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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
March 8, 2019

Ways To Keep Your Business Information Secure

Lean Security Expert
March 8, 2019
Ways To Keep Your Business Information Secure

From identity theft to loss of official data, cyber threats can wreck a flourishing business. Therefore it’s crucial to secure your business before you smell trouble. Here are a few suggestions on how to do it.

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Lean Security Expert
March 5, 2019

Why Network Security Is Important For Your Business (Infographic)

Lean Security Expert
March 5, 2019
Why Network Security Is Important For Your Business (Infographic)

Network vulnerability assessment should be performed in order to keep online business belong to any niche safe and secure.

Read more about why network security is important for your business.

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Lean Security Expert
March 1, 2019

4 Types Of Cyber Security Threats

Lean Security Expert
March 1, 2019
4 Types Of Cyber Security Threats

Small and big corporations are in dire need of learnign and tutoring their employees about the types of cyber thrreats so they can be detected at the earlier stage. Here are 4 types of cyber threats that you must know.

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Lean Security Expert
February 26, 2019

4 Most Notorious Australian Hackers

Lean Security Expert
February 26, 2019
4 Most Notorious Australian Hackers

Here are a few cases of Australian hacking geniuses who still couldn’t outsmart the authorities.

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Lean Security Expert
February 1, 2019

4 Effective Strategies to Protect Web Applications | Infographic

Lean Security Expert
February 1, 2019
4 Effective Strategies to Protect Web Applications | Infographic

Let’s take a look at 4 effective strategies to protect your web applications.

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Lean Security Expert
January 30, 2019

E-Commerce Security Threat -What Do You Need to Know | Infographic

Lean Security Expert
January 30, 2019
E-Commerce Security Threat -What Do You Need to Know | Infographic

Read what do you need to know about E-commerce security threats

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Lean Security Expert
January 25, 2019

3 Safety Concerns With Cloud Data Storage

Lean Security Expert
January 25, 2019
3 Safety Concerns With Cloud Data Storage

Here are all the safety concerns that cloud data storage addresses to give consumers a safe place to store data.

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Lean Security Expert
January 3, 2019

Understanding the Importance of Cloud Security

Lean Security Expert
January 3, 2019
Understanding the Importance of Cloud Security

In this blog, we highlight a few key reasons why having cloud-based security is important for your organization.

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Lean Security Expert
December 31, 2018

The Differences between Penetration Tests, Audits, and Security Assessments

Lean Security Expert
December 31, 2018
The Differences between Penetration Tests, Audits, and Security Assessments

In this blog, we highlight the main differences between penetration tests, audits, and security assessments.

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Lean Security Expert
December 27, 2018

Simple Security Vulnerabilities Putting Your Business at Risk

Lean Security Expert
December 27, 2018
Simple Security Vulnerabilities Putting Your Business at Risk

In this blog, we take a look at a few security vulnerabilities your business should avoid.

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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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