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Cliffside is a Sydney-based cybersecurity consultancy founded in 2014, delivering assessment-led security services across Australia. ISO 27001 certified, their approach centres on evidence-based risk management rather than vendor-driven solutions. Their core services span security strategy and architecture, compliance audits covering ISO 27001, APRA CPS 234, and Essential Eight, as well as cloud security for AWS and Azure environments. They also offer managed SOC services, penetration testing, breach simulation, and security awareness programs. Their team holds certifications including OSCP, OSWE, CREST, CISSP, and SABSA, with lead auditor credentials dating back to 2008. Partnering with Microsoft, AWS, Vanta, KnowBe4, and Fortinet, Cliffside provides practical, risk-driven cybersecurity outcomes for organisations of all sizes.
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Min project size
Undisclosed
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Hourly rate
Undisclosed
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Employees
10 - 49
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Locations
Sydney, Australia
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Year founded
Founded 2014
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Languages
3 Languages that we service
- English
- Portuguese
- Hindi
1 Locations
- Sydney , Australia
Service Lines
- Cybersecurity
- 60%
No Focus Areas have been added yet…
Industries
- Energy & natural resources
- 20%
- Financial services
- 20%
- Government
- 10%
- Information technology
- 10%
- Insurance
- 10%
- Medical
- 10%
- Legal
- 5%
- Manufacturing
- 5%
- Non-profit
- 5%
- Utilities
- 5%
Clients
- Midmarket ($10M - $1B)
- 70%
- Enterprise (>$1B)
- 15%
- Small Business (<$10M)
- 15%
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Our Story
The Cliffside team is led by founder and CEO Adri Leite, who brings nearly three decades of cybersecurity experience spanning corporate and advisory roles, including global security management for a major European corporation and payment network security with Visa across South America. The team comprises seasoned security architects, certified ISO 27001 lead auditors, OSCP and CREST-certified penetration testers, and emerging talent nurtured through dedicated mentoring programs. With a philosoph
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Business Entity
| Business Entity Name | Cliffside Security Pty Ltd |
| Source | Australian Securities & Investments Commission (ASIC) |
| Jurisdiction of Formation | Australia |
| Date of Formation | July 30, 2014 |
| Status | Active |
| Last Updated | March 11, 2026 |
| ID | 57600983140 |
Credit Report Results
| International Credit Risk Assessment | Moderate Risk |
| Source | Creditsafe |
| Last Updated | March 11, 2026 |
Locations (1)
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