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Top Cyber Security Companies in Dublin (54)

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.

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.

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.

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.

Sandbar
Fintech • Security • Software • Cybersecurity
2 Offices
10 Employees

Sandbar builds software to stop financial crimes, including anti-money laundering solutions designed to improve the health of the global financial system.

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Sandbar
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: Total revenue increased year over year in Q3 2026 to $2.08 billion, with management raising full-year guidance to roughly $8.1–$8.2 billion and a notable uptick in $1M+ enterprise deals. Billings and product revenue also climbed significantly, signaling strengthening top-line momentum.

Healthy Cash Flow: Free cash flow reached about $865 million for the quarter alongside strong operating margins. These cash-generation levels signal capacity to invest while sustaining growth.

Strong Market Position & Advantage: Recognition as a Leader in Gartner’s Hybrid Mesh Firewall and Enterprise Wired/Wireless LAN Magic Quadrants, plus sustained SD-WAN leadership and IT/OT protection, underscores competitive strength. An integrated networking-and-security platform (FortiOS, Security Fabric, custom processors) and a large global footprint support differentiation.

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)
Enea AB
Artificial Intelligence • Security • Cybersecurity
12 Offices
892 Employees
14 Benefits

Enea is a world-leading specialist in software for telecom and cybersecurity. The company’s cloud-native solutions connect, optimize, and secure services for mobile subscribers, enterprises, and the Internet of Things. More than 100 communication service providers and 4.5 billion people rely on Enea technologies every day. Enea has strengthened its product portfolio and global market position by integrating a number of...

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Enea AB
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
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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
Integrity360
Security • Consulting • Cybersecurity
14 Offices
358 Employees
13 Benefits Hiring Now

Integrity360 is one of Europe’s leading cyber security specialists operating from office locations in the UK, Ireland, Bulgaria and Sweden. The group provides a comprehensive range of professional, support and managed cyber security services that identify and assess, protect and prevent, detect and analyse and respond and recover cyber risks and threats. Working either independently or as an extension of...

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Integrity360
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.

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
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
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.

Veeam
Cloud • Security • Software • Cybersecurity
16 Offices
4,172 Employees
39 Benefits

Veeam provides a single platform for modernizing backup, accelerating hybrid cloud and securing data. Veeam has 400,000+ customers worldwide, including 82% of the Fortune 500 and 69% of the Global 2,000. Veeam’s 100% channel ecosystem includes global partners, as well as HPE, NetApp, Cisco and Lenovo as exclusive resellers, and boasts more than 35K transacting partners worldwide.

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Veeam

Veeam's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst evaluations (Gartner, Forrester) and IDC trackers consistently place Veeam at or near the top of enterprise backup/data protection, including #1 market‑share rankings. Evidence highlights repeated Leader placements and strong execution across virtual, physical, SaaS, and cloud workloads.

Strong Revenue Growth: Disclosures indicate ARR of $1.7B with double‑digit growth in 2024 and crossing to just over $2B by late 2025, alongside share gains in IDC’s 2H 2025 tracker. A late‑2024 secondary valuing the company at about $15B reinforces sustained growth momentum.

Future-Ready Strategy: The company is expanding from backup into end‑to‑end data resilience and AI/data trust, including the Securiti acquisition and launches like the DataAI Command Platform. Deepening SaaS coverage and alliances with HPE and Pure Storage indicate preparation for evolving workloads, security, and governance needs.

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
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
Edgescan
Information Technology • Security • Cybersecurity
Dublin
95 Employees

One platform. Complete visibility. Fixed costs. Unlimited scans. Edgescan is the first fully-integrated cybersecurity platform that unifies five robust solutions into a single combative platform. These solutions include External Attack Surface Management (EASM), Risk-based Vulnerability Management (RBVM), Application Security Testing (AST), API Security Testing and Penetration Testing as a Service (PTaaS). The Edgescan platform is a hybrid solution that provides...

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Edgescan

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