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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 30, 2020

The Perks of a Pen Test

Lean Security Expert
July 30, 2020
The Perks of a Pen Test

The penetration testing services provided by us offer comprehensive solutions for all your cyber security concerns. Here’s how pen tests can protect your app and systems better:

1 Comment
Lean Security Expert
July 15, 2020

DDOS ATTACK

Lean Security Expert
July 15, 2020

Read all about DDOS attack

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Lean Security Expert
July 13, 2020

The Importance of Encryption for Storing Customer Data

Lean Security Expert
July 13, 2020
The Importance of Encryption for Storing Customer Data

The process of data encryption has become a vital component of system security strategy.

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Lean Security Expert
July 10, 2020

3 Cybersecurity Tips for Remote Workers to Protect Sensitive Company Data

Lean Security Expert
July 10, 2020
3 Cybersecurity Tips for Remote Workers to Protect Sensitive Company Data

The following are some helpful tips that employees can use to protect themselves against data breaches:

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Lean Security Expert
July 3, 2020

Understanding the Art of Penetration Testing: FAQs Answered

Lean Security Expert
July 3, 2020
Understanding the Art of Penetration Testing: FAQs Answered

In this blog, we’ve answered a few of the most frequently asked questions about Penetration Testing. Have a look!

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Lean Security Expert
June 30, 2020

Top Cybersecurity Challenges of Managing a Remote Workforce

Lean Security Expert
June 30, 2020
Top Cybersecurity Challenges of Managing a Remote Workforce

Before you set up your work desk in your house, take a look at a few cybersecurity challenges that you and other remote workers should look out for

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Lean Security Expert
June 27, 2020

Penetration Testing Can Prevent Insider Threats—Here’s Everything You Need to Know

Lean Security Expert
June 27, 2020
Penetration Testing Can Prevent Insider Threats—Here’s Everything You Need to Know

And while you can do everything in your power to protect the company from external threats, it’s harder when someone’s trying to destroy it from the inside.

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Lean Security Expert
June 25, 2020

3 Benefits of Real-Time Asset Tracking in Manufacturing

Lean Security Expert
June 25, 2020
3 Benefits of Real-Time Asset Tracking in Manufacturing

The market for real-time location systems is growing as more and more manufacturers invest in them, so they are provided with an overview of their operations

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Lean Security Expert
June 20, 2020

Securing Banking Applications 101: Mobile Money Safety

Lean Security Expert
June 20, 2020
Securing Banking Applications 101: Mobile Money Safety

Here’s how users can remain secure on mobile banking applications.

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Lean Security Expert
June 15, 2020

Who Is External Network Penetration Testing Test For?

Lean Security Expert
June 15, 2020
Who Is External Network Penetration Testing Test For?

In this blog, we’ll be focusing on external network penetration testing, in particular, and who should opt for it.

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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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