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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 5, 2018

Attention App Developers: Protect Your Source Code!

Lean Security Expert
October 5, 2018
Attention App Developers: Protect Your Source Code!

Software developers are faced with growing security concerns when it comes to the source codes powering their applications for users around the globe.

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Lean Security Expert
October 1, 2018

Top Security Issues App Developers Should Know About

Lean Security Expert
October 1, 2018
Top Security Issues App Developers Should Know About

Mobile application development is experiencing exponential growth in the present market. This makes it necessary for mobile app developers to not only provide new features to users but to also ensure that security protocols are constantly updated.

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Lean Security Expert
September 28, 2018

Benefits of Cloud-Based Testing for Mobile Applications

Lean Security Expert
September 28, 2018
Benefits of Cloud-Based Testing for Mobile Applications

Cloud-based mobile application testing uses cloud technology to enable developer access to a range of mobile devices. These devices may use different Operating System (OS) platforms and network carriers.

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Lean Security Expert
September 19, 2018

Mobile Application Vulnerabilities - Infographic

Lean Security Expert
September 19, 2018

With advantages of mobile phone comes loads of hurdles and threats like cyber crime and mobile hack. All these unwanted threats lead to data loss and date security breach.

Here’s why you should be aware of the mobile application vulnuerabilities.

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Lean Security Expert
September 6, 2018

How to Keep Your Data Secure On Cloud

Lean Security Expert
September 6, 2018
How to Keep Your Data Secure On Cloud

The number of people who use Cloud technology is rapidly increasing and it is expected that by the end of 2018, 3.6 billion people will be using this service. Here is how to keep your data secure on cloud,

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Lean Security Expert
September 3, 2018

Signs Your Network Security Has Been Compromised

Lean Security Expert
September 3, 2018
Signs Your Network Security Has Been Compromised

Do you get random messages every time you turn on your web browser? Maybe you have an unwanted toolbar on your browser. These are just some signs that your network’s security has been compromised.

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Lean Security Expert
August 31, 2018

The Benefits of Network Security Assessment

Lean Security Expert
August 31, 2018
The Benefits of Network Security Assessment

With a network assessment, they can counter data breaches and distributed denial of services (DDoS attacks)

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Lean Security Expert
August 29, 2018

How Hackers Attack Your Computer Systems

Lean Security Expert
August 29, 2018
How Hackers Attack Your Computer Systems

Hacking refers to the practice of gaining access to another person’s computer without their permission. Hackers employ different tactics to do so.

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Lean Security Expert
August 24, 2018

Emerging Cyber Security

Lean Security Expert
August 24, 2018

Latest targets of cyber attacks have been wearables, home automation, and self driving cars.

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Lean Security Expert
July 27, 2018

Cyber Security Challenges These Days (Infographic)

Lean Security Expert
July 27, 2018

The number of people facing online threats is increasing day by day, here are few cyber security challenges you should be aware of.

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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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