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Expert Penetration Testing Services in Sydney | Lean Security

Red Teaming
AI Red Teaming
Threat Modelling
Penetration Testing
AI Penetration Test
Web Application Penetration Test
Mobile Application Penetration Test
API Penetration Test
IoT Penetration Test
External Network Penetration Test
Markets
eCommerce Security
Online Gaming Security
SaaS Application Security
Healthcare Applications Security
Financial Application Security
Internet of Things (IoT) Security
Digital Media Security
Education & EdTech
Government & Public Sector
Critical Infrastructure & Industrial (OT/ICS)
Prices
Company
About Us
Why Us
Partners
Articles, Knowledge Base
Blog
Contact Us
October 25, 2025
Lean Security Expert
Beyond the Patch: Why the Actively Exploited ...

Actively exploited WSUS flaw CVE-2025-59287 (CVSS 9.8) threatens Australian businesses. Patching isn't enough. See why red teaming is essential to validate your security.

Beyond the Patch: Why the Actively Exploited WSUS Vulnerability (CVE-2025-59287) Demands a Red Team Response in Australia
October 12, 2025
Lean Security Expert
Oracle EBS Zero-Day CVE-2025-61882: Australian ...

Critical Oracle EBS zero-day CVE-2025-61882 actively exploited. Australian firms face data theft. Move beyond patching to proactive red teaming & security.

Oracle EBS Zero-Day CVE-2025-61882: Australian Threat
September 27, 2025
Lean Security Expert
ACSC HIGH ALERT: Your CI/CD Pipeline is the New ...

The ACSC has issued a high alert on attacks against Australia's software supply chain. Adversaries are no longer just targeting your live systems; they are infiltrating the "factory" where your software is built. We simulate these advanced, multi-stage attacks to validate your defences against this critical threat.

ACSC HIGH ALERT: Your CI/CD Pipeline is the New Frontline. Are You Prepared for a Supply Chain Attack?
September 15, 2025
Lean Security Expert
ACSC ALERT: Is Your SonicWall VPN an Open Door ...

The ACSC confirms the Akira ransomware group is actively exploiting SonicWall VPNs to breach Australian businesses. Patching is not enough—attackers are bypassing the fix. With Australia's new mandatory reporting laws, this technical vulnerability can quickly become a regulatory and legal disaster.

ACSC ALERT: Is Your SonicWall VPN an Open Door for Akira Ransomware in Australia?
September 14, 2025
Lean Security Expert
AI-Powered Red Teaming: Is Your Australian ...

Attackers are now weaponising AI to create faster and more evasive attacks, making traditional security playbooks obsolete. To defend against AI, you must use AI. We leverage adversarial AI and advanced red teaming to prepare your business for the next generation of sophisticated threats.

AI-Powered Red Teaming: Is Your Australian Business Ready for the New Threat Landscape?
Lean Security Expert
September 19, 2025

Managed Web Vulnerability Scanning vs. Manual Testing: Which One is Right for You?

Lean Security Expert
September 19, 2025
Managed Web Vulnerability Scanning vs. Manual Testing: Which One is Right for You?

Vulnerability scanning services provide speed and consistency, while penetration testing companies deliver depth and real-world attack simulations. Which method does your business need most right now?

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Lean Security Expert
September 15, 2025

Building a Resilient Web Security Platform: What Enterprises Should Look For

Lean Security Expert
September 15, 2025
Building a Resilient Web Security Platform: What Enterprises Should Look For

Building a resilient web security platform starts with understanding risks. From risk assessment solutions to proactive testing, enterprises must strengthen defenses before attackers strike. Is your organization ready?

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Lean Security Expert
September 15, 2025

ACSC ALERT: Is Your SonicWall VPN an Open Door for Akira Ransomware in Australia?

Lean Security Expert
September 15, 2025
ACSC ALERT: Is Your SonicWall VPN an Open Door for Akira Ransomware in Australia?

The ACSC confirms the Akira ransomware group is actively exploiting SonicWall VPNs to breach Australian businesses. Patching is not enough—attackers are bypassing the fix. With Australia's new mandatory reporting laws, this technical vulnerability can quickly become a regulatory and legal disaster.

Comment
Lean Security Expert
September 14, 2025

AI-Powered Red Teaming: Is Your Australian Business Ready for the New Threat Landscape?

Lean Security Expert
September 14, 2025
AI-Powered Red Teaming: Is Your Australian Business Ready for the New Threat Landscape?

Attackers are now weaponising AI to create faster and more evasive attacks, making traditional security playbooks obsolete. To defend against AI, you must use AI. We leverage adversarial AI and advanced red teaming to prepare your business for the next generation of sophisticated threats.

Comment
Lean Security Expert
September 12, 2025

Source Code Security Assessment in the Cloud: Benefits, Risks, and Best Practices

Lean Security Expert
September 12, 2025
Source Code Security Assessment in the Cloud: Benefits, Risks, and Best Practices

Protect your development pipeline with proactive scanning, expert reviews, seamless CI/CD integration, maximize security, and reduce risk with Source Code Security Assessment in the Cloud.

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Lean Security Expert
September 8, 2025

The Future of Mobile App Security Testing in an API-Driven World

Lean Security Expert
September 8, 2025
The Future of Mobile App Security Testing in an API-Driven World

Secure your interconnected mobile and API ecosystems with proactive mobile application security testing, vulnerability scanning, and managed services to protect data and ensure regulatory compliance.

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Lean Security Expert
September 5, 2025

How Managed Security Services Can Reduce Operational Costs Without Sacrificing Protection

Lean Security Expert
September 5, 2025
How Managed Security Services Can Reduce Operational Costs Without Sacrificing Protection

Cut security costs without cutting corners. Learn how managed security services deliver scalable, cost-effective protection that boosts ROI for businesses of all sizes.

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Lean Security Expert
September 2, 2025

Beyond the Basics: Advanced Security Testing Techniques for 2025 Threats

Lean Security Expert
September 2, 2025
Beyond the Basics: Advanced Security Testing Techniques for 2025 Threats

Learn about the latest security testing techniques for 2025 threats, including AI-driven assessments, adaptive testing, and red teaming, to strengthen enterprise cyber defenses.

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Lean Security Expert
August 29, 2025

WAFs Aren’t Enough: Why You Still Need a Web Application Scanning Strategy

Lean Security Expert
August 29, 2025
WAFs Aren’t Enough: Why You Still Need a Web Application Scanning Strategy

WAFs are not a complete security solution. Read this piece to learn why, even with a WAF-managed service, you still need a web application scanning strategy to stay protected.

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Lean Security Expert
August 25, 2025

The True Cost of Skipping Website Penetration Testing

Lean Security Expert
August 25, 2025
The True Cost of Skipping Website Penetration Testing

Discover the financial, legal, and reputational risks of neglecting website penetration testing—and why every business needs a reliable penetration testing service in place.

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Lean Security, 81-83 Campbell Street, Surry Hills, NSW, 2010, Australia+61 (2) 8078 6952info@leansecurity.com.au

About Lean Security

We are a specialist cybersecurity firm based in Sydney, focusing on penetration testing. We partner with organisations across Australia, providing expert-led testing and clear, actionable reports. Our goal is to give you the clarity and confidence needed to secure your digital assets.

     
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