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Global Cyber Defender - Locally Trusted

We deliver specialized cybersecurity services that help businesses identify risks, strengthen security, and stay resilient in an increasingly complex digital landscape.

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Overview

Leadership Board

Our Solutions

Why Us

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About RK Global Cyber (RGC)

RK Global Cyber (RGC) is the specialized cybersecurity company of Rikkeisoft, providing professional cybersecurity services to customers in global markets.
 
With a team of internationally certified cybersecurity experts and hands-on experience, RGC combines deep technical expertise with delivery capabilities across Vietnam, Japan and other international markets.
 
We help businesses proactively identify vulnerabilities, strengthen security from the design stage, monitor emerging threats, and respond to signs of compromise – while supporting security standards and regulatory requirements across markets, particularly in Japan, APAC and the US.
 

📍 Headquarters: Vinacomin Tower, 3 Duong Dinh Nghe Street, Yen Hoa Ward, Hanoi, Vietnam.

300+

Existing Rikkeisoft Customers

20+

Cybersecurity Experts

LAC Co., Ltd.

Strategic Partnership

Meet Our Leadership Board

Ta Viet Phuong

Board Member
Rikkeisoft

Dang Thai Hoa

Board Member
Rikkeisoft

Truong Duc Luong

Global Advisory Board & CEO of RGC

Yasuhide Nakayama

Strategic Advisor of RGC

Penetration Testing

Penetration Testing

Find vulnerabilities before attackers do

We simulate real-world attack scenarios across Web, Mobile, Cloud and Network environments to identify exploitable vulnerabilities and assess the actual security posture of your systems - before go-live, during security assessments, or as part of periodic testing.

Key Capabilitites

WebMobileAPI
CloudNetworkVAPT

Security Consulting & Hardening

Build security into your systems from the start

We help organizations integrate security into system design and strengthen configurations across operating systems, databases, networks and cloud environments.

Our approach follows recognized security frameworks and guidelines, including CIS, NIST and METI, helping organizations reduce security risks and avoid costly remediation later.

Key Capabilitites

Security by DesignSecurity AssessmentOS Hardening
Database HardeningNetwork HardeningCloud Hardening

Cyber Threat Intelligence

See emerging threats before they become incidents

Our Cyber Threat Intelligence service monitors the Deep Web and Dark Web around the clock to identify leaked credentials, exposed data and emerging threats targeting organizations and their supply chains.

We provide early warnings on potential targeted attacks and APT campaigns, helping organizations make informed decisions before threats escalate.

Key Capabilitites

24/7 Deep/Dark Web MonitoringCredential & Data Leak DetectionThreat Monitoring
APT IntelligenceSupply Chain Risk

Compromise Assessment

Detect hidden signs of compromise

We proactively investigate systems for potential traces of intrusion that may remain undetected even when systems appear to be operating normally.

Our assessments cover advanced attack techniques, including Fileless Malware and Living-off-the-Land, making the service particularly relevant when organizations suspect data exposure, undergo M&A activities, or need to assess critical systems.

Key Capabilitites

Threat HuntingCompromise DetectionFileless Malware Detection
Living-off-the-Land AnalysisDigital Investigation

Security Staffing & BrSE

Extend your cybersecurity capabilities with specialized experts

RGC provides cybersecurity engineers, security specialists and Security BrSE resources for project-based, onsite and offshore engagements.

Organizations can access specialized security expertise without having to build an entire cybersecurity team internally.

Key Capabilitites

Cybersecurity EngineersSecurity Assessment SpecialistsSecurity BrSE
Onsite / Offshore Staffing

Cybersecurity Solutions We Offer

Why Choose Us?

Specialized Cybersecurity Expertise

A network of experienced cybersecurity professionals with expertise across Pentest, Red Team, Hardening, Consulting and DFIR.

Technology & Engineering Strength

Backed by Rikkeisoft’s engineering capabilities and experience in developing and maintaining complex IT systems, enabling practical and technology-driven security solutions.
 

Global Reach, Local Understanding

Combining cybersecurity capabilities in Vietnam and Japan with an international network to support customers across global markets.
 

End-to-End Security Support

From Security by Design and Pentest to Threat Intelligence and Compromise Assessment, we help businesses identify, prevent and respond to security risks across the lifecycle.

Let’s Strengthen Your Cybersecurity

Have a cybersecurity challenge or need expert support? Tell us about your needs, and our experts will get in touch with you.