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Top Security Companies in Sydney (49)

CrowdStrike
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
25 Offices
11,000 Employees
84 Benefits Hiring Now
Define your future at CrowdStrike.

CrowdStrike has redefined security with the world’s most advanced cloud-native platform that protects and enables the people, processes and technologies that drive modern enterprise. Tested and proven, the world's largest organizations trust CrowdStrike to stop breaches with unparalleled protection against the most sophisticated cyberattacks. The CrowdStrike culture has been built upon our Core Values since the day we began. We...

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CrowdStrike

CrowdStrike's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue rose 26% year over year to about $1.47B in Q2 FY2027, while ARR increased roughly 25% to $5.84B and the full‑year outlook was raised. These indicators point to durable top‑line momentum across recent quarters and fiscal years.

Healthy Cash Flow: Quarterly free cash flow increased to about $377M (from ~$284M a year earlier) and operating cash flow reached roughly $530M. Rising cash generation alongside growth supports operating flexibility and investment capacity.

Product Line Growth: Adoption across the Falcon platform is deepening, with record net new ARR of about $333M (+51% YoY) and rapid expansion in offerings such as Falcon Flex ARR (exceeding ~$2.29B, up ~101% YoY). Cloud and identity security ARR also expanded meaningfully, indicating broader portfolio traction.

Zscaler
Cloud • Information Technology • Security • Software • Cybersecurity
34 Offices
8,697 Employees
49 Benefits Hiring Now
Experience secure digital transformation.

Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

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Zscaler

Zscaler's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue and annual recurring revenue each rose 25% in fiscal 2026, with fourth-quarter revenue also up 25% year over year. Management still expects continued double-digit growth in fiscal 2027, albeit at a slower pace.

Healthy Cash Flow: Operating cash flow reached about $1.13 billion and free cash flow was roughly $779.1 million in fiscal 2026. This points to robust cash generation alongside expansion.

Product Line Growth: The platform is expanding into AI security, data security, SASE, and agentic security operations. Security-for-AI bookings were reported to increase more than 50% sequentially in the fourth quarter, indicating early traction.

Snyk
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
12 Offices
1,000 Employees
107 Benefits
Snyk helps organizations build fast and stay secure in the age of AI.

Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk. The company’s AI Trust Platform seamlessly integrates into developer and security workflows to accelerate secure software delivery in the AI Era. Snyk delivers trusted, actionable insights and automated remediation, enabling modern organizations to innovate without limits....

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Snyk

Snyk's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst recognitions across 2024–2025, including Leader placements in application security testing and SAST, indicate Snyk competes at the top of its market. This standing supports commercial durability even as overall growth moderates.

Product Line Growth: Snyk Code surpassed $100M in ARR in 2024 and the DAST business recorded 245% quarter-over-quarter ARR growth after the Probely acquisition, broadening revenue contributors. Expansion across code, open source, containers, IaC, APIs, and AI security points to a wider product footprint.

Innovation-Driven Growth: Investments in AI security—such as Evo and the acquisition of Invariant Labs—reflect an active innovation agenda targeting emerging developer and AI risks. These moves are positioned as potential growth engines alongside the core platform.

Trustwave
Security
7 Offices
1,494 Employees
29 Benefits

Trustwave is a leading cybersecurity and managed security services provider focused on threat detection and response. Offering a comprehensive portfolio of managed security services, consulting and professional services, and data protection technology, Trustwave helps businesses embrace digital transformation securely. Trustwave is a Singtel company and the global security arm of Singtel, Optus and NCS, with customers in 96 countries. For...

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Trustwave
Guardhouse
Security • Software
2 Offices
36 Employees

Guardhouse delivers an operation and back-office suite, custom-built for security companies, bringing all your manpower operations onto one platform. From smarter Scheduling and Guard Tracking to integrated Payroll and Invoicing, Guardhouse is guaranteed to save your business time and money. Guardhouse Features include: - Live Ops Dashboard - GPS Guard Tracking + Timekeeping - Financial Forecasting - Scheduling - Sub...

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Guardhouse
Splunk
Big Data • Information Technology • Security • Software • Big Data Analytics
44 Offices
8,062 Employees
42 Benefits

Splunk Inc. (NASDAQ: SPLK) brings data to every question, decision and action to help #TurnDataIntoDoing. Splunk is the world’s first Data-to-Everything™ Platform designed to remove the barriers between data and action, so that everyone thrives in the Data Age. We’re empowering IT, DevOps and security teams to transform their organizations with data from any source and on any timescale. With more than...

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Splunk

Splunk's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue growth is robust, with total revenue and ARR up 15% and cloud segments expanding faster. Historical growth included a roughly 23%–25% three-year CAGR with annual revenues surpassing $4.2 billion.

Healthy Cash Flow: Cash generation is strong, with annual operating cash flow exceeding $1 billion and rising sharply year over year.

Strong Market Position & Advantage: Market position is described as leadership in SIEM and observability, supported by repeated Leader placements from major analyst firms. Broad enterprise adoption across large organizations reinforces this standing.

Sparity
Cloud • Information Technology • Security • Consulting
3 Offices
137 Employees

We are a global technology enterprise specialized in providing Digital Transformation and complex technology services to a wide range of enterprises, unicorn startups and social institutions. Established in 2010 with a goal to become a Global Innovation & Development partner. With nearly a decade of experience, we add compelling value through our agile and collaborative approach across your digital value chain. With...

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Sparity
Secure Code Warrior
Security • Software • Cybersecurity
6 Offices
201 Employees
Hiring Now

Secure Code Warrior makes secure coding a positive and engaging experience for developers as they increase their skills. We guide each coder along their own preferred learning pathway, so that security-skilled developers become the everyday superheroes of our connected world.

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Secure Code Warrior
Fortinet
Security • Software • Cybersecurity
31 Offices
10,357 Employees
32 Benefits Hiring Now

Fortinet develops and sells cybersecurity solutions.

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Fortinet

Fortinet's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests revenue is expanding at a double‑digit pace, with quarterly sales rising around 20% year over year and guidance lifted to imply similar growth for the full year.

Profitability: Profitability is considered strong, with GAAP operating margin in the mid‑30% range and net income rising alongside growth.

Healthy Cash Flow: Cash generation is viewed as robust, highlighted by substantial operating and free cash flow in the latest quarter.

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Hack The Box
Security
5 Offices
946 Employees
17 Benefits

Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and methodologies with other members of similar interests. It contains several challenges that are constantly updated. Some of them simulating real world scenarios and some of them leaning more towards a CTF style of challenge. As an individual, you can complete a simple...

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Hack The Box
Thales
Artificial Intelligence • Big Data • Information Technology • Security • Software
78 Offices
63,258 Employees
18 Benefits Hiring Now

Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in...

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Thales

Thales's Top Stability & Growth Strengths

Strong Revenue Growth: Sales increased in 2025 versus 2024, with early 2026 also showing higher sales and management guiding to further organic growth in 2026.

Profitability: Adjusted EBIT rose and margins improved in 2025, indicating strengthening operating performance alongside growth.

Resilient & Sustainable Growth: Record order intake and an order book above €53 billion provide multi‑year visibility, and a book‑to‑bill above 1 with reaffirmed 2026 targets supports continued expansion.

GBG Plc
Big Data • Information Technology • Other • Security
14 Offices
1,097 Employees
17 Benefits

Global digital identity and fraud solutions, working to create a world where everyone can transact online with confidence Our market-leading technology, data and expertise help our customers improve digital access, deliver a seamless experience and establish trust so that they can transact quickly, safely and securely with their customers online. Headquartered in the UK and with over 1,000...

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GBG Plc
Devo
Cloud • Security • Software • Analytics • Cybersecurity
5 Offices
550 Employees
30 Benefits
Devo reinvents how data and security analytics are used to empower faster, more confident action at any scale.

Devo is the only cloud-native logging and security analytics platform that releases the full potential of data to empower bold, confident action. With an unrivaled scale to collect all of your data without compromise, speed to give you immediate access and answers, and clarity to focus on the signals that matter most, Devo is your ally in protecting your organization...

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Devo
Accertify Inc.
Fintech • Payments • Security • Software
6 Offices
941 Employees

Accertify provides a global digital risk management platform that helps merchants and other businesses identify legitimate customers, prevent fraud and abuse, protect accounts, optimize payment approvals, and manage chargebacks. Its solutions span the customer journey from login through dispute resolution, combining AI-driven machine learning, device intelligence, and user behavior analytics. The company serves organizations across industries and aims to reduce...

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Accertify Inc.
SolarWinds
Information Technology • Security • Software
16 Offices
2,299 Employees
37 Benefits Hiring Now

SolarWinds is a leading provider of powerful and affordable IT management software. Our products give organizations worldwide—regardless of type, size, or complexity—the power to monitor and manage their IT services, infrastructures, and applications; whether on-premises, in the cloud, or via hybrid models. We continuously engage with technology professionals—IT service and operations professionals, DevOps professionals, and managed services providers (MSPs)—to understand...

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SolarWinds

SolarWinds's Top Stability & Growth Strengths

Resilient & Sustainable Growth: Feedback suggests the company is demonstrating steady growth with increased ARR and a strong shift toward subscriptions, indicating improved revenue visibility.

Profitability: Profitability is considered strong, with rising adjusted EBITDA and high gross margins supporting operational health.

Strong Market Position & Advantage: The organization is often positioned as a credible leader in network monitoring and hybrid IT management, reinforced by third-party analyst recognition in selected categories.

Verkada Inc
Cloud • Hardware • Security • Software
20 Offices
2,000 Employees
34 Benefits
Our mission is to protect people and places in a privacy-sensitive way.

Verkada is the world’s largest cloud-based B2B physical security platform, offering a seamless blend of tech and safety. With six product lines — video security cameras, access control, environmental sensors, alarms, workplace systems, and intercoms — all integrated on one cloud platform, Verkada is designed for simplicity and scalability. Our real-time insights help organizations keep their spaces safe and comfortable...

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Verkada Inc

Verkada Inc's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is described as rising markedly year over year, with estimates indicating substantial topline expansion from earlier periods through the most recent fiscal year. Customer and device counts also grew materially, reinforcing momentum at scale.

Investor Backing & Capital Strength: Successive late‑stage financings, including an investment led by CapitalG at a multi‑billion valuation and a strategic tie‑up with NVIDIA, point to strong external support. Increased valuations and significant capital provide resources to fund product development and geographic expansion.

Strong Market Position & Advantage: Independent rankings place the company at the top of VSaaS and cloud access control, underscoring leadership within cloud‑native physical security. A unified, AI‑driven platform and a large, diversified enterprise customer base reinforce this position.

Plerion
Cloud • Security • Software
Sydney
48 Employees

Plerion is an all-in-one Cloud Security Platform that supports workloads across AWS, Azure, and GCP delivering cloud security posture management, workload security, data security, IAM security, continuous compliance, software bill of materials, shift left security, and more.

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Plerion
Cubic Corporation
Aerospace • Payments • Security • Transportation • Cybersecurity
25 Offices
6,000 Employees
14 Benefits

Cubic Corporation (Cubic) is an international provider of systems and solutions that address the mass transit and global defense markets.

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Cubic Corporation

Cubic Corporation's Top Stability & Growth Strengths

Strong Market Position & Advantage: Cubic is repeatedly characterized as a leader in large-scale transit fare collection and as the de facto standard in live air-combat training instrumentation, supported by marquee deployments (e.g., OMNY, Ventra, Opal) and widespread P5CTS fielding. Sole‑source upgrades and longstanding roles on flagship systems reinforce durable competitive advantages in its two core niches.

Market Expansion: Recent awards in both segments—such as USAF IDIQs for additional P5 pods and security upgrades, plus transit wins like SEPTA Key 2.0, OMNY equipment extensions, PATH, and Tasmania—show a growing footprint and multi‑year workload visibility. Product moves like Open Payments on Umo extend fare technology into mid‑sized agencies, broadening the addressable market.

Investor Backing & Capital Strength: A 2025 recapitalization added new liquidity and equity support from sponsors, reduced debt, extended maturities, and targeted substantial interest savings. In early 2026, an upgrade from selective default to CCC‑ with positive CreditWatch followed a deferred interest arrangement, signaling some near‑term financial relief.

Darktrace
Security • Cybersecurity
27 Offices
1,763 Employees
11 Benefits Hiring Now

Darktrace, a global leader in cyber security AI, delivers world-class technology that protects over 5,500 customers worldwide from advanced threats, including ransomware and cloud and SaaS attacks. The company’s fundamentally different approach applies Self-Learning AI to enable machines to understand the business in order to autonomously defend it. Headquartered in Cambridge, UK, the company has 1,500 employees and over 30 offices worldwide. Darktrace...

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Darktrace

Darktrace's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst recognitions from Gartner, IDC, and KuppingerCole consistently place Darktrace in the Leader tier for NDR, including a repeat in 2026. This suggests durable competitive positioning in its core detection segment.

Strong Revenue Growth: Company disclosures show double-digit ARR and customer growth through FY2024, establishing momentum heading into the take-private. Trading updates and net retention indicators point to a solid recurring-revenue base prior to reduced reporting as a private company.

Investor Backing & Capital Strength: The completed $5.3B Thoma Bravo acquisition in 2024 provides access to capital and software operating expertise to support roadmap and go-to-market scale. Subsequent acquisitions and U.S. facility expansion reflect sponsor-supported investment in growth.

Eftsure
Fintech • Payments • Security • Software
3 Offices
304 Employees
Hiring Now

Eftsure is a fintech and software company providing end-to-end B2B payment protection. Its platform helps businesses onboard, verify, and securely manage vendor information while keeping data current and accurate. Eftsure’s solutions validate business payment data, protect payments, and combat financial fraud. The company serves a growing international market, including Europe, and aims to prevent payment fraud across business transactions.

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Eftsure

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