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

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
June 21, 2021

Cyber Crime in the Post Pandemic Era: All You Need to Know

Lean Security Expert
June 21, 2021
Cyber Crime in the Post Pandemic Era: All You Need to Know

The recent pandemic has led a lot of entrepreneurs to digitalize their businesses. But that isn't without its challenges. Learn more here.

Comment
Lean Security Expert
June 18, 2021

Revolutions in the Cyber Security Industry

Lean Security Expert
June 18, 2021
Revolutions in the Cyber Security Industry

The cybersecurity industry is constantly growing. Recently there have been some major revolutionary breakthroughs in the industry. Learn more about them here.

Comment
Lean Security Expert
May 17, 2021

Ensure Online Gaming Security

Lean Security Expert
May 17, 2021
Ensure Online Gaming Security

Here’s how you can ensure online gaming security

Comment
Lean Security Expert
May 15, 2021

4 Ways Your Computer Can Be Exposed To Malware While Working From Home

Lean Security Expert
May 15, 2021

Work from home has become increasingly common, but so have the threats associated with it. Here is how you may be vulnerable.

Comment
Lean Security Expert
May 10, 2021
mobile app security

Ways You “Agreed” To Privacy Invasion Through Apps On Your Phone

Lean Security Expert
May 10, 2021
mobile app security
Ways You “Agreed” To Privacy Invasion Through Apps On Your Phone

Privacy of data is a big concern in the Information Age. Here is how you may be giving it away on your phone.

Comment
Lean Security Expert
April 6, 2021

Tips to Improve Your Vulnerability Scans

Lean Security Expert
April 6, 2021
Tips to Improve Your Vulnerability Scans

This blog post will explain how you can improve your cyber security scans.

Comment
Lean Security Expert
April 3, 2021

Common Web Security Vulnerabilities and How to Fix Them

Lean Security Expert
April 3, 2021
Common Web Security Vulnerabilities and How to Fix Them

Many people are unaware of some common security vulnerabilities in their network. Read on to find out more:

Comment
Lean Security Expert
March 9, 2021

How to Improve Your Security Plan

Lean Security Expert
March 9, 2021

Protecting data from damage is extremely important for a business. Here’s how you can create a strong security plan for your business.

Comment
Lean Security Expert
February 8, 2021

Mobile Apps Security - Risks You Should Be Aware of

Lean Security Expert
February 8, 2021

Following are the mobile apps security risks you should be aware of.

Comment
Lean Security Expert
February 3, 2021

How to Formulate a Stronger Security Plan for Your Business?

Lean Security Expert
February 3, 2021
How to Formulate a Stronger Security Plan for Your Business?

Once you understand your system's vulnerabilities, you can decide what security measures and methods you must adopt to protect your data from any potential threats

Comment
Newer Posts
Older Posts
Contact us for a quote
Back to Top
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.

     
Useful Links
Home
Application penetration testing
Security source code assessment
Mobile application penetration testing
Infrastructure penetration testing
API web services penetration testing
Threat Modelling Service

Newsletter

We respect your privacy.

Thank you!

Contact Us

Phone: +61 (2) 8078 6952
Email: info@leansecurity.com.au

Monday - Friday from 9.00 am to 8.00 pm
Saturday from 10.00 am to 6.00 pm