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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
April 30, 2019

Top 4 Cyber Security Details New Employees Should Be Aware Of

Lean Security Expert
April 30, 2019
Top 4 Cyber Security Details New Employees Should Be Aware Of

Let’s dive in to top 4 cyber security details new employees should be aware of in order to reduce the chances of cyber perpetration.

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Lean Security Expert
April 29, 2019

The Impact Data of Breaches on Customer Loyalty (Infographic)

Lean Security Expert
April 29, 2019
The Impact Data of Breaches on Customer Loyalty (Infographic)

64% of consumers worldwide are most likely to stop shopping from a business that had its security breached. Read what are the impact of data breaches on customer loyalty.

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Lean Security Expert
April 27, 2019

Proactive Risk Management-Making Your Business Resilient

Lean Security Expert
April 27, 2019
Proactive Risk Management-Making Your Business Resilient

Read how adopting a proactive risk management approach allows an organization to avoid and manage risks, making your business resilient to cope with an outside attack.

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Lean Security Expert
April 24, 2019

Cybersecurity vs. Data Privacy – What’s The Difference?

Lean Security Expert
April 24, 2019
Cybersecurity vs. Data Privacy – What’s The Difference?

Let’ see what’s the difference between Cybersecurity vs. Data Privacy

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Lean Security Expert
April 20, 2019

Latest Malwares in 2019 That Pose a Threat to Your Data Security

Lean Security Expert
April 20, 2019
Latest Malwares in 2019 That Pose a Threat to Your Data Security

it’s imperative that you familiarise yourself with the latest malwares that pose a threat to your data security. Let’s see what are the latest malwares in 2019 that pose a threat to your data security.

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Lean Security Expert
April 13, 2019

Why Network Security is Important For Your Business

Lean Security Expert
April 13, 2019
Why Network Security is Important For Your Business

Own an online business? Then you should know why network security is important for your business.

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Lean Security Expert
April 9, 2019

Steps Involved In Web Application Vulnerability Assessment

Lean Security Expert
April 9, 2019
Steps Involved In Web Application Vulnerability Assessment

Here are the steps involved in web application vulnerability assessment.

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Lean Security Expert
April 4, 2019

The Benefits Of Source Code Analysis

Lean Security Expert
April 4, 2019
The Benefits Of Source Code Analysis

A source code is a set of instructions, comments, and declarations. Let’s see what are the benefits of source code analysis.

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Lean Security Expert
March 30, 2019

Network Vulnerability Assessment: A Guide

Lean Security Expert
March 30, 2019
Network Vulnerability Assessment: A Guide

Ongoing network vulnerability assessments are used to identify defects in an organization’s network prior to security breaches. Check this useful guide.

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Lean Security Expert
March 26, 2019

5 Common Types Of Malware

Lean Security Expert
March 26, 2019
5 Common Types Of Malware

To protect your business from cyber threats, it’s important that you know what to look out for. Here are some common malware that can cause harm to your system.

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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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