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Top Cyber Security Companies in Dublin (52)

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

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Mastercard

Mastercard's Top Stability & Growth Strengths

Strong Revenue Growth: Net revenue rose 14% year over year in Q2 2026 (12% currency‑neutral) to $9.3B, with first‑half 2026 up 15% and full‑year 2025 up 16% (15% currency‑neutral). These results indicate sustained top‑line momentum across recent periods.

Diversified Revenue Streams: Value‑Added Services & Solutions grew 20% in Q2 2026 (18% currency‑neutral) and 23% in 2025, outpacing Payment Network growth. This mix shift adds a faster‑growing second engine alongside the core network.

Resilient & Sustainable Growth: Transaction fundamentals remained healthy in Q2 2026—gross dollar volume +8% to $2.9T, cross‑border +12%, and switched transactions +9% (local‑currency). Multi‑year growth from 2025 into the first half of 2026 underscores durable momentum.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
41 Offices
8,500 Employees
99 Benefits Hiring Now
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world.

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

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CSC

CSC's Top Stability & Growth Strengths

Market Expansion: CSC operates in 140+ jurisdictions and opened a larger Luxembourg office in June 2024 to build for continued growth, citing an expanding local client base and about 600 staff there. Headcount disclosures reiterate a global workforce of more than 8,000, reflecting a broader operational footprint.

Product Line Growth: The Intertrust acquisition and full migration to the CSC brand in April 2024 expanded capabilities across corporate, fund, and capital‑markets administration. The Eddystone Financial Services acquisition in June 2023 added loan agency services in Australia and New Zealand, broadening regional offerings.

Strong Market Position & Advantage: CSC highlights service to more than 90% of the Fortune 500 and the 100 Best Global Brands, indicating deep enterprise penetration. Company materials emphasize a large, integrated platform serving clients in 140+ jurisdictions.

Datadog
Artificial Intelligence • Cloud • Security • Software • Cybersecurity
16 Offices
6,500 Employees
104 Benefits Hiring Now
We are building the monitoring and security platform for developers, IT ops teams and business users in the cloud age.

Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers' entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes...

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Datadog

Datadog's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is accelerating, with early‑2026 results exceeding the prior year’s pace and the full‑year outlook raised to reflect continued momentum. Large‑customer additions further reinforce top‑line expansion at scale.

Healthy Cash Flow: Operating and free cash flow remain substantial, including strong generation in Q2 2026 and across FY2025. This liquidity provides flexibility to invest while sustaining growth.

Innovation-Driven Growth: New AI‑powered capabilities—such as Bits AI offerings, GPU Monitoring, and an agent builder—were launched around Q1–Q2 2026 and at DASH 2026, supporting usage and upsell. Broader multi‑product adoption and growth in high‑ARR cohorts are highlighted across recent updates.

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
99 Benefits
Take Command of your Career

At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing...

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Rapid7

Rapid7's Top Stability & Growth Strengths

Profitability: Q2 2026 delivered positive GAAP operating income of $3.0M and non‑GAAP operating income of $28.9M, with management raising the 2026 non‑GAAP operating income outlook. This indicates margin improvement even as the top line softens.

Healthy Cash Flow: Free cash flow was $31.9M in Q2 2026 and management is targeting around $125–$135M for full‑year 2026. This ongoing cash generation underscores improved efficiency during a reset year.

Investor Backing & Capital Strength: Cash and short‑term investments increased to about $703M as of June 30, 2026, up from roughly $657M at year‑end 2025. This liquidity provides flexibility amid slower ARR and revenue trends.

Verizon
Information Technology • Internet of Things • Other • Cybersecurity • Infrastructure as a Service (IaaS)

Verizon is one of the world’s leading providers of technology and communications services, transforming the way we connect across the globe. We're a diverse network of people driven by our shared ambition to move the world forward - collectively building the network America relies on most. Here, we have the ability to learn and grow at the speed of technology,...

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Verizon

Verizon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Verizon is positioned as a U.S. wireless leader by scale and enterprise reach, with repeated references to leadership by subscribers and differentiated enterprise/private 5G capabilities. Network reliability is also framed as a key advantage that supports premium positioning amid competition.

Market Expansion: The fiber footprint expands materially through the Frontier Communications acquisition, increasing broadband reach and strengthening the mobility-and-home convergence strategy. Fixed wireless access and broadband subscriber additions are described as ongoing growth vectors supporting a broader footprint.

Healthy Cash Flow: Cash generation is emphasized through guidance and commentary pointing to strong free cash flow that can fund spectrum, fiber, and 5G investments. Improved guidance and continued investment capacity are presented as resilience enablers even as competitive pressure rises.

Forcepoint
Security • Software • Cybersecurity
16 Offices
1,868 Employees
37 Benefits
We protect and secure our customer’s rapidly evolving digital world by providing a Data-First SASE solution.

We protect and secure our customer’s rapidly evolving digital world by providing a Data-First SASE solution. Forcepoint is the people-centric cybersecurity company that understands behavior and adapts security response and enforcement to risk. The Forcepoint ONE Platform simplifies security for companies around the world. We live by our values of being customer-centric, simplicity-focused, innovative, trustworthy and ethical, and people-centric.

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Forcepoint

Forcepoint's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst evaluations recognize Forcepoint as a Leader in DLP and as a Leader in Forrester’s 2024 SSE Wave. This cross-category recognition indicates competitive strength, especially in data-first security.

Product Line Growth: Recent moves such as rebranding to Data Security Cloud, launching new AI-driven capabilities, and acquiring Getvisibility expanded coverage into DSPM/DDR. These additions signal ongoing investment to broaden the data security platform.

Strategic Partnerships: New alliances (e.g., Plurilock and collaboration with F5 for AI security) and emphasis on channel motion suggest expanding go-to-market reach. Such partnerships can open routes to market expansion and reinforce platform adoption.

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: Revenue is described as accelerating into 2026 with notable year-over-year increases in multiple quarters, supported by rising billings and upgraded full-year guidance. Feedback suggests momentum is broad-based across segments like Unified SASE and SecOps.

Profitability: Operating margins are characterized as high, with references to record non-GAAP operating margin and strong EPS performance. Feedback suggests profitability is growing alongside top-line expansion.

Healthy Cash Flow: Free cash flow is noted as strong, including a substantial quarterly figure approaching $1 billion and multibillion full-year levels. Feedback suggests sustained cash generation accompanies growth.

MetaCompliance
Information Technology • Software • Cybersecurity • Automation
5 Offices
232 Employees

With 18+ years of experience in the Cyber Security and Compliance market, MetaCompliance provides an innovative solution for staff information security awareness and incident management automation. The MetaCompliance platform was created to meet customer needs for a single, comprehensive solution to manage the people risks surrounding Cyber Security, Data Protection and Compliance. The solution provides an easier approach to managing...

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MetaCompliance
Pablosec Solutions
Security • Consulting • Cybersecurity
Dublin
5 Employees
Helping organisations in Ireland & the UK secure complex environments with scalable, real-world solutions.

We design, deploy and secure advanced network infrastructures for organisations that demand high performance, resilience, and uncompromising security. Our expertise spans enterprise IT, Operational Technology (OT) environments, and critical infrastructure, where reliability and security are non‑negotiable. With deep hands‑on experience in Fortinet, Cisco, and high‑performance network architectures, Pablosec delivers solutions that go beyond theory focused on real‑world implementation, scalability, and long‑term...

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Pablosec Solutions
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Certification Europe
Business Intelligence • Cybersecurity
Dublin
84 Employees

Established in 1999, Certification Europe is in a league of its own among accredited certification bodies worldwide. In the local and international environment, we are proud of our expertise, we are considered an authority in Information Security Management Systems (ISO 27001), as well as thought leaders in our fields of expertise. We assess companies for certification to a dynamic portfolio...

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Certification Europe
SAP
Artificial Intelligence • HR Tech • Information Technology • Software • Database • Cybersecurity • Big Data Analytics
52 Offices
105,328 Employees
49 Benefits
At SAP, we grow, we lead, we innovate. As colleagues, we support, challenge, and inspire one another every day.

SAP is one of the world’s leading producers of software for business process management. Today, SAP has over 250 million cloud users and more than 100 solutions covering all industries and business functions. Every day, we help companies and organizations of all sizes and industries to run their businesses profitably, to adapt continuously, and grow sustainably.

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SAP

SAP's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent trackers place SAP at or near the top of enterprise applications by revenue, and leading analyst evaluations consistently name it a Leader in cloud ERP across key segments. Breadth in adjacent areas like supply chain planning and accounts‑payable automation reinforces advantage across end‑to‑end processes.

Strong Revenue Growth: Recent full‑year results show accelerating top‑line momentum led by cloud, with Cloud ERP outpacing the broader portfolio. Guidance points to continued double‑digit cloud expansion, indicating sustained demand.

Profitability: Non‑IFRS operating profit increased markedly and free cash flow nearly doubled in 2025, reflecting improved margins as the cloud mix scales. The rising share of more predictable revenue supports earnings quality.

Akamai Technologies
Cloud • Security • Software • Cybersecurity
24 Offices
10,285 Employees
27 Benefits Hiring Now
Akamai powers and protects life online by solving the toughest challenges and turning the impossible into the possible.

At Akamai, we make life better for billions of people, billions of times a day. Every moment, billions of people, all over the world, are using the internet to shop, play games, look after finances, learn remotely, share videos, connect across the world, and so much more. These life-shaping digital experiences wouldn’t be possible without Akamai. We power and protect life...

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Akamai Technologies

Akamai Technologies's Top Stability & Growth Strengths

Product Line Growth: Security remains the largest business and is expanding, while Cloud Infrastructure Services tied to compute and AI is growing rapidly. A multi‑year AI infrastructure commitment is reinforcing momentum in these newer lines.

Strong Market Position & Advantage: Across CDN/edge delivery and WAAP, the company is consistently evaluated as a leader by major analysts, with scale and an integrated portfolio cited as strengths. Independent assessments in DDoS mitigation, WAAP, and edge delivery reinforce leadership in core markets.

Future-Ready Strategy: The company is investing to evolve from CDN/security into a fuller cloud and edge compute platform, including GPU build‑outs and an AI‑focused infrastructure roadmap. Management signals stronger out‑year growth potential as large AI deals scale.

Nostra
Information Technology • Security • Software • Consulting • Cybersecurity
Dublin
226 Employees

Nostra was established over 17 years ago and in that time has become one of Ireland’s most trusted providers of Managed IT and Cyber Security Services for a wide range of sectors. Working with the world’s most advanced, innovative, and reliable technologies, Nostra enables businesses to grow by taking IT off the management team’s agenda, allowing them to focus on...

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Nostra
Mesh - Email Security Redefined for MSPs
Security • Cybersecurity
Blackrock
16 Employees

Mesh is the world's first email security platform built exclusively for managed service providers, empowering them to deploy, protect, and manage their clients more efficiently. While other solutions force MSPs to manage their clients individually, Mesh provides true-multi-tenancy, affording MSPs unparalleled visibility and control over email across their entire client base, from a single pane of glass - The MSP...

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Mesh - Email Security Redefined for MSPs
Riot (tryriot.com)
Information Technology • Cybersecurity
22 Offices
105 Employees
43 Benefits

In today's world, most successful cyberattacks start by a human failure. We're making the platform that makes it easy to prepare your employees for cyberattacks, in a way they love.

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Riot (tryriot.com)
OUTSOURCE
Information Technology • Cybersecurity
5 Offices
46 Employees

An award winning, locally owned, IT Managed Security Services Provider (MSSP) working with SME/Enterprise customers across the UK, Ireland and internationally. Outsource solutions and services, covering from 'the desktop to the data centre' are all underpinned by our "Security First" approach and focus on improving the security, performance and productivity of every company we partner with. We also offer a suite...

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OUTSOURCE
Ergo Services Ltd
Information Technology • Consulting • Cybersecurity
Dublin
964 Employees
6 Benefits

Business and IT leaders trust Ergo. By embracing the relentless pace of change and the power of technology to navigate it, we steer clients away from risk and towards reward. Putting our people at the heart of problem solving, we forge long-lasting relationships with our customers and partners, offering expert advice and bespoke IT solutions that align with each client’s unique...

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Ergo Services Ltd
Dectar
Consulting • Cybersecurity • Automation
Dublin
35 Employees

Dectar is an innovative European cyber security firm focused on proactively preventing cyberattacks and protecting the critical data at the core of every organisation. With offices in Ireland and Italy, the company develops ACSIA XDR Plus (Automated Cyber Security Intelligence Application), an Extended Detection and Response solution, that includes Threat Intelligence and Anti-Surveillance protection in our core XDR product. We...

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Dectar
UST
Information Technology • Analytics • Cybersecurity
58 Offices
28,946 Employees
29 Benefits

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds...

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UST
Exclusive Networks
Software • Cybersecurity
63 Offices
2,432 Employees
8 Benefits Hiring Now

Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and organisations. Our distinctive approach to distribution gives partners more opportunity and more customer relevance. Our specialism is their strength – equipping them to capitalise on rapidly evolving technologies and transformative business models. The Exclusive story is...

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Exclusive Networks

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