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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
Strategic Advisory
Threat Modelling
Bespoke Threat Advisory Service
AI Red Teaming
Adversary Simulation (Red & Purple Teaming)
Knowledge Base
Prices
Company
About Us
Why Us
Partners
Blog
Contact Us
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
December 6, 2025
Lean Security Expert
React2Shell: A CISO’s Guide to CVE-2025-55182

A new security flaw called React2Shell (CVE-2025-55182) puts Australian businesses at extreme risk. It has a severity score of CVSS 10.0, which is the highest possible rating. This flaw lets hackers take full control of your servers without needing a password. It affects the popular tools React and Next.js.

React2Shell: A CISO’s Guide to CVE-2025-55182
November 26, 2025
Lean Security Expert
SessionReaper & BFCM: Why Penetration ...

A critical vulnerability in Adobe Commerce and Magento (CVE-2025-54236), dubbed "SessionReaper," is being ruthlessly exploited by threat actors using AI-driven tools to automate attacks at machine speed. With the Australian holiday trading season in full swing, this unauthenticated remote code execution (RCE) flaw poses an immediate existential threat to retail and B2B organizations. This alert outlines the mechanics of the attack, the role of AI in its weaponization, and the urgent defensive actions required to prevent a catastrophic data breach.

SessionReaper & BFCM: Why Penetration Testing Services Are Critical (CVE-2025-54236)
Lean Security Expert
July 25, 2021

How Can Online Gaming Be Used To Scam The Youth

Lean Security Expert
July 25, 2021
How Can Online Gaming Be Used To Scam The Youth

Online games have become a hub for scams. Here's how scammers operate in these virtual spaces.

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Lean Security Expert
July 20, 2021

4 Ways To Protect Your E-Commerce Website

Lean Security Expert
July 20, 2021
4 Ways To Protect Your E-Commerce Website

Strengthen consumer confidence by protecting your E-commerce website in these four ways.

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Lean Security Expert
July 2, 2021

Ensure Phone Security

Lean Security Expert
July 2, 2021

Here’s how you can ensure your phone’s security.

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Lean Security Expert
June 26, 2021

How to Safeguard Your Data Against Malware

Lean Security Expert
June 26, 2021
How to Safeguard Your Data Against Malware

Here are a few tips to safeguard your data against malware.

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Lean Security Expert
June 21, 2021

Cyber Crime in the Post Pandemic Era: All You Need to Know

Lean Security Expert
June 21, 2021
Cyber Crime in the Post Pandemic Era: All You Need to Know

The recent pandemic has led a lot of entrepreneurs to digitalize their businesses. But that isn't without its challenges. Learn more here.

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Lean Security Expert
June 18, 2021

Revolutions in the Cyber Security Industry

Lean Security Expert
June 18, 2021
Revolutions in the Cyber Security Industry

The cybersecurity industry is constantly growing. Recently there have been some major revolutionary breakthroughs in the industry. Learn more about them here.

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Lean Security Expert
May 17, 2021

Ensure Online Gaming Security

Lean Security Expert
May 17, 2021
Ensure Online Gaming Security

Here’s how you can ensure online gaming security

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Lean Security Expert
May 15, 2021

4 Ways Your Computer Can Be Exposed To Malware While Working From Home

Lean Security Expert
May 15, 2021

Work from home has become increasingly common, but so have the threats associated with it. Here is how you may be vulnerable.

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Lean Security Expert
May 10, 2021
mobile app security

Ways You “Agreed” To Privacy Invasion Through Apps On Your Phone

Lean Security Expert
May 10, 2021
mobile app security
Ways You “Agreed” To Privacy Invasion Through Apps On Your Phone

Privacy of data is a big concern in the Information Age. Here is how you may be giving it away on your phone.

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Lean Security Expert
April 6, 2021

Tips to Improve Your Vulnerability Scans

Lean Security Expert
April 6, 2021
Tips to Improve Your Vulnerability Scans

This blog post will explain how you can improve your cyber security scans.

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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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