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Lean Security

Penetration Testing
AI Penetration Test
Web Application Penetration Test
Mobile Application Penetration Test
API Penetration Test
IoT Penetration Test
External Network Penetration Test
Penetration Testing as a Service (PTaaS)
Strategic Advisory
Threat Modelling
Bespoke Threat Advisory Service
AI Red Teaming
Adversary Simulation (Red & Purple Teaming)
Executive Cyber Warfare Simulation & Incident Response Testing
Virtual CISO (vCISO) Services
Knowledge Base
Prices
Company
About Us
Why Us
Partners
Blog
Contact Us
April 3, 2026
Pen Testing
Lean Security Expert
The 2026 Shift from Annual Compliance to ...

Upgrade from annual pen tests to continuous penetration testing services in Australia. Discover 2026 red teaming trends, PTaaS, and expert security assessments.

The 2026 Shift from Annual Compliance to Continuous Penetration Testing and Red Teaming in Australia
March 1, 2026
Lean Security Expert
Cisco SD-WAN Zero-Day (CVE-2026-20127): Deep ...

Discover how threat actors exploit the critical CVE-2026-20127 Cisco SD-WAN vulnerability. Learn IoCs, remediation steps, and how penetration testing secures your network.

Cisco SD-WAN Zero-Day (CVE-2026-20127): Deep Dive & Fix
January 11, 2026
Lean Security Expert
The ToolShell Crisis: Why Your SharePoint ...

The Australian Cyber Security Centre has issued urgent warnings about actively exploited vulnerabilities in Microsoft SharePoint Server (CVE-2025-53770) that enable unauthenticated remote code execution. With Chinese state-aligned actors and ransomware groups already compromising Australian organisations, this threat represents an immediate and severe risk to business-critical data and infrastructure.

The ToolShell Crisis: Why Your SharePoint Server Is a Ticking Time Bomb
December 27, 2025
Lean Security Expert
Why Long-Lived Cloud Credentials Are Your ...

Across AWS, Google Cloud, and Microsoft Azure environments in Australia and globally, 59% of IAM users maintain access keys that have never expired—credentials that have been active for more than one year. These long-lived credentials represent a silent but catastrophic vulnerability in your cloud infrastructure. This blog explores why long-lived credentials have become the primary attack vector for identity-based breaches, how red teams exploit them during penetration tests, and what you must do today to eliminate this ticking time bomb.

Why Long-Lived Cloud Credentials Are Your Biggest Identity Risk in 2025
December 21, 2025
Lean Security Expert
Fortinet "Ghost Logins": How Authentication ...

Critical authentication bypass vulnerabilities in Fortinet FortiGate and related products (CVE-2025-59718 and CVE-2025-59719) are now under active attack, allowing "ghost" SSO logins that completely sidestep normal controls and logs. For Australian organisations, this is more than a VPN or firewall problem – it is a board-level exposure that directly tests whether your external penetration testing, internal penetration testing, and red team assessment services are capable of simulating SSO abuse, identity takeovers, and lateral movement across hybrid networks.

Fortinet "Ghost Logins": How Authentication Bypass Attacks Expose Gaps in Your Penetration Testing Strategy
Lean Security Expert
November 23, 2019

A Beginner’s Guide to External Penetration Testing

Lean Security Expert
November 23, 2019
A Beginner’s Guide to External Penetration Testing

Here’s a useful beginner’s guide to external penetration testing.

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Lean Security Expert
November 20, 2019

Professional Malware Detection Service: Why Is It Important?

Lean Security Expert
November 20, 2019
Professional Malware Detection Service: Why Is It Important?

Let’s learn why it is so important to hire professional malware detection services for your business: 

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Lean Security Expert
November 10, 2019

Me Confused: What’s the Difference Between Mobile And Web Application Penetration Testing?

Lean Security Expert
November 10, 2019
Me Confused: What’s the Difference Between Mobile And Web Application Penetration Testing?

In this blog, you can read about how mobile and web application penetration testing contrast from one another.

1 Comment
Lean Security Expert
November 6, 2019

5 Best Practices For Choosing a Penetration Testing Company

Lean Security Expert
November 6, 2019
5 Best Practices For Choosing a Penetration Testing Company

Here are five best practices for hiring the right penetration testing company:

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Lean Security Expert
October 14, 2019

Effects of Malware on Websites [Infographics]

Lean Security Expert
October 14, 2019
Effects of Malware on Websites [Infographics]

Check out the effects of malware on website.

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Lean Security Expert
October 5, 2019

Is Your “Secure” Password Policy Actually Secur

Lean Security Expert
October 5, 2019
Is Your “Secure” Password Policy Actually Secur

Is Your “Secure” Password Policy Actually Secure, read on to know.

Comment
Lean Security Expert
October 2, 2019

Me Confused: What’s the Difference Between Vulnerability Assessment and Pen Testing

Lean Security Expert
October 2, 2019
Me Confused: What’s the Difference Between Vulnerability Assessment and Pen Testing

Vulnerability assessment and pen testing are very different from each other, read how:

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Lean Security Expert
September 30, 2019

A Business Owner’s Basic Guide to Pen Testing

Lean Security Expert
September 30, 2019
A Business Owner’s Basic Guide to Pen Testing

Pen testing, short for penetration testing, has never been more important than it is today. Here’s a basic guide for you;

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Lean Security Expert
September 25, 2019
Network Security

Bots, Bots Everywhere: 5 Largest DDoS Attacks in the History of the Internet

Lean Security Expert
September 25, 2019
Network Security
Bots, Bots Everywhere: 5 Largest DDoS Attacks in the History of the Internet

We know how a DDoS attacks can overwhelm a system’s resources and take it down to the ground.  

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Lean Security Expert
August 29, 2019

Introduction to Penetration Testing

Lean Security Expert
August 29, 2019
Introduction to Penetration Testing

Cyber attacks are becoming increasingly common. There, it has become necessary to keep networks secure.

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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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