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 4, 2018

Cyber Security Trends and Threats in 2018 (Infograph)

Lean Security Expert
June 4, 2018

Do you know 54% of companies has experienced one or more successful cyber attacks that compromised their data, this year.

Comment
Lean Security Expert
May 31, 2018

DDoS Attacks-Ensure That Your Sensitive Data Stays Secure

Lean Security Expert
May 31, 2018

Most businesses these days have made a switch to digital technology. Although this move has proven to be quite beneficial for businesses, there are certain problems that businesses face as well

Comment
Lean Security Expert
May 30, 2018

The General Data Protection Regulation Guidelines For Businesses In Australia

Lean Security Expert
May 30, 2018

The General Data Protection Regulation contains details regarding the protection of data within a region. The act will replace the national data protection laws within the region

Comment
Lean Security Expert
May 29, 2018

Network Vulnerability Assessment And Their Benefits For Businesses

Lean Security Expert
May 29, 2018

Cyber security threats are a major issue that can have a significant impact on Australia’s economy and prosperity. Some of the examples of cyber threats include:

Comment
Lean Security Expert
May 28, 2018

Ensure That Your Cloud Systems Stay Safe and Secure Through Automation

Lean Security Expert
May 28, 2018

When it comes to cloud based systems, the words ‘automation’ and ‘orchestration’ are synonymous.

Comment
Lean Security Expert
April 23, 2018

Streamlining Your Netwrok Security - The Need For Regular Vulnerability Assessment- Infographic

Lean Security Expert
April 23, 2018
Streamlining Your Netwrok Security - The Need For Regular Vulnerability Assessment- Infographic

The need for regular vulnerability assessment is need for ever business online to provide network security against threats.

Comment
Lean Security Expert
April 20, 2018

Cryptocurrency Mining Malware – 2018’s New Menace!

Lean Security Expert
April 20, 2018
Cryptocurrency Mining Malware – 2018’s New Menace!

With digital currency slowly gaining popularity over the past 8 years, the biggest question that arises is, is it a safe investment to make? Cryptocurrency depends on cryptography for distribution and transferring.

Comment
Lean Security Expert
April 16, 2018

Secure Code Review – The Best Practices

Lean Security Expert
April 16, 2018
Secure Code Review – The Best Practices

Nearly two years ago, a hosting provider deleted his entire company because of a small mistake. The mistake, you ask? A single destructive line of code

Comment
Lean Security Expert
April 12, 2018

Common and Deadly Security Mistakes Coders Make

Lean Security Expert
April 12, 2018
Common and Deadly Security Mistakes Coders Make

The truth is, most businesses don’t think twice about application vulnerability, which is the real culprit that allows “hacktivists” to penetrate through security systems

Comment
Lean Security Expert
April 9, 2018

A Beginner’s Guide to DDoS Attack and Protection

Lean Security Expert
April 9, 2018
A Beginner’s Guide to DDoS Attack and Protection

Wondering how do you DDoS proof a network? We explain the mechanics of Distributed Denial of Service (DoS) attacks, botnets, and how to implement effective protection.

Tagged: Web Application Security

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