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Sydney-based penetration testing, assurance reporting, and remediation validation for Australian organisations.

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Lean Security
How we deliver
AI Penetration Test
Web Application Penetration Test
Mobile Application Penetration Test
API Penetration Test
IoT Penetration Test
External Network Penetration Test
Internal Network Penetration Test
Penetration Testing as a Service (PTaaS)
OT / ICS Security Testing
Threat Modelling
Threat Advisory
AI Red Teaming
Incident Response Tabletop Exercises
Adversary Simulation
vCISO Services
Knowledge Base
Service Models
About Us
Contact Us
Partner With Us
Blog
Lean Security
How we deliver
AI Penetration Test
Web Application Penetration Test
Mobile Application Penetration Test
API Penetration Test
IoT Penetration Test
External Network Penetration Test
Internal Network Penetration Test
Penetration Testing as a Service (PTaaS)
OT / ICS Security Testing
Threat Modelling
Threat Advisory
AI Red Teaming
Incident Response Tabletop Exercises
Adversary Simulation
vCISO Services
Knowledge Base
Service Models
About Us
Contact Us
Partner With Us
Blog
How we deliver
Folder: Penetration Testing
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AI Penetration Test
Web Application Penetration Test
Mobile Application Penetration Test
API Penetration Test
IoT Penetration Test
External Network Penetration Test
Internal Network Penetration Test
Penetration Testing as a Service (PTaaS)
OT / ICS Security Testing
Folder: Strategic Advisory
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Threat Modelling
Threat Advisory
AI Red Teaming
Incident Response Tabletop Exercises
Adversary Simulation
vCISO Services
Knowledge Base
Service Models
Folder: Company
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About Us
Contact Us
Partner With Us
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Lean Security

Senior-led penetration testing and assurance for systems that keep changing.

We help Australian organisations validate security risk with expert manual testing, audit-ready evidence, practical remediation advice, and delivery that fits into the tools your team already uses.

Start with a scoped conversation

Email: info@leansecurity.com.au Phone: +61 (2) 8078 6952 Location: Level 1, 63-73 Ann Street, Surry Hills, NSW 2010 Book a Scoping Call
Manual Testing

Senior security consultants, not automated scan hand-offs.

Audit Evidence

Board-ready reports, risk ratings, and formal attestations.

Retesting

Remediation validation and clear closure evidence.

Workflow Fit

Findings prepared for Jira, Slack, Teams, and engineering workflows.

Penetration Testing

  • Web Application Penetration Testing
  • API Penetration Testing
  • Mobile Application Testing
  • External Network Testing
  • Internal Network Testing
  • AI Penetration Testing

Assurance & Advisory

  • How We Deliver
  • Ongoing Assurance
  • Threat Modelling
  • Threat Advisory
  • Tabletop Exercises
  • Adversary Simulation

Company

  • About Lean Security
  • Partner With Us
  • Knowledge Base
  • Research & Articles
  • Contact Us
Lean Security. Specialist cybersecurity consulting based in Sydney, Australia.
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