13 investors backing Sydney cybersecurity startups with capital in 2026

6 June 2026·7 min read

Thirteen investors back Sydney cybersecurity startups in 2026. They range from pure-play cyber VCs to corporate venture arms and deep-tech seed funds. Here's who to approach, what they look for, and how to get on their radar.

Australia's cybersecurity market exceeded A$1.7B in 2026, growing at 15% per year.

Most local VCs now back at least one cybersecurity company. Three pure-play global cyber funds have opened venture capital pipelines specifically for ANZ cybersecurity founders.

Carthona and Main Sequence focus on deep tech cyber. Telstra Ventures backs network and cloud security.

Global funds like Ten Eleven, YL, and Forgepoint fly to Sydney for the right deal - you don't need to go to them.

TypeCheck sizeSector focusWebsite
Blackbird VenturesSeed + Series A VCA$500K-A$10MBroad tech including cybersecurity, AI, SaaSblackbird.vc
AirTree VenturesSeed + Series A VCA$500K-A$10MBroad tech: cybersecurity, AI, fintech, SaaSairtree.vc
Carthona CapitalDeep tech seed VCA$500K-A$3MCybersecurity, AI, quantum, robotics, defencecarthona.com
Main Sequence VenturesDeep tech seed VC (CSIRO)A$500K-A$5MDeep tech: quantum security, AI, space, biotechmainsequence.vc
Telstra VenturesCorporate VCA$2M-A$20MCybersecurity, AI, network tech, cloud securitytelstraventures.com
Ten Eleven VenturesPure-play cyber VC (global)US$1M-US$20MCybersecurity exclusively: identity, cloud, endpoint1011vc.com
YL VenturesPure-play cyber VC (global)US$1M-US$5M seedCybersecurity exclusively: identity, AppSec, dataylventures.com
Forgepoint CapitalPure-play cyber VC (global)US$1M-US$25MCybersecurity exclusively: OT, IoT, cloud, identityforgepointcap.com
Paladin Capital GroupCyber + national security VC (global)US$2M-US$20MCybersecurity, national security, dual-use techpaladincapgroup.com
NightDragonPure-play cyber VC (global)US$5M-US$50MCybersecurity, safety, privacy, defence technightdragon.com
ReinventureFintech seed VC (Westpac-backed)A$500K-A$3MFintech security: fraud, identity, payments securityreinventure.com.au
Artesian VCSeed + Series A VCA$2M-A$10MBroad tech including cyber, AI, SaaS, deep techartesian.vc
Accenture VenturesCorporate VC (global)US$2M-US$10MCybersecurity, cloud, AI, digital transformationaccenture.com/ventures

Secure your investor documents before you pitch

Use Ellty to share your cybersecurity data room with granular permissions and full audit trails.

Start free 14-day trial

What cybersecurity investors look for

Cyber investors back founders who understand the specific threat they're solving, not just the tech.

Your target customer matters as much as your product. Government, enterprise, and SMB are very different markets.

Understand what investors check during cybersecurity due diligence before you pitch. They'll review your architecture, threat model, and compliance posture.

Use Ellty to share your technical docs with granular permissions - only the right people see sensitive architecture details. Cyber VCs notice how you handle your own data.

A$1.7B+
Australian cybersecurity market size in 2026
Australia's cybersecurity market exceeded A$1.7B in 2026, growing 15% annually
37%
Growth in cyber incidents reported in Australia in 2025
Australian reported cyber incidents grew 37% year-on-year in 2025 (ASD)
A$250M+
Telstra Ventures global portfolio value backed
Telstra Ventures has backed 80+ companies globally including cyber leaders
13
Active investors backing Sydney cybersecurity companies in 2026
13 investors - local and global - write cheques for Sydney cybersecurity startups
We see more cybersecurity deal flow from Sydney than any other Australian city. Government proximity and UNSW talent create a pipeline that's hard to find elsewhere.
James Cameron, Partner, AirTree Ventures, Sydney, 2026

13 Sydney cybersecurity investors in 2026

1. Blackbird Ventures

Blackbird is Australia's largest VC and backs cybersecurity companies at seed and Series A.

They've invested in companies at the AI and cybersecurity intersection including Deepwatch and others.

  • Stage: Seed and Series A
  • Check size: A$500K-A$10M
  • Focus: Broad tech including cybersecurity, AI, SaaS
  • Portfolio: Canva, Airwallex, SafetyCulture - plus cyber-adjacent AI companies
  • LinkedIn: Blackbird LinkedIn

2. AirTree Ventures

AirTree manages A$2B AUM and backs cybersecurity companies at seed through growth stage.

They have strong UNSW and ANU research networks that produce deep-tech cybersecurity founders.

  • Stage: Seed and Series A
  • Check size: A$500K-A$10M
  • Focus: Cybersecurity, AI, SaaS, fintech, climate
  • LinkedIn: AirTree LinkedIn

3. Carthona Capital

Carthona explicitly lists cybersecurity as a core investment focus alongside AI and defence tech.

They back companies from UNSW, ADFA, and DSTG spinouts. Review what IT due diligence covers before Carthona reviews your architecture - they go deep on technical stack.

  • Stage: Pre-seed and seed
  • Check size: A$500K-A$3M
  • Focus: Cybersecurity, AI, quantum, robotics, defence tech
  • Portfolio: Presien, Zibra AI, Myriota
  • LinkedIn: Carthona LinkedIn

4. Main Sequence Ventures

Main Sequence is CSIRO's venture fund and backs quantum-safe cryptography and deep cyber tech.

They exclusively fund startups that commercialise Australian research institution IP.

  • Stage: Pre-seed and seed (deep tech)
  • Check size: A$500K-A$5M
  • Focus: Quantum security, cyber AI, deep tech from research institutions
  • Portfolio: Q-CTRL, Baraja, Fleet Space Technologies
  • LinkedIn: Main Sequence LinkedIn

5. Telstra Ventures

Telstra Ventures is Australia's leading corporate cyber VC with 80+ portfolio companies globally.

They write A$2M-A$20M cheques and connect portfolio companies directly to Telstra enterprise clients.

  • Stage: Series A and growth
  • Check size: A$2M-A$20M
  • Focus: Cybersecurity, AI, network tech, cloud security
  • Corporate advantage: Direct access to Telstra's 24+ million customer relationships
  • LinkedIn: Telstra Ventures LinkedIn

Track which cyber investors open your deck

Send trackable links to each fund. Know when partners reviewed your materials.

Start free 14-day trial

6. Ten Eleven Ventures

Ten Eleven Ventures is a pure-play cybersecurity fund with offices in New York and London.

They actively invest in ANZ cybersecurity companies and have backed global leaders from early stage.

  • Stage: Seed through growth
  • Check size: US$1M-US$20M
  • Focus: Cybersecurity only: identity, cloud security, endpoint, AI security
  • Portfolio: Extrahop, Recorded Future, KnowBe4 (early stage)
  • LinkedIn: Ten Eleven LinkedIn

7. YL Ventures

YL Ventures is an Israeli-based pure-play cybersecurity seed fund that invests globally.

They focus on seed-stage cyber companies with Israeli or global founding teams.

  • Stage: Seed
  • Check size: US$1M-US$5M
  • Focus: Cybersecurity only: identity, AppSec, data security, AI security
  • Portfolio: Axonius, Cyera, Hunters
  • LinkedIn: YL Ventures LinkedIn

8. Forgepoint Capital

Forgepoint Capital is a US-based pure-play cybersecurity VC investing globally including ANZ.

They back OT, IoT, cloud, and identity security companies. Set up dynamic watermarking on your pitch materials before sharing with Forgepoint - they're thorough about IP.

  • Stage: Seed through growth
  • Check size: US$1M-US$25M
  • Focus: Cybersecurity: OT security, IoT, cloud, identity, supply chain
  • Portfolio: Armis, Claroty, Red Canary
  • LinkedIn: Forgepoint LinkedIn

9. Paladin Capital Group

Paladin Capital Group backs national security and cybersecurity startups with US government connections.

They actively invest in ANZ dual-use tech companies with defence and civilian cybersecurity applications.

  • Stage: Seed through growth
  • Check size: US$2M-US$20M
  • Focus: Cybersecurity, national security, dual-use tech, defence AI
  • AUKUS angle: Actively looking for AU companies with AUKUS Pillar 2 technology
  • LinkedIn: Paladin LinkedIn

10. NightDragon

NightDragon is David DeWalt's (former McAfee/FireEye CEO) pure-play cyber and safety VC.

They invest globally with a focus on advanced persistent threats and enterprise security platforms.

  • Stage: Series A and growth
  • Check size: US$5M-US$50M
  • Focus: Cybersecurity, safety, privacy, national security, defence
  • LinkedIn: NightDragon LinkedIn

11. Reinventure

Reinventure is backed by Westpac and focuses on fintech security, fraud prevention, and identity.

They back cyber companies at the intersection of financial services and security. Review AI due diligence to understand how Reinventure evaluates AI-powered fraud detection companies.

  • Stage: Seed and Series A
  • Check size: A$500K-A$3M
  • Focus: Fintech security: fraud, identity, payments security, AML
  • Portfolio: Spriggy, Uno, Splitit
  • LinkedIn: Reinventure LinkedIn

12. Artesian VC

Artesian VC has backed cybersecurity companies since 2012 and runs the Sydney Angels Sidecar Fund.

They write A$2M-A$10M Series A cheques and provide direct access to government and enterprise clients.

  • Stage: Seed and Series A
  • Check size: A$2M-A$10M
  • Focus: Broad tech: cybersecurity, AI, SaaS, fintech, deep tech
  • Portfolio: HappyCo, Lendi, Sked.io, plus cyber portfolio companies
  • LinkedIn: Artesian LinkedIn

13. Accenture Ventures

Accenture Ventures is a global corporate VC that backs cybersecurity companies in Australia.

They connect portfolio companies directly to Accenture's enterprise client base for pilots and contracts.

  • Stage: Series A and growth
  • Check size: US$2M-US$10M
  • Focus: Cybersecurity, cloud security, AI, digital transformation
  • Corporate advantage: Access to Accenture's global enterprise and government clients
  • LinkedIn: Accenture Ventures LinkedIn

Government contracts as a growth lever

Australian government cyber contracts are a genuine competitive moat for Sydney founders.

ASD, ADF, and Home Affairs run procurement programs specifically for Australian cybersecurity startups.

AUKUS Pillar 2 opens defence and cyber technology deals worth hundreds of millions. Due diligence for government procurement is different from commercial - prepare compliance documents early.

Government contracts signal product credibility to global cyber VCs faster than most enterprise sales.

What cybersecurity investors check in due diligence

Cyber investors run technical, legal, and commercial due diligence in parallel.

Technical review covers your architecture, cryptography choices, and known vulnerabilities. IT due diligence at a cybersecurity company also includes a penetration test of your own product.

IP ownership review is critical. If research came from a university, the chain of ownership must be clear.

Cyber VCs also check your team's security clearance status if government contracts are part of your plan.

Building a cybersecurity data room

Your data room signals how seriously you take security. Poorly secured data rooms lose cyber deals.

Use Ellty's granular permissions to give each investor access to exactly the documents they need. No investor should see another's term sheet.

Enable dynamic watermarking on sensitive architecture docs. Cyber investors expect their confidential documents to be protected.

Include: threat model, architecture diagram, compliance certifications, customer contracts, and financials.

How to pitch cybersecurity investors

Steps that Sydney cybersecurity investors use to evaluate founders in 2026.

  1. 1.
    Lead with the threat you're solving, not the feature
    Investors back threats, not products. Name the attack vector you stop.
  2. 2.
    Show a government or enterprise customer in pilot
    Cyber investors want proof beyond a demo. A paying pilot is worth ten.LOIs.
  3. 3.
    Explain your technical moat in plain language
    If your IP can't be explained simply, investors won't trust it's real.
  4. 4.
    Use Ellty to share your data room securely with funds
    Cyber investors notice how you handle your own documents and permissions.
  5. 5.
    Know your regulatory compliance story before pitching
    ISM, Essential Eight, SOC 2 - know which applies to your market.

How Ellty helps you land a cybersecurity investor in Sydney

Share your security data room with granular controls. Investors see your approach to document security.

  1. 1.
    Upload your data room with classified sections
    Add IP documents, source code summaries, and financials. Control access per section.
    Upload file in data room
  2. 2.
    Set granular permissions per investor or fund
    Pure-play cyber VCs get technical docs. Corporate VCs get commercial docs.
    Set permissions data room
  3. 3.
    Track every document access with a full audit log
    Know who accessed what and when. Follow up with relevant context each time.
    Analytics data room
Start free 14-day trial

What Sydney founders ask about cyber investors

Which investors focus purely on cybersecurity in Australia?
Global pure-play funds like Ten Eleven, YL Ventures, and Forgepoint actively invest in ANZ. Telstra Ventures is the main local corporate cyber VC.
Do I need government contracts to raise from cyber VCs?
Not always, but they help. Enterprise pilots and government POCs signal that your product solves real threats.
How big is a typical cybersecurity seed round in Sydney?
Most Sydney cybersecurity seed rounds close between A$1M and A$4M. Deep tech rounds can be higher.
Should I pitch local VCs or global cyber funds first?
Pitch both in parallel. Global pure-play cyber funds move faster when they understand the threat you're solving.
How do I use Ellty for a cybersecurity investor raise?
Set granular permissions so each investor sees only the relevant documents. Cyber VCs notice how you handle your own data.
What's the fastest way to get in front of Carthona or Telstra Ventures?
A warm intro from a portfolio founder or UNSW/ANU researcher works best. Cold applications to Carthona are reviewed regularly.

Author

Internal team behind the product.

This website uses cookies to improve user experience. By using our website you consent to all cookies in accordance with our Cookie Policy.