CyberAtlasAustralia

Best Managed Security Services Companies in Sydney, NSW

Find and compare verified managed security services providers in Sydney, NSW. Browse specialist vendors with deep expertise in 24/7 security monitoring, threat detection, and incident response through outsourced security operations centres — serving Sydney businesses and beyond.

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C

CyberCX

Verified

Australia's largest sovereign cybersecurity services provider.

4.7(47)
managed security servicespenetration testingincident response+2 more
Sydney, Melbourne +3·Est. 2019
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Sekuro

Verified

End-to-end cyber resilience for enterprise Australia.

4.8(31)
managed security servicespenetration testingsecurity consulting+2 more
Sydney, Melbourne +1·Est. 2016
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Tesserent

Verified

Full-spectrum cybersecurity by Thales across Australia and New Zeala…

4.6(28)
managed security servicescompliance grcpenetration testing+1 more
Melbourne, Sydney +3·Est. 2016
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H

Huntsman Security

Verified

Data-driven cyber risk management for government and critical infras…

4.6(19)
managed security servicescompliance grcnetwork security
Sydney, Canberra·Est. 1999
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I

Infotrust

VerifiedEnhanced

Australia's leading ASX-listed technology and cybersecurity services…

4.4(18)
managed security servicespenetration testingnetwork security+1 more
Perth, Sydney +1·Est. 2004
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K

Kordia

VerifiedEnhanced

Critical communications and cybersecurity for Australia's most impor…

4.4(13)
managed security servicesnetwork securitypenetration testing
Sydney, Brisbane·Est. 2006
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M

Macquarie Government

VerifiedEnhanced

Government-grade cloud and cybersecurity for Australian agencies.

4.5(8)
managed security servicescloud securitycompliance grc
Sydney, Canberra·Est. 2012
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A

AC3

VerifiedEnhanced

Secure technology services for Australia's mission-critical environm…

4.3(21)
managed security servicescloud securitycompliance grc
Sydney, Melbourne·Est. 1999
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T

The Missing Link

IT and cybersecurity solutions for Australian business.

4.2(9)
managed security servicescloud securitycompliance grc
Sydney·Est. 1997
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I

Interactive

Managed IT and security services for Australian enterprise.

4.1(11)
managed security servicesendpoint securityidentity access management
Melbourne, Sydney +1·Est. 1988
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D

Datacom Cyber

Enterprise cybersecurity services from one of ANZ's largest IT compa…

4.1(7)
managed security servicescloud securitycompliance grc+1 more
Sydney, Melbourne +2·Est. 1965
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Frequently Asked Questions

How do I find a trusted managed security services company in Sydney?

Use CyberAtlas to browse verified managed security services providers in Sydney, NSW. Every listing is manually reviewed. Filter by verified status, company size, and specific services to shortlist candidates.

How much does managed security services cost in Sydney?

Pricing varies widely depending on scope, company size, and complexity. In Sydney, expect to pay anywhere from $5,000 for a small engagement to $250,000+ for enterprise-grade programs. Request quotes from multiple providers to benchmark.

What certifications should a managed security services provider in Sydney hold?

For Australian engagements, look for CREST certification (offensive security), ISO 27001 accreditation (consulting), and ASD Partnership status (government work). IRAP assessors must be certified by ASD.