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Expert Penetration Testing Services in Sydney | 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
November 12, 2025
Lean Security Expert
CISA Alert: LANDFALL Spyware Hits Australian ...

A zero-click vulnerability, CVE-2025-21042, in millions of Samsung devices is being actively exploited to install "LANDFALL," a commercial-grade spyware. This threat, now on CISA's KEV catalog , transforms an executive's personal device into a silent corporate surveillance tool, completely bypassing your MDM and EDR. For Australian organisations with BYOD policies, this is a critical, reportable data breach scenario under the NDB scheme.

CISA Alert: LANDFALL Spyware Hits Australian BYOD Devices
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?
Lean Security Expert
October 7, 2021

Game On — Why Cyber Security Protects your Game’s Image

Lean Security Expert
October 7, 2021
Game On — Why Cyber Security Protects your Game’s Image

Here’s why cyber security services are crucial for the gaming community and game manufacturers in 2021 with the emergence of new security threats.

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Lean Security Expert
September 19, 2021

The Importance of Cyber Security in Digital Marketing

Lean Security Expert
September 19, 2021
The Importance of Cyber Security in Digital Marketing

Marketers can’t ignore the importance of cyber security in digital marketing. Let’s look at how a robust cyber security mechanism should be a part of your marketing strategy.

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Lean Security Expert
September 16, 2021

The Financial Benefits of Managed IT Services

Lean Security Expert
September 16, 2021
The Financial Benefits of Managed IT Services

Managed security services can have a lot of benefits to an organization. Learn more about the financial benefits of managed IT services.

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Lean Security Expert
August 31, 2021

How to Ensure Mobile Application Security

Lean Security Expert
August 31, 2021

Here is how you can protect your mobile application

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Lean Security Expert
August 23, 2021

Why Is Online Gaming Security Important?

Lean Security Expert
August 23, 2021
Why Is Online Gaming Security Important?

Learn how you and your friends are at risk of potential attacks during your online games.

1 Comment
Lean Security Expert
August 19, 2021

How To Secure Your Digital Media Accounts

Lean Security Expert
August 19, 2021
How To Secure Your Digital Media Accounts

Learn how you can keep your social media accounts safe and secure from any potential threats or hackers with tips from penetration testing companies.

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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, 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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