations in the DACH region
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Why #2 (shared): Founded 2001 · Team of 350+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Network Intelligence
IT Services · Web Security · Software Development · Also in Pune and Bengaluru, India
Network Intelligence is a global cybersecurity company founded in 2001.
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Why #2 (shared): Founded 2001 · Team of 550+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
ESET
IT Services · IT Security · Cybersecurity · Also in Slovakia
ESET develops security software for personal devices and company networks. It has been in the business since 1987, and its products run on Windows, macOS, Android and Linux.
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Why #4: Founded 1987, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
ACPL Systems Pvt. Ltd.
E-Commerce Development · Web Security · Software Development · Also in India
ACPL Systems Pvt. Ltd. is an information security specialist founded in 1990. It supplies products, services, training and consultancy to customers throughout India.
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Why #5: Founded 1990, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
AEC
IT Services · IT Security · Data Security · Also in Czech Republic
AEC was founded in 1991 as an information security company. In September 2023 it took the Aricoma name together with three sister companies, and its security work now sits in…
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Why #6 (shared): Founded 1991, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
InfoTeCS JSC
IT Services · Web Development · Web Design · Also in Russia
InfoTeCS is a maker of information security software. Its ViPNet products let customers set up and control virtual private networks and protect each machine and application…
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Why #6 (shared): In business 35+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
SECUDE
IT Services · E-Commerce Development · IT Security · Also in Switzerland
SECUDE is a security software company with a long record in protecting data in SAP environments.
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Why #8 (shared): Founded 1996, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
SonicWall
IT Services · Web Security · Software Development · Also in United States of America
SonicWall is a cybersecurity vendor that sells through partners.
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Why #8 (shared): In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Q
Qualys
IT Services · Web Development · Web Design · Also in United States of America
Qualys, Inc. is a US-listed provider of cloud-based security and compliance software.
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Why #10: Founded 1999, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Terranova Security
IT Services · E-Commerce Development · Web Security · Also in Canada
Terranova Security is a security awareness company that uses education and technology to help organisations reduce the risk caused by human error.
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Why #11 (shared): Founded 2001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
TT
TDI (Tetrad Digital Integrity)
Mobile App Development · IT Services · Web Development · Also in United States of America
Cybersecurity consultancy offering governance, engineering and performance management to government and commercial clients
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Why #11 (shared): Founded 2001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Herjavec Group
IT Services · E-Commerce Development · Web Security · Also in Canada
Cybersecurity company providing managed security services and consulting to large organisations in the US, UK and Canada
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Why #13 (shared): Founded 2003, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
SecuRing
Mobile App Development · E-Commerce Development · IT Security · Also in Poland
SecuRing is an application security company founded in 2003. It works for banks, insurers, telecom providers, government bodies and software houses, concentrating on the security…
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Why #13 (shared): Founded 2003, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
CYBERYG
IT Services · E-Commerce Development · IT Security · Also in Czech Republic
CYBERYG is a cybersecurity company run by people with two decades behind them in international business development.
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Why #15 (shared): In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
FC
Fidelis Cybersecurity
IT Services · E-Commerce Development · IT Networking · Also in United States of America
Fidelis Cybersecurity sells threat detection and response products to large organisations.
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Why #15 (shared): In business 20+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
C
CYQUEO
IT Services · E-Commerce Development · Cybersecurity · Also in Germany
CYQUEO is a managed security service provider from Munich. It helps companies protect their IT infrastructure, communication and business processes, using a zero-trust approach.
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Why #15 (shared): In business 20+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
ISSP - Information Systems Security Partners
E-Commerce Development · IT Security · Cloud Security · Also in Poland
Cybersecurity company offering assessment, penetration testing, managed detection and threat intelligence to businesses and governments
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Why #18 (shared): Founded 2008, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Malwarebytes
IT Services · IT Security · Cybersecurity · Also in United States of America
Malwarebytes is a cybersecurity company whose software defends computers and business endpoints against malware, ransomware and exploits that traditional antivirus can miss.
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Why #18 (shared): Founded 2008, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
CYBERS
IT Services · IT Security · IT Solution · Also in Estonia
CYBERS is an information security company headquartered in Tallinn, Estonia. It was founded in 2010 and was formerly called Security Software.
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Why #20: Founded 2010, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Heimdal Security
IT Services · IT Security · IT Solution · Also in Romania
Cybersecurity vendor offering a unified platform for endpoint, network, email and identity protection to enterprises and MSPs
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Why #21 (shared): Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Authen Security, Inc.
IT Services · E-Commerce Development · Web Security · Also in Canada
Authen Security is a small advisory firm that deals only with identity and access management.
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Why #21 (shared): Founded 2011, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
buguroo
E-Commerce Development · IT Security · Web Security · Also in Spain
buguroo is an international cyber security company headquartered in Madrid, with offices in North America, South America and across Europe.
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Why #21 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
TS
TBG Security
IT Services · Web Development · Web Design · Also in United States of America
TBG Security is a cybersecurity consultancy that helps organisations meet regulatory requirements and reduce the risk of a breach.
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Why #21 (shared): In business 15+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

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Top Cybersecurity Companies for Network Security

INFODAS

InfoGuard AG

Network Intelligence

ESET

ACPL Systems Pvt. Ltd.

AEC

InfoTeCS JSC

SECUDE

SonicWall

Qualys

Terranova Security

TDI (Tetrad Digital Integrity)

Herjavec Group

SecuRing

CYBERYG

Fidelis Cybersecurity

CYQUEO

ISSP - Information Systems Security Partners

Malwarebytes

CYBERS

Heimdal Security

Authen Security, Inc.

buguroo

TBG Security

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