10 Cybersecurity Companies in Sydney to Know

Cybersecurity firms ensure that sensitive corporate and personal data remains safe in the digital world. Here are the top ones in Sydney.

Written by Winston Streich
Published on Feb. 25, 2025
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Image: Shutterstock / Built In

Cybersecurity protects digital assets like networks, systems and data from dysfunction and malicious attacks. As cybercrime evolves, so too does the cybersecurity industry, which is in a constant arms race with the hackers and malware developers of the world. Here are some of the top firms in Sydney’s cybersecurity sector.

Cybersecurity Companies in Sydney

  • Tesserent
  • Gridware
  • CyberCX
  • Borderless CS
  • Black Box

 

Top Cybersecurity Companies in Sydney

Tesserent is an Australian cybersecurity company that serves medium-sized to enterprise-level clients with a team of about 500 professionals. It offers businesses cybersecurity services and programs that dovetail with its cloud services offerings, with a focus on serving industries where data privacy is key, like healthcare and financial services.

 

Gridware is a boutique cybersecurity firm that works with government organizations and private companies to create proactive anti-hacking plans, penetration testing and incident response. In its work with government entities, the company offers audit assessments that provide a full inventory of the entity’s regulatory compliance and preparation for audit.

 

CyberCX provides both proactive and reactive cyberthreat management in addition to cybersecurity-optimized IT services like cloud security, identity and access management and digital CS training. As part of its content package, the company offers cybersecurity webinars that help teams and individuals improve their digital literacy.

 

Borderless CS works in partnership with the Australian Cyber Security Centre, a government initiative to improve cyber resilience among Australians. It offers services that address threat intelligence, incident response, digital forensics, email security, vulnerability management and data loss prevention.

 

Black Box offers cybersecurity management, data center build outs, digital connectivity infrastructure and workplace modernization. Its work in cybersecurity is woven into each of the other services it provides, such that all processes and infrastructures are optimized for threat resistance and equipped with features for extended detection and response.

 

Enterprise IT provider Cisco Meraki offers cloud-managed services for networking, wireless connectivity and enterprise mobility management. It also manages security camera networks and provides high-touch cybersecurity support. The Meraki platform boasts a 98% block rate for malware and offers serverless computing, which allows for a lower cost of service thanks to usage-based pricing.  

 

The Corporation Service Company, which goes by CSC, is a corporation administration provider. It offers tools for corporate compliance, like registered agent service, treasury management, executive compensation management and subsidiary management. CSC’s cyber risk division focuses on fraud protection, brand protection and domain security.

 

CrowdStrike is a cybersecurity specialist that focuses on cloud security for enterprise companies. Its tools include CrowdStrike Falcon Cloud Security, a cybersecurity program that constantly monitors data, endpoints and digital assets to perform cybersecurity protocols such as posture management and breach protection.

 

Silverfort is a cybersecurity firm that offers software for identity protection and verification. These tools enable security measures like multi-factor authentication. MFA is the process of generating unique access codes that are deployed in real time to users to verify their identity and permit their access to appropriate documents and data. 

 

Secure Code Warrior is a software engineering and cybersecurity company that equips developers with tools and best practices for increasing the security of their code. The company offers educational courses and coding labs to upskill established coders in cyber risk prevention. The goals of this programming and the SCW learning platform are to mitigate code vulnerabilities and improve quality and compliance in code.

 

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