Penetration Testing
in Tokyo
Proof-driven Penetration Testing for organizations in Tokyo. We deliver validated exploit evidence, not automated scanner noise.
Free Scoping CallTokyo Threat Intelligence
World's largest metropolitan economy. APPI data protection and financial industry cybersecurity guidelines mandate comprehensive security posture.
Technology Ecosystem
Global automotive/electronics R&D hub, major financial exchanges (TSE), advanced manufacturing IoT.
Automotive R&D intellectual property theft via APT campaigns
Financial exchange API high-frequency trading manipulation
Manufacturing ICS/SCADA firmware vulnerabilities
Healthcare system patient data exfiltration
Regional Regulations
Key Industries
Proof-Driven Methodology
Discovery
Attack surface mapping & asset enumeration
Analysis
Manual testing beyond automated scanners
Exploit & Proof
PoC validation for every finding
Report & Retest
Remediation code + free retest
Frequently Asked Questions
How long does the Penetration Testing process take?
Typically 1-4 weeks depending on scope and infrastructure complexity. We provide a firm timeline after discovery.
What do the deliverables look like?
Each finding includes exploit proof (PoC), business impact score, and developer-friendly remediation code — plus an executive summary.
Is the report valid for regulatory audits?
Yes. Our reports are accepted as audit evidence for ISO 27001, PCI-DSS, SOC2, GDPR, and HIPAA compliance processes.
Why Eresus Security?
Proof-Driven Reporting
Every finding is validated with a real exploit. No scanner noise — only proven risks.
Offensive Security Expertise
Specialized team in AI security, API pentesting, Red Team operations, and cloud security review.
Free Retest Guarantee
We retest your fixes for free. Remediation code and developer support included.
Audit-Ready Deliverables
Reports accepted in ISO 27001, PCI-DSS, SOC2, GDPR, and HIPAA audit processes.
Related Service Areas
Validate Your Security Posture
Don't rely on scanner outputs. We execute the same techniques real attackers use — in a controlled environment, for you.
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