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Top 10 Cybersecurity Service Providers in South Korea

Chandan Kumar Sahoo

Chandan Kumar Sahoo

Published On: June 25, 2025

chandan

Chandan Kumar Sahoo

August 29, 2024

Top 10 Cybersecurity Service Providers in South Korea
Table of Contents

As digital threats are on the rise every day, the importance of cybersecurity cannot be underestimated, especially in a highly connected country like South Korea. Strong cybersecurity efforts are required from everyone, from local and national businesses to global companies, to protect data, systems, and privacy when conducting business or sharing information. Fortunately, South Korea has many trusted cybersecurity company that offer organisations options to protect their information. In this blog, we will provide the Top 10 Cybersecurity Service Providers in South Korea, starting with the leading name Qualysec.

List of Top 10 Cybersecurity Service Providers in South Korea

South Korea is one of the most digitally advanced countries in the world, and that comes with a need for strong cybersecurity. From big enterprises to tech start-ups, every organization needs to protect its data and systems from rising cybersecurity threats. In this blog, we have listed the top 10 cybersecurity service providers in South Korea who are taking care of businesses.

1. Qualysec

Qualysec

Qualysec is one of the fastest-growing cybersecurity companies and has rapidly gained a strong reputation in South Korea for its expert-led security testing and consulting services. It believes in helping organizations locate vulnerabilities and fix them before they can be exploited by cyber attackers. 

This is known for its professionalism, using automated tools when applicable and manual testing when necessary. Whether you are a startup, small to midsize business, or enterprise-level business, Qualysec’s team will ensure that your applications, networks, and systems are fully secured and compliant with industry standards. 

It’s long-established, global offices and clients consist of a growing number of happy customers from different sectors. Whether in fintech, healthcare, SaaS, or government services, Qualysec is trusted by businesses in every sector. One thing that clients have mentioned that sets Qualysec apart is its transparency, full-scope reporting, and post-assessment support, which makes it a strong cybersecurity partner in the region.

Why It Stands Out:

  • Manual and automated testing with zero false positives
  • NDA-backed confidentiality
  • Remediation support with PoC
  • Focus on compliance (ISO, GDPR, HIPAA, PCI-DSS)

Website:

https://www.qualysec.com

Location: 

Bhubaneswar, India (Global service delivery including South Korea)

Services Offered:

Secure Your Business Before Hackers Do – Book a Free Consultation!

2. AhnLab

AhnLab

AhnLab began in South Korea and is a major player in the cybersecurity space. They provide a full suite of services, including antivirus software, endpoint protection, and cloud security. Their product, V3 Internet Security, is widely used by individuals and enterprises alike.

In addition to consumer products, AhnLab develops advanced threat intelligence and network monitoring solutions to mitigate cyberattacks. They continue to invest in research and development innovation, positioning them to respond to new threats. With more than 25 years of experience, AhnLab has been enlisted by many South Korean enterprises.

Why It Stands Out:

  • Trusted South Korean brand with 25+ years in cybersecurity
  • Advanced threat detection tools
  • Widely used antivirus (V3)
  • Enterprise and consumer-grade products

Location:

Seongnam-si, Gyeonggi-do, South Korea

Services Offered:

  • Endpoint Protection
  • Antivirus & Anti-malware
  • Network Security
  • Cloud Security
  • Threat Intelligence

3. Penta Security

Penta Security

Penta Security is a leading web application firewall, data encryption, and cloud security provider. They are based in Seoul and focus on securing web applications and databases and protecting networks for enterprise clients from potential cyberattacks. Their product WAPPLES is one of the leading solutions in the web security arena.

Penta Security is also doing work on IoT and blockchain security solutions- a chance for businesses to advance their technology in a safe place. Penta Security has a robust research and development team and a customer-first philosophy. They remain one of the foremost trusted cybersecurity providers in Asia.

Why It Stands Out:

  • Leader in data encryption and WAFs in Asia
  • Strong cloud and web application focus
  • Blockchain and IoT security offerings

Location: 

Seoul, South Korea

Services Offered:

  • Web Application Firewall (WAPPLES)
  • Database & File Encryption
  • Cloud Security
  • IoT & Blockchain Security

4. EST Security

EST Security

EST Security provides a full range of Cybersecurity Service Providers in South Korea in from anti-malware to endpoint and cloud solutions, catering to both small businesses as well as large enterprise customers. Part of their offerings includes ALYac, a well-known antivirus tool widely used in the business world. 

They also focus on APT (Advanced Persistent Threat) defence, utilizing AI and machine learning to detect sophisticated attacks, in addition to their typical offerings of security and compliance resources. EST Security supports an aggressive product development approach and updates to beat the compromises and provide strong customer service, compliance, and systems of record features to keep users secure while being under attack.

Why It Stands Out:

  • Strong AI-powered malware detection
  • Enterprise-grade endpoint solutions
  • Local threat intel and language support

Location:

Seoul, South Korea

Services Offered:

  • Anti-malware Solutions
  • Endpoint & Network Security
  • Threat Intelligence
  • APT Defense

5. INCA Internet (nProtect)

INCA Internet (nProtect)

INCA Internet, primarily known for its nProtect products, provides Cybersecurity pentesting service for the financial, e-commerce, and gaming industries. Their products and solutions have been used widely to protect users from malware, phishing, and fraud. 

They offer endpoint security, server, and mobile security products. INCA Internet’s leading area is having a wide range of understanding of specific threats in the industry. It is previously known that many investment and financial institutions and online gaming operations in South Korea believe certain brands and their data are trusted for security.

Why It Stands Out:

  • Focused on fintech, gaming, and e-commerce security
  • Real-time protection for high-traffic platforms
  • Proven local compliance record

Location:

Seoul, South Korea

Services Offered:

  • Endpoint Security
  • Web & Mobile App Protection
  • Fraud Detection
  • Online Transaction Security

Your App Deserves Bulletproof Security – Get Started with Us.

6. MONITORAPP

MONITORAPP

MONITORAPP and its cloud-based security division, AIONCLOUD, are committed to providing cloud-based cybersecurity solutions. Services include Web Application Firewalls (WAF), Email Security, and a Cloud Access Security Broker (CASB).

AIONCLOUD is particularly well-suited for organizations that plan to use an abundance of cloud services and desire flexible security. All of the tools are user-friendly and suitable for today’s cloud-first environments, with centralized control and real-time monitoring. 

Why It Stands Out:

  • Cloud-native security platform
  • Real-time analytics and centralized control
  • Easy deployment for growing businesses

Location:

Seoul, South Korea

Services Offered:

  • Web Application Firewall (WAF)
  • Email & Web Security
  • Cloud Access Security Broker (CASB)
  • DDoS Protection

7. IGLOO Security

IGLOO Security

IGLOO Security is a leader in Security Information and Event Management (SIEM). They support security operations, incident response, and threat intelligence, and their primary product, SPiDER TM, allows organizations to identify, analyze, and respond to threats in real-time.

They also perform much of that work as consulting and system integrators to help organizations build their own Security Operation Centers (SOC). IGLOO is unique in that it focuses R&D on developing unique customized security solutions for its clients in the finance, telecom, and public sectors.

Why It Stands Out:

  • Pioneers in SIEM solutions in Korea
  • Custom SOC builds and services
  • Strong in the government and finance sectors

Location:

Seoul, South Korea

Services Offered:

  • SIEM (SPiDER TM)
  • Threat Monitoring & Response
  • Security Consulting
  • Incident Management

8. CyberSafeHaven Consulting

CyberSafeHaven Consulting

CyberSafeHaven Consulting aims to help businesses build stronger security systems. They provide cyber security as a service, vulnerability assessments, and cyber defence planning. They primarily focus on midsize to large companies that may need to do a better job of protecting their internal defences.

The CyberSafeHaven team includes experts who partner with clients to assess and identify weaknesses, provide practical ideas to fix those weaknesses, ensure clear communication, and on-time delivery, along with extensive knowledge of compliance rules at both the local and global levels.

Why It Stands Out:

  • Focused on assessments and strategic defense
  • Tailored solutions for medium to large businesses
  • Known for clear reporting and guidance

(Website not publicly available; typically operates through consulting networks)

Location:

South Korea (City varies based on client base)

Services Offered:

  • IT Security Consulting
  • Vulnerability Assessment
  • Cyber Defense Planning
  • Compliance & Risk Management

9. Fasoo

Fasoo

Fasoo specializes in Digital Rights Management (DRM) and data-centric security. Their tools are used to protect sensitive documents, manage access, and prevent unauthorized sharing. Fasoo’s clients typically include companies that handle confidential data, like legal firms and government agencies, and organizations like research labs.

Fasoo provides file encryption, usage tracking, and policy management tools, all of which enable organizations to maintain control over their documents even after they have left their system. Fasoo provides both on-premise and cloud infrastructure security solutions.

Why It Stands Out:

  • Strong DRM technology leader
  • Data-centric security for remote and hybrid teams
  • File control even outside the organization

Location:

Seoul, South Korea

Services Offered:

  • Digital Rights Management (DRM)
  • File & Document Security
  • Secure Collaboration Tools
  • Compliance Reporting

10. Cloudbric

Cloudbric is an emerging cybersecurity testing company that provides cloud-oriented security to web applications. Its three primary services include Web Application Firewall (WAF), Bot Protection, and Threat Intelligence. Cloudbric’s platform is user-friendly and geared toward startups and SMBs.

Cloudbric’s cybersecurity dashboard provides clear information about threats and responses. Overall, Cloudbric provides enterprise-level protection at a fair price, which appeals to many of South Korea’s smaller businesses.

Why It Stands Out:

  • Affordable solutions for startups and SMBs
  • Simple UI with enterprise-grade protection
  • Threat dashboard for full visibility

Location:

Seoul, South Korea

Services Offered:

  • Cloud-Based WAF
  • Bot Mitigation
  • Threat Intelligence
  • Website Protection

Conclusion

South Korea has a powerful and fast-growing cybersecurity industry. There is a range of dependable providers from established and sizable companies like AhnLab and Penta Security, to quickly growing providers like Qualysec and Cloudbric.

Whatever your cybersecurity needs are, whether penetration tests, cloud security, endpoint protection, or data privacy tools, these companies can fulfill your request. Cyber threats are becoming more commonplace, so aligning yourself with a cybersecurity provider is not a matter of preference; it is a matter of necessity.

Some providers will suit their industry and business model, so find the provider that fits your industry, budget, and security needs. Stay safe, stay smart, and leave the risk with the experts.

Stop Guessing. Start Testing. Qualysec’s Got You Covered.

FAQ’s

1. What Is a Cybersecurity Service Provider?

A cybersecurity service provider is a business that protects your technology, data, and networks against cyber threats (i.e., hacking, malware, data breaches). Cybersecurity services include things like penetration testing, auditing security, and monitoring for threats. 

2. What Is a Cybersecurity-Managed Service Provider?

A cybersecurity managed service provider (MSP) offers an outsourced cybersecurity support service that is continuous. A cybersecurity MSP will monitor and manage your systems 24/7 to detect and respond to cyber threats so that you have security without needing a team of cybersecurity experts in-house. 

3. What Is a Security Service Provider?

A security service provider provides services to keep your information technology infrastructure secure. Depending on the security service provider, it can offer several services, including physical security, network security, endpoint security, and compliance services.

Qualysec Pentest is built by the team of experts that helped secure Mircosoft, Adobe, Facebook, and Buffer

Chandan Kumar Sahoo

Chandan Kumar Sahoo

CEO and Founder

Chandan is the driving force behind Qualysec, bringing over 8 years of hands-on experience in the cybersecurity field to the table. As the founder and CEO of Qualysec, Chandan has steered our company to become a leader in penetration testing. His keen eye for quality and his innovative approach have set us apart in a competitive industry. Chandan's vision goes beyond just running a successful business - he's on a mission to put Qualysec, and India, on the global cybersecurity map.

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Chandan Kumar Sahoo

CEO and Founder

Chandan is the driving force behind Qualysec, bringing over 8 years of hands-on experience in the cybersecurity field to the table. As the founder and CEO of Qualysec, Chandan has steered our company to become a leader in penetration testing. His keen eye for quality and his innovative approach have set us apart in a competitive industry. Chandan's vision goes beyond just running a successful business - he's on a mission to put Qualysec, and India, on the global cybersecurity map.

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