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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
July 29, 2019

Victim of a Vicious Malware Attack? Here’s What You Need to Do

Lean Security Expert
July 29, 2019
Victim of a Vicious Malware Attack? Here’s What You Need to Do

Here’s what you need to do to get rid of vicious malware attacks.

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Lean Security Expert
July 24, 2019

3 Potential Security Risks of Online Gaming

Lean Security Expert
July 24, 2019
3 Potential Security Risks of Online Gaming

We’ve prepared a comprehensive list of these associated risks to alarm you of the dangers that lurk around when you’re firing arms in Call of Duty.

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Lean Security Expert
July 20, 2019

4 Security Benefits of Cloud Computing

Lean Security Expert
July 20, 2019
4 Security Benefits of Cloud Computing

Here are the top 4 security benefits of cloud computing

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Lean Security Expert
July 17, 2019

Why You Need a Strong Cybersecurity Solution

Lean Security Expert
July 17, 2019
Why You Need a Strong Cybersecurity Solution

Let’s take a look at some reasons why your business needs the very best cybersecurity solution.

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Lean Security Expert
June 10, 2019

Static vs. Dynamic Code Analysis: Everything You Need to Know

Lean Security Expert
June 10, 2019
Static vs. Dynamic Code Analysis: Everything You Need to Know

Security development lifecycle (SDL) requires crafting a carefully constructed security plan, as well as code analysis—of both static and dynamic code. What do those terms mean and how are they both important? Let’s take a look. 

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Lean Security Expert
June 2, 2019

Why You Should Include QA in Your Web App Development Process

Lean Security Expert
June 2, 2019
Why You Should Include QA in Your Web App Development Process

I’s extremely important for every business owner to make sure that their web app is up to date.

How can you ensure that? The answer to this question is simple: through quality assurance.

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Lean Security Expert
May 30, 2019

6 Necessary Security Software for Small Businesses

Lean Security Expert
May 30, 2019
6 Necessary Security Software for Small Businesses

To help you fortify the security of your system, we present to you six necessary security software that you must invest in!.

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Lean Security Expert
May 26, 2019

4 Mobile Application Development Mistakes to Avoid

Lean Security Expert
May 26, 2019
4 Mobile Application Development Mistakes to Avoid

To prevent this from happening, you should make sure you avoid making these mistakes in your mobile application development process.

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Lean Security Expert
May 24, 2019

The Impact of Data Breaches on Customer Loyalty

Lean Security Expert
May 24, 2019
The Impact of Data Breaches on Customer Loyalty

Theft of critical information, damage to property, disruption of operations and most importantly, could lead to loss of customer loyalty. Here’s why

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Lean Security Expert
May 21, 2019

Benefits of Using A Managed Security Service Provider - Infographic

Lean Security Expert
May 21, 2019
Benefits of Using A Managed Security Service Provider - Infographic

Let’s take a look at a few benefits of using a managed securing service provider.

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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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