Penetration Testing Melbourne: CREST-Accredited Pen Testing Services

Borderless CS is a dual CREST-accredited penetration testing company headquartered in Melbourne, at Level 6, 1 Queens Road, St. Kilda Towers, Melbourne VIC 3004. Our Melbourne-based consultants deliver manual web application, API, network, cloud and mobile pen testing, with fixed quotes, risk-rated reports and free retesting.

Penetration Testing in Melbourne

Attackers only need one weak login, an exposed API or a forgotten server. Penetration testing in Melbourne shows you where that weak point is, before it costs you.

CREST-accredited penetration testing
Testers based in our Melbourne HQ
Manual, consultant-led testing
Web, API, cloud, network and mobile
Clear, prioritised remediation advice
On-site testing across greater Melbourne

Dual CREST accredited (ANZ + International)

ISO 27001:2022 certified

SOC 2 Type 2 Compliance

CREST + OSCP certified testers

Letter of Attestation issued

200+ engagements delivered

2 to 4 weeks from kick-off to final report

Your attack surface

Every New System Is Another Door

Melbourne businesses have moved fast: patient portals, online banking features, student platforms, SaaS products and hybrid offices all depend on web apps, APIs and cloud services working together.

That growth is good for business, but it also gives attackers more ways in. A single misconfigured cloud bucket or overlooked admin page can expose far more than you expect.

Pen testing in Melbourne gives you an attacker’s view of your environment, without the damage.

Our consultants combine manual testing, recognised methodologies and controlled exploitation to confirm which weaknesses are real, how far an attacker could get, and what to fix first. Automated scanners support the work, but they never replace it.

Whether it is one customer-facing app or your whole network, the aim is the same: close the gaps before someone uses them.

WHY IT MATTERS

Why Pen Testing Matters for Melbourne Organisations

Firewalls, EDR and a SIEM are important, but they do not prove you are secure. They tell you what is installed, not what an attacker could actually do.

Real breaches usually come from a chain of small issues: a weak password policy, an API that trusts too much, a cloud role with too many permissions. Tools rarely connect those dots.

A penetration test does. Certified testers look for those chains and, within the agreed scope, safely prove whether they can be exploited.

This gives your organisation a much clearer understanding of:

01Which findings are genuine risks, and which are noise
02The path an attacker would take through your systems
03What data or systems could be reached
04Which fixes will reduce the most risk first
05Whether your fixes actually worked, after retesting

Independent assurance

CREST Penetration Testing Melbourne: Why Accreditation Matters

A penetration tester gets controlled access to some of your most sensitive systems. You need to trust how they work, who does the testing and how your data is handled.

CREST accreditation is independent proof of exactly that. Borderless CS is a Melbourne-headquartered, CREST-accredited penetration testing company, and our methodology, processes and testers are assessed against CREST’s standards.

Borderless CS holds CREST ANZ and CREST International accreditation for penetration testing.

CREST ANZAccredited penetration testing

CREST InternationalAccredited penetration testing

ISO 27001:2022Information security management

SOC 2 Type 2Independently audited controls

CREST + OSCPCertified testing consultants

Essential Eight, NIST, ISMAligned testing and reporting

What we test

Penetration Testing Services in Melbourne

No two Melbourne environments look the same, so we scope each pentest around your systems, your customers, and the obligations you have to meet.

Web Application Penetration Testing Melbourne

We test logins, user roles, sessions, business logic and input handling against real attack techniques, including the OWASP Top 10, and prove how each issue could be exploited.

API Penetration Testing

APIs often expose more than the app in front of them. We check authentication, object-level access, data exposure, rate limiting and input validation across REST and GraphQL APIs.

External Network Penetration Testing

We assess your internet-facing systems, VPNs, mail and remote access services to find the entry points an outside attacker would try first.

Internal Network Penetration Testing Melbourne

We show what an attacker or compromised staff account could reach once inside: privilege escalation, lateral movement and access to critical servers. On-site testing is available anywhere in greater Melbourne.

Cloud Penetration Testing

For Microsoft Azure and AWS, we look at identity permissions, exposed storage, insecure configurations and paths from one cloud resource to another.

Mobile Application Penetration Testing

We test iOS and Android apps, how they store sensitive data, how they authenticate, and the backend APIs they talk to.

AI and SaaS Application Penetration Testing

For AI-enabled and multi-tenant SaaS products, we test tenant isolation, prompt injection, data leakage and access control between customers.

Know the difference

Penetration Testing vs Vulnerability Assessment

A vulnerability assessment and penetration test are related, but they are not the same thing.

Vulnerability assessment

Finds what might be wrong

A vulnerability assessment primarily identifies potential security weaknesses across your environment. It is useful for discovering and managing vulnerabilities at scale.

Penetration testing

Proves what an attacker could do

A pen test goes further. Our testers manually investigate identified weaknesses and, where appropriate, safely attempt controlled exploitation to understand whether a vulnerability can actually be used and what the potential impact could be.

How it works

Our Melbourne Penetration Testing Process

Every engagement follows the same controlled, transparent path, and you can meet the team at our Melbourne office at any stage.

Scoping and Consultation

We meet online or at our St Kilda Towers office to understand your systems, goals, deadlines and compliance needs. Together we agree what is in scope, what is excluded, access requirements and the timeline.

Reconnaissance and Attack Surface Analysis

Our testers map what is exposed and identify the most likely entry points.

Manual Security Testing

Consultants test by hand using recognised methodologies and real-world techniques. Tools help, but they do not lead.

Controlled Exploitation

Where appropriate and permitted within the agreed scope, identified vulnerabilities are safely validated toWithin the agreed scope, we safely prove whether a weakness can be exploited and how far it reaches. determine whether they can be exploited and what impact exploitation could potentially have.

Risk Analysis and Reporting

You receive a risk-rated report with evidence and fix steps, followed by a debrief with the testers who did the work.

Remediation and Retesting

Once your team has applied fixes, we retest to confirm each issue is closed.

Deliverables

What Do You Receive After a Penetration Test?

Our reports are written to be used, not filed away. Depending on scope, you receive:

Executive summary for management

Detailed technical findings

Risk-rated vulnerabilities

Supporting technical evidence

Business impact information

Prioritised remediation recommendations

Technical consultation

Remediation guidance

Retesting of identified vulnerabilities

This gives both management and technical teams useful information for understanding and reducing security risk.

Buyer's checklist

Choosing Between Penetration Testing Companies in Melbourne

Melbourne has no shortage of penetration testing companies, from Big 4 consultancies to small boutiques. Quality varies a lot, so ask each provider to show you:

Penetration Testing Cost in Melbourne

Penetration testing cost in Melbourne depends on scope: the number of applications, APIs, IP addresses and user roles, and whether testing is black-box, grey-box or white-box. A single web application test starts from $3,500, and every engagement gets a fixed quote after a free scoping call. Be wary of very cheap quotes, which are often automated scans sold as a pentest.

Local expertise

Pen Testing Melbourne: Why a Local Team Matters

When you choose a penetration testing company in Melbourne, location matters more than it seems.

A local team can test on site, join your stand-ups, and sit in the room when you present results to the board. They also understand the Australian and Victorian requirements your customers and regulators care about, from Essential Eight and APRA CPS 234 to the Victorian Protective Data Security Standards.

Borderless CS is headquartered in Melbourne and has no offshore testing team. The people who scope your test are the people who run it and explain the results.

The strongest penetration testing firms and service providers in Melbourne share four things: CREST accreditation, certified testers, genuinely manual testing and retesting included in the price.

Borderless CS meets all four from its Melbourne head office, and you can meet the testers in person before, during and after your engagement.

Top providers

Top Penetration Testing Firms and Service Providers in Melbourne

Why Borderless CS

Why Melbourne Organisations Choose Borderless CS for Penetration Testing?

Melbourne clients work with us because they get accredited testing, real people and detailed reports that lead to action.

CREST-accredited penetration testing

Testing delivered through established security processes and recognised penetration testing methodologies.

Manual security testing

Automated tools support our assessments, but hands-on testing and validation remain central to the engagement.

Top penetration testing firm, Melbourne HQ

Our head office and testing team are in Melbourne, so on-site work and face-to-face debriefs are easy.

Clear and actionable reporting

We explain what was identified, why it matters and how your team can address it.

Testing across modern environments

Our capabilities cover web applications, APIs, internal and external networks, mobile applications, cloud platforms, SaaS environments and other modern technology environments.

Remediation and retesting

Finding vulnerabilities is only part of the process. Retesting can confirm whether identified weaknesses have been successfully remediated.

Trusted in Melbourne

Melbourne Organisations Trust Our Team

Brimbank City Council, the local government serving Melbourne’s western suburbs, engaged Borderless CS to implement Microsoft Intune. Our team completed the project, streamlining the Council’s device management and strengthening security across its IT environment.

FAQs

Frequently Asked Questions About Penetration Testing Melbourne

Which penetration testing companies in Melbourne are CREST accredited?

Several Melbourne providers hold CREST accreditation. Borderless CS is headquartered in Melbourne and holds both CREST ANZ and CREST International accreditation for penetration testing, which you can verify on the CREST websites.

How much does penetration testing cost in Melbourne?

Cost depends on scope. A single web application test starts from $3,500, while network or multi-application engagements cost more. Borderless CS gives a fixed quote after a free scoping call, so you know the full cost before testing starts.

What pen testing services are available in Melbourne?

The most requested are web application, API, external and internal network, cloud (Azure and AWS), mobile application, and AI or SaaS application testing. Borderless CS delivers all of these from Melbourne.

Who are the best penetration testing service providers in Melbourne?

Look for CREST accreditation, testers with CREST or OSCP certifications, manual testing, a sample report you can review, and retesting. Borderless CS meets all of these from its Melbourne headquarters.

Can you test on site at our Melbourne office?

Yes. Internal network and wireless testing can be done on-site anywhere in Greater Melbourne, or remotely over VPN if that suits your team better.

How long does a penetration test take?

Active testing usually takes 3 to 15 business days depending on scope. A single web app or API often takes 3 to 5 days. From kick-off to final report, most engagements take 2 to 4 weeks.

How often should Melbourne businesses run a penetration test?

At least once a year, and after major changes such as a new release, cloud migration, merger or office move. PCI DSS and many enterprise customers expect annual testing as a minimum.

Do Victorian Government suppliers need penetration testing?

Many Victorian Government contracts ask suppliers to prove their security controls, and the Victorian Protective Data Security Standards expect agencies to manage supplier risk. A recent pentest with remediation evidence is a common way to show this.

Will a penetration test disrupt our operations?

Not when it is planned properly. Rules of engagement are agreed upfront, denial-of-service testing is excluded unless you ask for it, and riskier tests can run out of hours or against staging.

What is the difference between black-box, grey-box and white-box testing?

Black-box testers start with no inside knowledge, like an outside attacker. Grey-box testers get user accounts or limited information, which is the most common and cost-effective option. White-box testers get full documentation or source code for the deepest coverage.

What will we receive after the test?

An executive summary, risk-rated findings with evidence, business impact, step-by-step fixes, a debrief and retesting. After retesting we can issue a Letter of Attestation.

Which frameworks require penetration testing?

PCI DSS requires internal and external testing at least yearly and after significant change. ISO 27001, APRA CPS 234, SOC 2, the SOCI Act and the Australian Government ISM all expect regular security testing as evidence that controls work.

Can a pentest help with cyber insurance?

Yes. Insurers often ask whether you test regularly and fix what is found. A recent report, remediation evidence and a Letter of Attestation all support your application. Final terms are always set by the insurer.

How is Borderless CS different from other penetration testing companies in Melbourne?

We are Melbourne-headquartered, dual CREST accredited and fully consultant-led, with no offshore team. You deal directly with the testers, get reports written for both executives and engineers, and get retesting to confirm fixes.

How do we get started?

Book a free scoping call or meet us at our Melbourne office. We confirm the scope, send a fixed quote and can usually begin testing within a few weeks.

Do small and medium businesses in Melbourne need a pentest?

Often, yes. SMEs are frequent targets, and many now need a pentest to win contracts, answer customer security questionnaires or apply for cyber insurance. A tightly scoped test of your main application keeps the cost manageable.

Free scoping consultation

Find the Gaps Before Attackers Do

You do not need a breach to learn where you are exposed.

Pen testing in Melbourne gives your team a clear list of real, exploitable issues, what they could lead to, and the order to fix them in.

Whether you are preparing for a customer audit, launching a new product, or comparing penetration testing companies in Melbourne, our team will help you scope the right test.

Talk to our penetration testing team today

Free scoping consultationNo cost
Quotation based on your scopeTailored
CREST-accredited testersANZ + Intl
Retesting of findingsAvailable

Melbourne head office

Level 6, 1 Queens Road, St Kilda Towers, Melbourne VIC 3004 1300 854 340

penetration testing in Sydney from our Martin Place office

Why Borderless CS?

CREST- ANZ and International Accredited Penetration Testing Provider | Manual Testing by Experienced Security Professionals |
Clear and Actionable Reporting | Retesting to Validate Remediation