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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
January 18, 2018

Organising a Risk-Based Security Strategy for Your Online Business

Lean Security Expert
January 18, 2018

Cyber-attacks are not only increasing in number, but also in sophistication. This is why businesses need to switch from response-based approach to cyber-attacks, to identifying and preventing them before they occur

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Lean Security Expert
January 15, 2018

Why PCI DSS Compliance Matters to Your Business

Lean Security Expert
January 15, 2018

While most companies are blissfully unaware of PCI DSS compliance, it matters more to their business than they give it credit for!

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Lean Security Expert
January 13, 2018

The Many Benefits of Network Vulnerability Assessment

Lean Security Expert
January 13, 2018
The Many Benefits of Network Vulnerability Assessment

In today’s digital age, cyber-attacks are inevitable. Recent numbers posted by Barkly paint a grim picture. 56% of the organisations surveyed were victims of cyber-attacks in 2016 alone.

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Lean Security Expert
January 10, 2018

How to Guarantee Mobile Application Security

Lean Security Expert
January 10, 2018
How to Guarantee Mobile Application Security

One of the biggest industries of our time is the mobile app ecosystem. Recent research studies show that there are more than 2.32 billion smart phone users in the world and that these apps are part of a trillion dollar industry!

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Lean Security Expert
January 8, 2018

Bulk Up On Web Application Security by Following These 3 Tips

Lean Security Expert
January 8, 2018
Bulk Up On Web Application Security by Following These 3 Tips

Fortifying a website or online business module against cyber-attacks is easier said than done. While you might think that your business has nothing to offer hackers so it’s pretty safe as is, but that simple isn’t the case!

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Lean Security Expert
November 16, 2017

Five Security Tips For Your E-Commerce Website - Infographic

Lean Security Expert
November 16, 2017

Read the useful security tips for your E-commerce website.

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Lean Security Expert
November 13, 2017

Why Usability Testing Is So Important

Lean Security Expert
November 13, 2017
Why Usability Testing Is So Important

When it comes to sales, ‘Always be closing’ is the ultimate lesson. In the digital world, however, the mantra is ‘Always be testing’.

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Lean Security Expert
November 8, 2017

Social Media Security – Some Common Threats

Lean Security Expert
November 8, 2017
Social Media Security – Some Common Threats

In the past few years, social media has become a phenomenon. The power of social media has been so impactful that it has completely revolutionised the way the human species communicated.

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Lean Security Expert
November 4, 2017

Mobile App Vulnerabilities You Should Keep In Mind

Lean Security Expert
November 4, 2017
Mobile App Vulnerabilities You Should Keep In Mind

Although the incredible rise of mobile phone technology has revolutionised communications, it has also brought about massive security challenges.

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Lean Security Expert
October 31, 2017

5 Trends to Watch Out For in Cyber Security!

Lean Security Expert
October 31, 2017
5 Trends to Watch Out For in Cyber Security!

From Cloudbleed to WannaCry, 2017 has already had its fair share of security breaches. With modern, sophisticated tactics employed by cyber criminals, it will take a lot to make the online world a safer place.

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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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