Best Security Consulting Companies in Sydney, NSW
Find and compare verified security consulting providers serving Sydney businesses. Security consulting covers the strategic and advisory layer of cybersecurity: developing security strategies, designing architectures, providing CISO-as-a-service, leading transformations, and advising boards and executives on cyber risk. For organisations that need expert guidance without hiring a full-time CISO, or that are navigating a complex security challenge, a specialist consulting firm provides the experience and independence that internal teams often can't.
Sydney is Australia's largest commercial hub and has the highest concentration of cybersecurity providers in the country. Competition is strong, which means buyers have more choice — but also more due diligence to do.
CyberCX
VerifiedAustralia's largest sovereign cybersecurity services provider.
Gridware
VerifiedEnhancedSpecialist incident response and digital forensics across Australia.
Privasec
The security consulting firm that became Sekuro.
Sekuro
End-to-end cyber resilience for enterprise Australia.
Aura Information Security
Expert penetration testing and security advisory across Australia.
Bastion Security Group
Physical and cyber convergence security for Australian enterprise.
Penten
High-assurance cybersecurity for Australia's most sensitive environm…
CQR Consulting
Independent cybersecurity consulting and penetration testing from Sy…
Cevo Australia
Cloud engineering and security for the modern enterprise.
Versent
Australian cloud and security transformation specialists.
Dialog Information Technology
Independent IT consulting and security for Australian business.
Comsec Group
Specialist information security consulting and testing.
UpGuard
Third-party risk and attack surface management.
IBM Security Australia
Intelligence-driven security for a hybrid cloud world.
Accenture Security Australia
Transforming security to power your organisation's resilience.
Deloitte Cyber Australia
End-to-end cyber risk and resilience for Australian organisations.
KPMG Cyber Australia
Trusted cyber risk and security advisory for Australian business.
PwC Cyber Australia
Building cyber resilience across the enterprise.
EY Cybersecurity Australia
Cybersecurity strategy, risk, and resilience for the digital age.
BDO Cyber Australia
Practical cybersecurity and risk advisory for mid-market Australia.
Protiviti Australia
Risk and compliance consulting for complex organisations.
Leidos Australia
National security and cyber solutions for the Australian government.
BAE Systems Digital Intelligence Australia
National security and intelligence-grade cyber capabilities.
Wipro Cybersecurity Australia
Integrated cybersecurity services for Australian enterprise.
TCS Cybersecurity Australia
Enterprise-grade security from a global IT leader.
Sense of Security
Trusted cybersecurity consulting since 2002 — now part of CyberCX.
What to look for in a security consulting provider
Senior practitioners with hands-on technical and executive experience — not just frameworks
Industry-specific experience relevant to your sector
Independence — consultants should be vendor-agnostic and not steered by reseller incentives
Virtual CISO (vCISO) capability for ongoing strategic advisory
Board and executive communication skills — technical findings must translate to business risk
Clearly defined deliverables and outcomes, not open-ended engagements
Sydney market context
Key industries
financial services, insurance, fintech, and ASX-listed companies
Key regulations
APRA CPS 234 and the Privacy Act 1988
Frequently Asked Questions
How do I find a trusted security consulting company in Sydney?
Use CyberAtlas to browse verified security consulting providers in Sydney, NSW. Filter by verified status, company size, and specific services. Sydney is Australia's largest commercial hub and has the highest concentration of cybersecurity providers in the country. Competition is strong, which means buyers have more choice — but also more due diligence to do. Shortlist two or three providers, request proposals, and compare on scope, methodology, and price.
How much does security consulting cost in Sydney?
Security consulting day rates in Australia range from $2,000 to $5,000+ for senior practitioners. vCISO retainers typically cost $5,000–$15,000 per month depending on hours and scope. Strategic security reviews for mid-sized organisations run $30,000–$80,000.
What certifications should a security consulting provider in Sydney hold?
CISSP, CISM, and CISA are the benchmark credentials for senior security consultants. For board-level advisory, look for consultants with MBA or governance backgrounds in addition to technical credentials. AISA membership indicates engagement with the Australian security community.
What industries in Sydney most need security consulting services?
Sydney's economy is driven by financial services, insurance, fintech, and ASX-listed companies, all of which face significant cyber risk. Regulated sectors — particularly those subject to APRA CPS 234 and the Privacy Act 1988 — have the most pressing compliance-driven requirements.
What is a virtual CISO (vCISO) and do we need one?
A vCISO is a part-time, outsourced Chief Information Security Officer who provides strategic security leadership without the cost of a full-time hire. They set strategy, manage risk, report to the board, and own the security roadmap. Ideal for organisations too large to ignore security but not yet large enough to justify a $300,000+ CISO salary.
How do we know if a security consultant is genuinely qualified?
Check credentials (CISSP, CISM), ask for references from organisations of similar size and sector, review their published work or conference presentations, and assess whether they listen before they advise. A good consultant diagnoses before prescribing. Be wary of those who propose the same solution regardless of your situation.