What Are the Best CREST-Accredited Penetration Testing Services Available in Australia?

Securing digital assets in today’s threat landscape requires stringent and independent verification of security assessments. Enterprise buyers, cyber insurance companies, and regulatory authorities depend on CREST-accredited penetration testing services in Australia to ensure technical competency, high ethical standards, and audit ready reporting.

Leading CREST-approved cybersecurity companies in the region, like CyberCX, Qualysec, Sekuro, and Tesserent, have the most experienced and certified human led testing experts to identify critical vulnerabilities in web applications, cloud environments, APIs, and network infrastructure. This guide assesses the best CREST-certified security testing services in Australia for 2026 to enable organisations to comply with APRA CPS 234, the Essential Eight, and the SOCI Act.

Cyber pressure is ramping up for Australian organisations. In October 2025, the Australian Signals Directorate (ASD) published its Annual Cyber Threat Report 2024-25, which reported over 84,700 cybercrime incidents during the year. This equates to about one report for every six minutes.

Its costs are mounting quickly. The number of cybersecurity incidents reported to ASD’s ACSC increased by 11% compared to the same period last year, reaching more than 1200. The average self-reported cost of cybercrime per report for businesses jumped 50% to $80,850 (ASD, 2025). In large businesses, the average increased 219% to $202,700, while small businesses’ costs went up 14% to $56,600.

In this context, the trustworthiness of your security testing is paramount. Hence, CREST Accredited Penetration Testing Services in Australia are so important. The Council for Registered Ethical Security Testers (CREST) is an independent organisation that evaluates providers independently, against a demanding and audited standard. It proves that methodology, tester competency and ethical practice are in place – buyers are not getting caught up in marketing claims.

But what are the Best CREST-Accredited Penetration Testing Services in Australia for 2026, and how to select one? This guide provides the answers to both of those questions. It outlines prominent accredited providers, describes the accreditation regulations that stimulate demand and outlines how to validate accreditation. It also provides you with a practical guideline for how to choose the right partner.

What Are CREST-Accredited Penetration Testing Services?

A penetration test is an officially authorised intentional attack to discover vulnerabilities that malicious intruders can exploit. It includes systems, applications, networks, APIs and cloud environments. A vulnerability scan just provides a list of vulnerabilities. A true penetration test tries to take advantage of them to provide you with an accurate assessment of business risk.

That work is taken to a higher level with CREST accreditation. In Australia, the CREST Accredited Penetration Testing Services are provided by the separately assessed companies. Technical competence, methodology that can be repeated, and ethical frameworks are assessed by CREST. Accreditation requires that a provider have qualified testers in place, established procedures and a quality program. This will lead to testing you can trust and reporting auditors will accept.

CREST is in the process of operating in Australia under CREST ANZ, in conjunction with CREST International. The highest quality local providers are accredited under both. It’s important because Australian purchasers are increasingly considering CREST as the minimum qualification for work requiring high levels of trust and confidence. Insurance approvals, compliance and enterprise and government clients often require CREST certification; it is not an option.

There is confusion regarding the meaning of accreditation, and it is important to be clear about what it does and doesn’t provide. It verifies that a company has an independent assessment of the organisation’s effectiveness and that individuals within it have recognised qualifications. It is not a sure indicator of a good test. Hence, the Best CREST-Accredited Penetration Testing Services in Australia integrate accreditation with your own due diligence. This guide assists in the application of this.

The Australian Regulations Driving Demand

The heavy regulation in Australia is a major driver of the need for CREST Accredited Penetration Testing Services (APTS). Several frameworks mandate or strongly recommend penetration testing. The first step in scoping an engagement is to know which apply.

APRA CPS 234

The Prudential Standard CPS 234 was introduced in July 2019. It requires regulated financial entities to periodically test their information security controls to ensure they are effective, and penetration testing is one of the key methods for doing this. The CPS 234 covers about 680 financial institutions (APRA) – banks, insurers, superannuation funds and their material service providers.

The ASD Essential Eight

The Essential Eight (EE) is a maturity model to enhance cyber resilience, provided by the Australian Cyber Security Centre (ACSC). It is expected to include application-level security testing, especially Maturity Level Two and above. The Essential Eight is adopted as a minimum by many organisations in Australia, particularly in the government sector. They hire penetration tests to prove that they are mature with respect to it.

The SOCI Act and Government Standards

The Security of Critical Infrastructure (SOCI) Act requires action by critical infrastructure operators, and testing is a way to prove compliance. For government systems, the Information Security Manual control is to perform a penetration test of Internet-facing systems once a year. The IRAP assessment should be completed for providers using government data. These combined make testing a standard practice throughout the public sector and in critical infrastructure.

Privacy Act and Ransomware Reporting

Since the last inspection, the Privacy Act 1988 has been amended, and organisations are now required, under the Act, to implement reasonable measures to ensure the security of personal information. Penetration testing is regarded as best practice to fulfil that obligation. Australia has also implemented a ransomware reporting framework for businesses with a turnover of more than AUD$3 million and critical infrastructure operators. Proactive testing means that organisations do not end up being a statistic.

The Best CREST-Accredited Penetration Testing Providers in Australia

The following providers are well-known and provide services offering CREST Accredited Penetration Testing Services for Australia. This is not a pay-to-place ranking, but rather an indication of the depth of accreditation, local presence and suitability for the typical Australian buyer profile. Before any engagement, please verify current accreditation on the CREST member directory.

1. Qualysec Technologies

Qualysec is a CREST-approved cybersecurity provider specialising in manual VAPT for Australian and international clients. It offers web, mobile, API, AI application, cloud, network and IoT security testing backed by comprehensive manual exploitation. Qualysec’s reports are detailed and developer-friendly, with zero false positives, audit-ready, and aligned with ISO 27001, SOC 2, PCI DSS, GDPR and APRA CPS 234 standards. Qualysec is the best solution for fintechs, SaaS providers and enterprises that require high assurance security testing.

2. CyberCX

CyberCX is the biggest home-grown cyber security company in Australia that was created from a number of leading cyber security consultancies in 2021. It provides an extensive penetration testing practice in a wide security portfolio. It has great programme work on APRA CPS234 and the Essential Eight. CyberCX has extensive local reach and scale, making it ideal for large organisations, government departments and regulated organisations. These are buyers who seek a wide range of offensive, defensive and advisory services.

3. Sekuro

Sekuro is a Melbourne-based security consultancy that combines penetration testing with a comprehensive risk management approach to security. It tests in a realistic attacker environment with a focus on business impact and not just on the findings. Sekuro is CREST accredited and has worked with compliance-driven clients who want offensive testing to be considered under the umbrella of enterprise risk and advisory. Its team is all about real-world results.

4. Tesserent (Thales)

A familiar name in Australia’s cyber services sector, Tesserent, a part of the Thales group, provides penetration testing in a broad range of offerings. CREST accredits it for penetration testing, and it is ISO 27001 certified. Clients mention knowledgeable security pros and excellent continuous remediation advice. Supported by Thales’ global scale, Tesserent is the solution for enterprise and government clients looking for comprehensive technical testing and backed by a big financial resource and team.

5. Content Security

Content Security has been around in Australia since the early 2000s, and is also one of the older established cyber security consultancies to have a penetration testing practice. It supports enterprise, financial services and Australian Government clients and has a wide range of services across a diverse portfolio from offence to defence and managed services. Its long-standing local track record and relationships make it a good option for organisations who appreciate experience and continuity.

6. Pure Security

Pure Security is a long-established Australian Cyber Security consultancy firm with a proven penetration testing practice. Provides offensive security, defensive security and managed security services to Australian enterprise, mid-market and government clients. Pure Security has an excellent history in financial services, health care and education, making it appealing to many buyers. It’s suitable for organisations that require a local provider who has extensive enterprise relationships.

7. Borderless CS

Borderless CS is an Australian consultancy that both CREST ANZ and CREST International accredit. It claims to be a high-end, high-trust provider of offensive security. It targets regulated industries and Australian-headquartered businesses, and includes full testing of networks, applications, cloud and APIs. Borderless CS is ideal for organisations requiring a compliance-based, audit-ready result that is enterprise-grade and dual-accredited.

8. Bugcrowd

Established in Australia in 2012, Bugcrowd was the first to apply the crowdsourced security model, providing both managed bug bounty programs and crowd-powered penetration testing. It has a community of vetted ethical hackers all over the world, so it offers widespread, continuous protection against web and API attack surfaces. Bugcrowd is ideal for technology firms that are not afraid of a crowdsourced solution, and prefer constant testing that can be scaled and happens continuously, without having to end an engagement with another party.

The Australian market also features the Big Four, specialist international players and numerous excellent boutiques. The aim of a shortlist is never to crown one winner. It aims to assist you in finding a reliable CREST Penetration Testing service provider in Australia that helps you meet your specific requirements and deliver outstanding results.

Provider Comparison at a Glance

Each provider is summarised in the table below. It serves as a starting point, and once you’ve done that, check the accreditation and get sample reports before making your choice.

Need penetration testing that satisfies APRA, the Essential Eight, and enterprise buyers? Qualysec provides comprehensive manual testing combined with clear reporting based on evidence and aligned to the standards auditors require. 

Why Australian Businesses Should Choose a CREST-Accredited Provider

Choosing one of the CREST Accredited Penetration Testing Services in Australia delivers advantages a non-accredited firm cannot guarantee. The advantages listed below are what make CREST the Australian procurement yardstick for serious work.

• Independent verification. You purchase verified capability rather than marketing claims, as CREST judges a provider’s methodology, data handling and tester competence.
• Acceptance by regulators and insurance companies. CREST accreditation is often a requirement by regulators, insurers and enterprise procurement teams, which unlocks contracts and due diligence.
• Audit-ready reporting. CREST reports are useful for auditors and are used in APRA CPS 234 evidence packs, Essential Eight assessments, ISO 27001 and PCI DSS.
• Local threat understanding. Australian CREST providers are likely to be familiar with local compliance requirements and threats to Australian organisations – far better than that of an overseas provider.
• Consistent quality. Accredited companies have already proven to have a reliable process and will repeat it, and this means that you will not get inconsistent results, just a reliable one.
• Accountability. CREST members have complaints and escalation policies for the benefit of the buyers that make them enforceable should there be a concern during an engagement.

But there is a hard truth that makes the quality of the provider matter: According to a study of the industry, approximately 48% of vulnerabilities found during penetration testing will be patched. The Best CREST-Accredited Penetration Testing Services in Australia tackle this head-on. They deliver business-contextual, prioritised reporting and remediation support, which results in findings being addressed, not buried.

What Services Do These Providers Offer?

The Best CREST-Accredited Penetration Testing Services in Australia are not just about a single type of penetration testing. Knowing the choices helps you define the engagement for your systems in the right manner.

• Web application testing: Testing of web applications for OWASP Top 10 vulnerabilities, business logic issues, and authentication vulnerabilities.
• Network penetration testing: external testing of infrastructure that is exposed to the Internet and internal testing of what an attacker may be able to do once inside.
• API penetration testing: testing REST and GraphQL endpoints for authorisation issues, injection and logic abuse.
• Mobile app security testing: Testing of mobile applications on both the iOS and Android platforms for insecure storage, weak encryption and platform-specific vulnerabilities.
• Cloud security testing: Reviewing AWS, Azure, and hybrid configurations against secure baselines, a growing priority as Australian organisations move to cloud.
•  Red teaming and adversary simulation: goal-based, multi-stage attacks that test detection and response, not just prevention.
• Social engineering: Phishing and Pretext testing to evaluate the Human Attack surface, a typical entry point to breaches.

Many providers also offer managed security services, compliance advisory and retesting. When assessing CREST Accredited Penetration Testing Services in Australia, be sure to compare the range of services to your environment. Fintechs must have robust web, API, and cloud infrastructure. OT-aware testing and red teaming, based on the SOCI Act, may be required for a critical infrastructure operator.

How to Verify a CREST-Accredited Penetration Testing Company

Accreditation is important, and some do not adequately exaggerate it. The process of verifying to provide CREST Accredited Penetration Testing Services in Australia is simple and only takes a few minutes. It protects you from misplaced trust.

Check the Official CREST Member Directory

Begin at the source. The member directory on CREST includes accredited companies; you can search the directory directly to ensure that a provider is included. Verify their accreditation in which region: CREST ANZ, CREST International or both. If a provider says that it is accredited but has not been listed, require it to tell you why before proceeding.

Confirm the Scope of Accreditation

CREST can accredit firms for specific disciplines. Penetration Testing, Incident Response and Security Operations are distinct certifications. Ensure that the company is not just a CREST member for another service, but is a CREST accredited company for penetration testing. This matches accreditation with work and helps to avoid a widely-occurring and expensive misinterpretation.

Check Individual Tester Certifications

Company accreditation is important; however, so are the individuals involved in your engagement. Inquire about which testers will be doing the work and if any of them have certifications. Check for the registered and certified titles of CREST or the OSCP, OSCE. It is possible to be a firm and still have the underlings (juvenile staff) on the job, so check the staff on the test are suitably qualified.

Ask for a Redacted Sample Report

The best way to review is to see one first, as this is the product that you will be purchasing. A strong report should have a clear executive summary, business impact context, severity rating, reproduction steps and prioritised remediation advice. You will not be able to get much use out of your sample if it looks like a raw scanner output. That will not be solved by having a status of accreditation.

How Often Should Penetration Testing Be Conducted in Australia?

Testing can take place on a regular or as-needed basis based on your regulatory requirements and rate of change. The advice below is based on the expectations of the Australian regulatory frameworks.

• At least annually. It is the baseline for the Essential Eight, ISO 27001, ISM-1163 for internet-facing government systems, and across APRA CPS 234.
• After significant change, all of these new applications, big feature releases, cloud moves, infrastructure changes, and mergers bring risk and require new assessments for testing.
• Systematically, not once-off. APRA is looking for a testing program and continuous validation of the effectiveness of controls over time.
• Continuously for fast-moving teams. For organisations that deploy continuously or in the PTaaS model, continuous testing or testing as needed is the best option to spot vulnerabilities as they arise.

This approach is based on a set of requirements which includes a baseline test performed annually, triggered when a major change occurs and additional testing at more frequent intervals for high-risk, internet-facing systems. Plan and execute CREST Accredited Penetration Testing Services in Australia in sync with the calendar and change pipeline. That will keep you secure between formal assessments.

Conclusion

Australian organisations can’t afford for their security testing to be lax, as cybercrime is reported every six minutes and business costs are up 50% year on year. The CREST Accredited Penetration Testing Services in Australia listed here cover the largest local companies, risk-motivated consultancies and specialists. The correct answer is not the best; it is the answer for your industry, scope and compliance needs.

If you are considering choosing the Best CREST-Accredited Penetration Testing Services in Australia for your organisation, you should begin by looking at the checks that are relevant. Check accreditation on the CREST directory, make sure that penetration testing is included in scope, verify individual tester credentials and view a sample report. Match the provider’s sector experience and services to your needs. These are more important than rankings, and they show if they will actually execute.

Although not a charter of perfection, CREST is the most effective independent indicator of quality in the Australian market. It adds to your own effort, makes your testing extremely thorough and allows your report to be believable. Regulators, insurers and customers will accept the outcome. In the roiling threat landscape of 2026, it is a sound investment.

Ready to book a penetration test that reports the way Australian auditors expect? Qualysec provides manual testing that is independent, severity rated, compliance ready and retesting post remediation. Contact Qualysec to request a penetration testing quote today.

Frequently Asked Questions

What are CREST-accredited penetration testing services?

International accreditation body CREST accredits firms for their delivery of CREST Accredited Penetration Testing Services in Australia. Accreditation ensures the methodology, data handling and competence of the tester comply with global standards. It guarantees that Australian consumers can trust tests are robust, ethical and meet an accepted, auditable standard.

Why should Australian businesses choose a CREST-accredited provider?

You are not relying on claims of marketing; it is a provider that has been through an independent, audited assessment and has been accredited by CREST. It is often a requirement of regulators, insurers and enterprise procurement teams. When considering one of the Best CREST-Accredited Penetration Testing Services in Australia, the uncertainty of the buyer is lessened. It is also used to create reporting that auditors accept for APRA CPS 234, the Essential Eight, and ISO 27001.

Which industries in Australia require CREST penetration testing?

It is most obviously needed in financial services under APRA CPS 234, and critical infrastructure under the SOCI Act. Under the ISM government does too. This also applies to healthcare, education, and any business that deals with sensitive personal information. Many enterprise customers are now demanding CREST Accredited Penetration Testing Services in Australia from their vendors as a requirement of the sale.

How do I verify a CREST-accredited penetration testing company?

To ensure that the provider is listed, please refer to the official member directory of CREST and identify if the provider has a CREST ANZ or CREST International membership or both. Check that penetration testing is part of the accreditation, rather than a “service”. Then review individual certifications of testers, and consider asking for a redacted sample report prior to any engagement.

How often should penetration testing be conducted in Australia?

At least once a year and following any major changes, like moving to a new application, cloud migration or infrastructure changes. APRA CPS 234 is looking for a testing program, not just an assessment. If you’re facing the Internet at high risk or at high speed, then more frequent or periodic testing is recommended, again depending on your compliance requirements and risk.