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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
September 23, 2020

Can A Vulnerability Assessment Save You From The Next Security Crash?

Lean Security Expert
September 23, 2020
Can A Vulnerability Assessment Save You From The Next Security Crash?

Here’s how taking this measure can potentially save you from your next security crash.

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Lean Security Expert
September 19, 2020

What To Consider When IoT Security Testing

Lean Security Expert
September 19, 2020
What To Consider When IoT Security  Testing

When proceeding with IoT security testing, keep these factors in mind:

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Lean Security Expert
September 15, 2020

3 Key Things To Consider When Opting For Network Penetration Testing

Lean Security Expert
September 15, 2020
3 Key Things To Consider When Opting For Network Penetration Testing

If you’re opting for network security testing, here are three things you need to keep in mind.

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Lean Security Expert
September 11, 2020

Here’s Why Digital Enterprises Need Network Penetration Testing

Lean Security Expert
September 11, 2020
Here’s Why Digital Enterprises Need Network Penetration Testing

If you run a digital enterprise, here are three reasons why it can benefit from network penetration testing:

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Lean Security Expert
September 6, 2020

Understanding Security As An Investment: Importance Of Penetration Testing For Start-Ups

Lean Security Expert
September 6, 2020
Understanding Security As An Investment: Importance Of Penetration Testing For Start-Ups

Penetration testing is essential to detect potential vulnerabilities, develop effective security measures, and maintain a start-up's image.

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Lean Security Expert
September 2, 2020

3 Common Cloud Vulnerabilities You Should Be Wary Of

Lean Security Expert
September 2, 2020
3 Common Cloud Vulnerabilities You Should Be Wary Of

Data security, downtime, and cyber-attacks are three common vulnerabilities in cloud computing to look out for.

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Lean Security Expert
August 28, 2020

4 Steps To Safeguard Against Your Malware

Lean Security Expert
August 28, 2020
4 Steps To Safeguard Against Your Malware

Using encryption, implementing network security upgrades, installing cybersecurity software and educating employees are effective ways to prevent malware attacks

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Lean Security Expert
August 13, 2020

Why Your Customer Data Should Be Encrypted (Infographic)

Lean Security Expert
August 13, 2020

Insecure cryptographic storage allows hackers to easily confidential data that is why your customer data should be encrypted

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Lean Security Expert
August 12, 2020

5 Cyber Security Risks of Working from Home

Lean Security Expert
August 12, 2020
5 Cyber Security Risks of Working from Home

Here, we’ve outlined five cybersecurity risks you need to keep in mind and address as you and your business shift to work from home:

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Lean Security Expert
August 7, 2020

Contact Tracing: How Does it Work?

Lean Security Expert
August 7, 2020
Contact Tracing: How Does it Work?

Read all about how Contact Tracing Work?

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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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