Best Cybersecurity Companies in Czech Republic
The 51 best Cybersecurity companies in Czech Republic in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Avast.
- Cybersecurity Market Size, Share & Growth Report, 2033
- Cybersecurity market grows 16% despite deteriorating economic conditio
Our analysis of 174 Cybersecurity companies
$16.2b in tracked funding; 96% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Cybersecurity companies in Czech Republic
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Avast Developer of security and privacy software for computers and mobile | $100M | 40 mo ago | Acquired | — | 1988 | TurbopackApple iCloud MailMicrosoft 365+27 | — |
| 2 | Resistant AI Developer of software detecting document fraud and financial crime patterns | $30M | 9 mo ago | Series B | Lukas Machlica Co-Founder | 2019 | HubSpot CMS HubApple iCloud MailGoogle Workspace+21 | — |
| 3 | Wultra Provider of authentication solutions for financial institutions and fintech companies | $3M | 18 mo ago | Series A | Petr Dvorak Founder & CEO | 2014 | WebflowApple iCloud MailGoogle Workspace+27 | — |
| 4 | Whalebone Provider of DNS filtering based network security solution | $3M | 17 mo ago | Series B | Richard Malovic CEO | 2015 | HubSpot CMS HubSegmentLazySizes+18 | 2 partnerships · 1 award |
| 5 | Safetica Sensitive data monitoring, encryption & DLP | $2M | 16 mo ago | Series A | — | 2004 | Apple iCloud MailMicrosoft 365Amazon Web Services+28 | 2 awards |
| 6 | Blindspot Cloud based solutions for website and network protection | $2M | 32 mo ago | Seed | David Cermak Founder & CEO | 2023 | — | — |
| 7 | Cognitive Security Threat detection using AI based network behavior analysis | $1M | 183 mo ago | Acqui-Hired | Martin Rehak Co-Founder & CEO | 2009 | — | — |
| 8 | GreyCortex Network security and performance monitoring solutions | $1M | 121 mo ago | Seed | Petr Chaloupka Co-Founder & CEO | 2016 | — | — |
| 9 | Talsec Cloud-based mobile application security solutions provider | $1M | 27 mo ago | Seed | — | 2020 | WebflowGSAPMicrosoft Advertising+21 | — |
| 10 | GoodAccess Cloud based platform offering VPN solutions | $1M | 58 mo ago | Seed | — | 2014 | PHPQuillApexCharts.js+21 | — |
Top 12 Cybersecurity companies in Czech Republic
#1
Series B · Prague, Prague · founded 2019 · 80 employees$30.4Mraised▾
Developer of software detecting document fraud and financial crime patterns. This technology identifies tampered, fake, or generated files by analyzing images and documents for authenticity. The system integrates with existing transaction monitoring infrastructure to flag suspicious activities and potential money laundering behaviors. It provides automated verification processes to assist in onboarding and underwriting workflows. The software evaluates documents and transaction data to identify risks without requiring a complete replacement of current technical systems.
#2
Series A · Prague, Prague · founded 2004 · 3 employees$2.5Mraised▾
Safetica provides data monitoring, encryption and data loss prevention solution (DLP) to protect exfiltration of sensitive data leaks due to human mistakes and malicious actions. Product Safetica 5 is a DLP suite which combines data protection with endpoint monitoring. Software is available through partners channels in over 50 companies.
#3
Series B · Brno, South Moravian Region · founded 2015 · 2904 employees$3Mraised▾
Whalebone provides a network security solution. The solution offered by the company leverages DNS filtering and provides protection against malware, spam, DDoS attacks, and hacking websites. It redirects the malicious traffic, the malware is not able to contact its servers. The solution is available on-premise and cloud.
#4
Series A · Prague, Prague · founded 2014 · 20 employees$3.1Mraised▾
Provider of authentication solutions for financial institutions and fintech companies. The company delivers multi-factor authentication, mobile in-app protection, and advanced facial biometrics. It offers tools to protect digital identities from quantum threats and prevent fraud. The company provides resources, including case studies, blogs, webinars, and events.
- Jan 2025Series A$3.1M
- Dec 2021Seed—
#5
Acquired · Prague, Prague · founded 1988 · 1688 employees$100Mraised▾
Developer of security and privacy software for computers and mobile. The company provides antivirus, VPN, cleanup, and driver update products. It offers solutions for home and business use, including protection for multiple devices. The company also provides online security and privacy tools, such as a secure browser and breach monitoring.
#6
Seed · Brno, South Moravian Region · founded 2020 · 216 employees$1.1Mraised▾
Cloud-based mobile application security solutions provider. The features of the product include run-time application self-protection, user protection, security monitoring, debugging, dashboards, device lock status, incident detection, threat monitoring, app analyzing and decryption, attack prevention, etc. It provides app for iOS and android users.
#7
Seed · Prague, Prague · founded 2023$1.5Mraised▾
Cloud based solutions for website and network protection. It offers cloud protection technology designed to protect against cyber attacks. It monitors and removes malicious traffic during an attack. Features of the platform include web and API security, and more.
- Nov 2023Seed$1.5M
#8
Seed · Ústi nad Labem, Ústi nad Labem Region · founded 2014 · 6 employees$1Mraised▾
Cloud based platform offering VPN solutions. The product offered by the company is a virtual private network. The features of the product include IP address masking, data encryption, secure online access, website blocking and unblocking, etc.
#9
Seed · Brno, South Moravian Region · founded 2016 · 29 employees$1.3Mraised▾
Developer of a security software designed to offer network threat identification and malware detection. The company's software offers a network traffic analysis and forensics platform which aids medium and large-sized companies in threat identification and getting a detailed overview of network traffic, enabling government and other critical infrastructures to monitor network security and performance.
#10
Acqui-Hired · Prague, Prague · founded 2009$1.4Mraised▾
Threat detection using AI based network behavior analysis
#11
Seed · Prague, Prague · founded 2014—raised▾
Provider of centralized log management and lightweight SIEM software solutions. The platform offers IT compliance, security analysis, and Windows monitoring. It facilitates log analysis and Microsoft 365 log monitoring. The software unifies logs from the entire IT stack, providing context for troubleshooting and infrastructure monitoring. It supports compliance with regulations and standards.
#12
Acquired · Brno, South Moravian Region · founded 2007 · 119 employees—raised▾
Flowmon is a provider of network monitoring and security solution for network and behavior analysis. This empowers businesses to manage and secure network connections and provides behavior analytics into the traffic and enhances the network and application performance. Its solution has the components of probe component for IP traffic information, APM and DDoS Defender system which is a scalable anti-DDoS Solution. The company was intially known as Invea Tech and split in October 2015 into Flowmon and Netcope technologies focused on solution for hardware acceleration.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Cybersecurity coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Cybersecurity is moving in the Czech Republic
A read on the academic research around Cybersecurity — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 216 Czech Republic-affiliated papers.
- Czech Technical University in Prague39
- Brno University of Technology38
- Masaryk University32
- Czech Academy of Sciences, Institute of Computer Science24
- VSB - Technical University of Ostrava16
- Situation awareness1→6
- Intrusion detection system6→9
- Scalability1→5
- Denial-of-service attack3→5
- Computer security16
- Network security12
- Intrusion detection system6
- Honeypot3
- Intrusion prevention system2
Where cybersecurity is researched across Czech Republic
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.