Introduction

Cyberattacks, data leaks, and ransomware are no longer “big company” problems. In Hanoi, startups, banks, e-commerce brands, software teams, and even small clinics increasingly hire an Ethical Hacker / Penetration Tester to find weaknesses before criminals do.

This guide explains what to expect when hiring a Ethical Hacker / Penetration Tester in Hanoi, typical costs, what to ask, and how to compare providers confidently.

The list below was evaluated using practical buyer criteria: evidence of real operations (official websites and public company presence when available), clarity of services, and publicly observable reputation signals. Where details are not publicly stated, they are marked as such rather than guessed.


About Ethical Hacker / Penetration Tester

An Ethical Hacker / Penetration Tester is a cybersecurity professional who legally tests your systems to identify vulnerabilities and prove real-world impact. The goal is actionable remediation: clear findings, reproducible proof, and prioritized fixes—not fear-driven reporting.

Typical work includes scoping and rules of engagement, reconnaissance, vulnerability discovery, exploitation (where permitted), and a final report with risk ratings and remediation guidance. Many teams also offer re-testing to confirm fixes.

You typically need a penetration test when you:

  • Launch a new website, API, mobile app, or payment flow
  • Integrate third-party services or cloud infrastructure
  • Prepare for audits or vendor security reviews
  • Have suffered an incident and need to understand root cause
  • Need ongoing security assurance for enterprise clients

Average cost in Hanoi (typical market ranges): Varies widely by scope, depth, and timeline. Small, time-boxed tests may start in the tens of millions VND, while complex multi-week engagements can reach hundreds of millions VND or more. Exact pricing depends on assets in scope and reporting requirements.

Licensing or certifications: Vietnam generally does not require a specific “license” to perform penetration testing, but professional certifications and documented methodology matter—especially for enterprise procurement. Commonly requested certifications include OSCP/OSWE, CEH, GPEN, CISSP (for leadership), and cloud/security specializations. Requirements can also depend on the client’s industry (finance, healthcare, etc.).

Key takeaways

  • Penetration testing is a controlled, legal attack simulation with documented scope and permission.
  • Good testers provide clear remediation steps, not just vulnerability lists.
  • Costs depend more on scope and complexity than company size.
  • Certifications help with trust, but proven methodology and reporting quality are equally important.

How We Selected the Best Ethical Hacker / Penetration Tester in Hanoi

We used buyer-focused criteria that map to real procurement decisions:

  • Years of experience
  • Team maturity, leadership background, and repeatable testing methodology
  • Verified customer review signals (publicly available only)
  • Public review presence and reputation indicators (when available)
  • Service range
  • Web/app/API testing, infrastructure, cloud, red teaming, and re-testing options
  • Pricing transparency
  • Clear engagement models (time-boxed vs. scope-based), deliverables, and re-test policy
  • Local reputation
  • Recognizable presence in Vietnam’s cybersecurity ecosystem and enterprise adoption signals

Only publicly available information is used where known. If a detail (like phone number, email, or review summaries) is not clearly published by the provider, it is listed as “Not publicly stated” rather than inferred.


About Hanoi

Hanoi is Vietnam’s political and one of its largest economic centers, with dense concentrations of government agencies, financial services, universities, technology companies, and fast-growing SMEs. This creates strong demand for security testing—especially for web portals, internal networks, and enterprise integrations.

Demand is typically driven by software outsourcing, fintech and e-wallet ecosystems, e-commerce growth, and increased regulatory/audit pressure from global clients.

Key neighborhoods served (commonly covered for on-site work and workshops):

  • Hoàn Kiếm, Ba Đình, Đống Đa, Hai Bà Trưng
  • Cầu Giấy, Thanh Xuân, Tây Hồ
  • Nam Từ Liêm, Bắc Từ Liêm, Long Biên
    Additional coverage across Greater Hanoi often varies by provider and project needs.

Top 5 Best Ethical Hacker / Penetration Tester in Hanoi

#1 — Viettel Cyber Security

  • Rating: Not publicly stated
  • Years of Experience: Not publicly stated
  • Services Offered: Penetration testing (scope-dependent), vulnerability assessment, security consulting, incident response support (varies / depends), enterprise security services
  • Price Range: Varies / depends (enterprise scope-based)
  • Contact Phone: Not publicly stated
  • Contact Email (if available): Not publicly stated
  • Website (if available): https://viettelcybersecurity.com
  • Google Map or ProfessNow or Yelp Link:
  • Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
  • Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Enterprise / Premium, regulated industries, large-scope assessments

#2 — VNCS (VNCS Global)

  • Rating: Not publicly stated
  • Years of Experience: Not publicly stated
  • Services Offered: Penetration testing (web/app/network—varies by engagement), security assessment, consulting and security services (varies / depends), remediation guidance and re-testing (confirm in SOW)
  • Price Range: Varies / depends
  • Contact Phone: Not publicly stated
  • Contact Email (if available): Not publicly stated
  • Website (if available): https://vncs.vn
  • Google Map or ProfessNow or Yelp Link:
  • Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
  • Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Mid-to-large organizations needing structured security assessments

#3 — BKAV (BKAV Cyber Security)

  • Rating: Not publicly stated
  • Years of Experience: Not publicly stated
  • Services Offered: Cybersecurity services (varies / depends), security assessment/consulting (confirm penetration testing availability in scope), incident-related support (varies / depends)
  • Price Range: Varies / depends
  • Contact Phone: Not publicly stated
  • Contact Email (if available): Not publicly stated
  • Website (if available): https://www.bkav.com
  • Google Map or ProfessNow or Yelp Link:
  • Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
  • Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Organizations seeking established Vietnam-based cybersecurity vendors

#4 — VSEC (Vietnam Security Network)

  • Rating: Not publicly stated
  • Years of Experience: Not publicly stated
  • Services Offered: Penetration testing and security assessment (confirm exact scope), application and infrastructure security testing (varies / depends), security consulting and training (varies / depends)
  • Price Range: Varies / depends
  • Contact Phone: Not publicly stated
  • Contact Email (if available): Not publicly stated
  • Website (if available): https://vsec.vn
  • Google Map or ProfessNow or Yelp Link:
  • Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
  • Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Practical security testing engagements and remediation-focused reporting (confirm deliverables)

#5 — FPT IS

  • Rating: Not publicly stated
  • Years of Experience: Not publicly stated
  • Services Offered: Enterprise IT and security services (varies / depends), security consulting and assessment (confirm penetration testing scope and methodology), implementation and managed services (varies / depends)
  • Price Range: Varies / depends (enterprise scope-based)
  • Contact Phone: Not publicly stated
  • Contact Email (if available): Not publicly stated
  • Website (if available): https://fpt-is.com
  • Google Map or ProfessNow or Yelp Link:
  • Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
  • Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Large enterprises needing broader security programs alongside testing

Comparison Table

Professional Rating Experience Price Range Best For
Viettel Cyber Security Not publicly stated Not publicly stated Varies / depends Enterprise / Premium
VNCS (VNCS Global) Not publicly stated Not publicly stated Varies / depends Structured assessments
BKAV (BKAV Cyber Security) Not publicly stated Not publicly stated Varies / depends Established vendor procurement
VSEC (Vietnam Security Network) Not publicly stated Not publicly stated Varies / depends Remediation-focused testing (confirm scope)
FPT IS Not publicly stated Not publicly stated Varies / depends Enterprise programs + assessments

Cost of Hiring a Ethical Hacker / Penetration Tester in Hanoi

Average price range: In Hanoi, penetration testing is usually priced by scope and effort (time-boxed days/weeks or per-asset scope). For small, clearly defined targets (like a single marketing site or a small API surface), pricing may start in the tens of millions VND. For multi-application environments, internal networks, cloud configurations, or deeper exploitation/red-team style exercises, budgets commonly move into the hundreds of millions VND.

Emergency pricing: True “emergency” work is more common for incident response than for penetration testing. If you need immediate security validation before a launch or after a suspected compromise, expect rush scheduling fees or premium rates due to staffing and after-hours demands. Availability varies by provider.

What affects cost

  • Scope size and asset count: number of domains, IP ranges, applications, APIs, mobile apps
  • Depth of testing: vulnerability scan + verification vs. manual exploitation and chained attacks
  • Authentication level: unauthenticated vs. authenticated testing (often more thorough)
  • Compliance/reporting requirements: executive summary, technical appendix, evidence quality, risk mapping
  • Re-test policy: whether one re-test cycle is included after fixes
  • Timeline and constraints: rush timelines, limited maintenance windows, or required on-site workshops

To control costs without sacrificing quality, define scope tightly, clarify what “done” means (deliverables), and request a sample anonymized report format before signing.


Frequently Asked Questions (FAQ)

How much does a Ethical Hacker / Penetration Tester cost in Hanoi?

Most projects are priced by scope and effort. Small, time-boxed tests may start in the tens of millions VND, while complex multi-system engagements can reach hundreds of millions VND or more. Final pricing depends on assets, depth, and timelines.

How to choose the best Ethical Hacker / Penetration Tester in Hanoi?

Start with scope fit: web/app/API vs. internal network vs. cloud. Then check methodology, reporting quality (ask for a sample), re-test options, and whether the team can explain findings clearly to developers and leadership.

Are licenses required in Hanoi?

A specific local “penetration testing license” is not publicly stated as a general requirement for all work. In practice, clients rely on contracts, authorization letters (permission to test), and recognized certifications or documented experience.

What certifications should I look for?

Common certifications include OSCP/OSWE, CEH, GPEN, and broader security credentials like CISSP (often for leads). Also evaluate real deliverables: reproducible steps, proof, and remediation prioritization.

What’s the difference between vulnerability scanning and penetration testing?

Scanning typically identifies potential issues using automated tools. Penetration testing validates impact through manual verification and controlled exploitation (where permitted), then produces prioritized fixes and clearer risk context.

How long does a penetration test usually take?

Small scopes can take a few days; typical web/app tests are often 1–3 weeks end-to-end including reporting. Larger environments, red teaming, or multi-app portfolios can take longer. Timelines vary / depend on scope and stakeholder availability.

Do I need a penetration test for my small business website?

If you collect customer data, accept online payments, run accounts/logins, or integrate third-party scripts, a focused web and API test can be worth it. For simple brochure sites, a lighter security review may be sufficient—ask for a scoped recommendation.

Who offers 24/7 service in Hanoi?

24/7 support is more common for managed security monitoring and incident response than for standard penetration testing. For urgent testing needs, ask providers about rush scheduling; availability varies / depends and is not publicly stated for many firms.

What should be included in a professional pentest report?

At minimum: executive summary, scope and rules of engagement, vulnerability list with severity, proof of exploitation (when allowed), affected assets, and step-by-step remediation guidance. A re-test section or validation plan is also valuable.

Can a Ethical Hacker / Penetration Tester test my systems remotely from Hanoi?

Yes, many assessments are performed remotely with VPN access and defined testing windows. For sensitive environments, organizations may require on-site workshops, supervised testing, or stricter access controls.


Final Recommendation

If you’re an enterprise or regulated organization (banking, telecom, large e-commerce) that needs formal processes, procurement-friendly documentation, and the ability to handle wide scope, start by comparing Viettel Cyber Security and FPT IS.

If you want a security-focused engagement where penetration testing and remediation clarity are central, compare VNCS and VSEC, and request a sample report format plus a clear re-test policy.

If your priority is choosing a long-established Vietnam-based cybersecurity vendor and aligning with internal procurement preferences, BKAV may be a fit—confirm penetration testing scope, methodology, and deliverables in writing before kickoff.


Get Your Business Listed

If you’re a Ethical Hacker / Penetration Tester in Hanoi and want your details added or updated (services, contacts, and website), email contact@professnow.com. You can also registe & Update yourself at https://professnow.com/.