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Top Cyber Security Companies in Dublin (54)

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 16% in 2025 and increased 14% year over year in Q2 2026, alongside gains in gross dollar volume, cross-border volume, and switched transactions. Feedback suggests this growth spans both the core network and international activity.

Profitability: Operating income and net income grew faster than revenue in Q2 2026 (operating income +17%, net income +19%), with full-year 2025 also showing double-digit profit increases. These results indicate operating leverage and earnings expansion alongside sales growth.

Diversified Revenue Streams: Value-added services and solutions grew roughly 18%–23% in recent periods and now comprise a substantial share of total revenue, including cybersecurity, fraud prevention, authentication, and analytics. This broadens the business beyond card transactions and supports continued expansion.

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: Recent financials show accelerating top-line expansion, with quarterly revenue surpassing the billion-dollar mark and full-year results climbing meaningfully. Momentum continued into 2026, reflecting broad demand across observability, security, and AI-related offerings.

Healthy Cash Flow: Operations are generating substantial operating and free cash flow alongside growth. This pattern persisted through mid-2026, indicating efficient scaling.

Strong Market Position & Advantage: Industry evaluations repeatedly place the company as a Leader in observability and digital experience monitoring, including top positioning for execution. Recognition such as Customers’ Choice and multi-product leadership suggests deep adoption and competitive strength.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
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: Capabilities in more than 140 jurisdictions, the completed Intertrust integration, and investment in a larger Luxembourg office indicate sustained geographic scale-up. Acquisitions such as Intertrust and Eddystone broadened presence across Europe and Asia-Pacific while deepening local delivery.

Strong Market Position & Advantage: Adoption by a large majority of major enterprises and top global brands, plus category strength in registered agent and enterprise domain management, point to entrenched competitive standing. Independent industry recognition in capital-markets operations further underscores visibility in core niches.

Investor Backing & Capital Strength: Independent credit analyses reference mid‑single‑digit organic growth expectations, high profitability, and a large recurring-revenue base, supporting stable financing capacity. Deleveraging and an upgrade from a major ratings agency suggest solid access to capital and prudent balance‑sheet management.

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
120 Benefits Hiring Now
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: Operating and net income remained positive even as revenue softened in recent quarters. This indicates an earnings base that is holding up during a period of slower demand.

Healthy Cash Flow: Free cash flow stayed positive with meaningful generation quarter to quarter, and guidance points to continued cash production. Liquidity is reinforced by a sizable balance of cash, cash equivalents, and government securities.

Future-Ready Strategy: Management is concentrating investment on the Command Platform, detection and response, exposure management, and AI-enabled security operations. This refocus aims to position the portfolio for a return to growth once the transition progresses.

CyberOne Security
Software • Cybersecurity
4 Offices
73 Employees

CyberOne is a dedicated cybersecurity company that improves the security capabilities of customers cost effectively. While focused on services, CyberOne also resells best-of-breed products to provide a complete solution. We partner with our clients to align and execute their long-term security strategy.

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CyberOne Security
Akamai Technologies
Cloud • Security • Software • Cybersecurity
24 Offices
10,285 Employees
27 Benefits
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.

Siemens
Artificial Intelligence • Internet of Things • Security • Cybersecurity
81 Offices
293,000 Employees
41 Benefits

Siemens is a technology company focused on industry, infrastructure, mobility, and healthcare. Creating technologies for more resource-efficient factories and resilient supply chains to smarter buildings and grids, to cleaner, comfortable transportation and advanced healthcare, the company empowers customers to transform the industries that form the backbone of economies, transforming the everyday for billions of people. In fiscal 2020, which ended on...

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Siemens

Siemens's Top Stability & Growth Strengths

Strong Market Position & Advantage: Siemens holds leading positions across industrial automation and software, smart infrastructure, mobility, and healthcare technology (via Siemens Healthineers), with multiple segments ranked first or second and significant contract wins expanding backlog. This breadth provides competitive advantage across diverse high-growth end markets.

Healthy Cash Flow: The company reports strong free cash flow at the Group level in FY2024 and subsequent quarters, supporting investment, M&A, and a new multi‑year share buyback program. Robust cash conversion across industrial businesses underpins financial flexibility.

Resilient & Sustainable Growth: Comparable revenue increased in FY2024 and continued to rise in FY2025 quarters, while orders and book‑to‑bill above 1, a record order backlog, and confirmed FY2025 guidance provide visibility. Growth is supported by electrification, data‑center demand, rail investments, and ongoing portfolio actions.

Vectra AI
Artificial Intelligence • Security • Cybersecurity
12 Offices
460 Employees
33 Benefits Hiring Now

Vectra® is the leader in threat detection and response – from cloud and data center workloads to user and IoT devices. Its Cognito® platform accelerates threat detection and investigation using AI to enrich network metadata it collects and stores with the right context to detect, hunt and investigate known and unknown threats in real time. Vectra offers four applications on...

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Vectra AI
Gen
Security • Cybersecurity
8 Offices
2,006 Employees
35 Benefits

Gen (NASDAQ: GEN) is a global company dedicated to powering Digital Freedom through its trusted Cyber Safety brands, Norton, Avast, LifeLock, Avira, AVG, ReputationDefender and CCleaner. There’s a new generation, and it’s not Gen X, Y, or Z. It’s Gen D: Generation Digital. Our family of consumer brands is rooted in providing safety for the first digital generations. Now, Gen empowers...

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Gen

Gen's Top Stability & Growth Strengths

Strong Revenue Growth: Management reported higher revenue and bookings in Q2 FY2026 and raised full‑year revenue guidance, indicating accelerating top‑line momentum. Q3 guidance also points to continued year‑over‑year growth in the near term.

Healthy Cash Flow: Operating and free cash flow increased year to date alongside non‑GAAP earnings improvements. This cash generation supports reinvestment and provides cushion during integration.

Diversified Revenue Streams: Growth is coming from both the core Cyber Safety business and the expanding Trust‑Based Solutions offerings, including the MoneyLion contribution. The mix shows multiple engines driving bookings and revenue rather than a single product line.

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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
Binarii Labs
Blockchain • Information Technology • Software • Consulting • Cybersecurity
4 Offices
20 Employees

News: Cyqur. Patented Access Credentials Protection. Brought to market by Binarii Labs, the Web3 experts. The core of our platform is that we allow our users decide and control the locations of where their data is securely stored. We created Cyqur solely to serve our own subscribers no one else. Your data. Your rules. Join our pre-sale event here... https://www.cyqur.com

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Binarii Labs
Zettabytes Gold Microsoft Partner
Information Technology • Cybersecurity
3 Offices
47 Employees

Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years. Our value proposition is based around finding and providing the best fit IT solution for our core clients (Solicitors and other small to medium sized professional businesses (SMB's)) and delivering a service we are proud of. Zettabytes have wide range of products...

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Zettabytes Gold Microsoft Partner
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)
Threatscape
Information Technology • Software • Cybersecurity
3 Offices
35 Employees
Hiring Now

We are a pure play IT security company, which allows us to focus solely on protecting your business from cyber threats. We have offices in Dublin, London and Sheffield, but are the trusted security partner of enterprise clients with critical IT assets in over 100 countries around the world. Our mission is to create a secure and certain future for...

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Threatscape
Grouper Technology
Information Technology • Software • Cybersecurity
3 Offices
9 Employees
Hiring Now

Grouper Technology (Grouper®) is partner to some of Europe’s leading organisations in their software modernisation and digital transformation journey. We help organisations create innovative management systems, tools and technologies that empower their quality assurance needs and in particularly, relating to corporate governance, risk, and compliance. Grouper offers two primary pillars of "Specialised Application Solutions” and “IT Advisory Services”. Our advisory...

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Grouper Technology
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
EPAM Systems
Big Data • Cloud • Consumer Web • Healthtech • Software • Cybersecurity • Generative AI
90 Offices
62,850 Employees
37 Benefits
EPAM Systems, Inc. (EPAM) is a global leader in AI transformation engineering and integrated consulting.

EPAM (NYSE:EPAM) is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, EPAM empowers organizations to become AI-Native enterprises, driving measurable value from innovation and digital investments. Recognized by industry benchmarks and leading analysts as a leader in...

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EPAM Systems

EPAM Systems's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests revenue expanded meaningfully in 2025 and continued to rise into 2026, albeit at a slower pace. Annual results indicate double-digit growth for 2025, with subsequent quarters still posting year-over-year increases.

Profitability: Feedback suggests margins and earnings improved alongside growth, with operating income and EPS rising year over year. This points to strengthening profitability even as top-line expansion moderates.

Strong Hiring & Retention: Feedback suggests headcount expanded to roughly 62,850, tracking with business demand. The increase in delivery professionals signals continued scaling of execution capacity.

Silicon Republic
Artificial Intelligence • Information Technology • Machine Learning • Cybersecurity
Dublin
15 Employees

SiliconRepublic.com has been Ireland’s most authoritative voice for science, technology and innovation news and features for more than 20 years. It has been ranked by Onalytica among the top 100 most influential sources on STEM, AI, blockchain, future of work, data science, digital transformation, IoT and fintech. Its coverage also includes in-depth news and features from across Europe’s sci-tech ecosystem,...

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Silicon Republic
Ekco
Software • Cybersecurity
9 Offices
620 Employees
1 Benefits

We’re Ekco: The people who power your possible One of Europe’s leading security-first managed cloud providers. With a network of infrastructure and security specialists across Europe, we’ve perfected our approach to supporting digital transformation. When you have friendly, experienced cloud and security specialists by your side and solutions that just work, you can take your business to the next level. Every risk is...

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Ekco
RE:SURE | A Fortus Company
Cloud • Security • Cybersecurity
Dublin
27 Employees

RE:SURE is part of the Fortus Group, the UK and Ireland's largest privately held CCTV and alarm distribution company. We are leaders in CCTV Monitoring, combining best in class solutions for our installation partners with world class service for end-users. We leverage newest technologies to provide security solutions that actually STOP the crime, rather than record it (traditional CCTV) or...

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RE:SURE | A Fortus Company

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