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Top Cyber Security Companies in Dublin (54)

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
45 Offices
8,500 Employees
106 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: 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.

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.

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.

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
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.

Quest Software
Cloud • Information Technology • Software • Database • Cybersecurity
22 Offices
2,000 Employees
25 Benefits
Innovate. Collaborate. Grow.

Quest Software builds the foundation for enterprise AI with solutions in data governance, cybersecurity, and platform modernization. More than 45,000 companies — including 90% of the Fortune 500 — trust Quest to solve their most critical IT challenges. From securing identities and modernizing platforms to preparing data for AI, we help enterprises unlock their full potential.

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Quest Software

Quest Software's Top Stability & Growth Strengths

Investor Backing & Capital Strength: Private‑equity sponsorship and a significant refinancing/capital infusion reduced cash interest expenses and increased liquidity, providing flexibility for growth initiatives. Financial restructuring actions are framed as creating breathing room to pursue AI‑focused expansion and acquisitions.

Strong Market Position & Advantage: The company is described as serving a very large enterprise customer base, including much of the Fortune 500, and receives high placements in select analyst evaluations across data intelligence and Microsoft‑focused tools. This entrenched footprint supports resilience and cross‑sell potential during the business model shift.

Innovation-Driven Growth: Recent moves include opening a new AI center, rolling out AI‑enabled features across data and identity products, and acquiring an identity‑observability firm to deepen security capabilities. These investments signal a product roadmap oriented toward AI, cloud, and identity security.

Magic Media
Gaming • Information Technology • Software • Cybersecurity
2 Offices
436 Employees

Magic Media is an international tech group powered by building creativity and protecting innovation. We are home to an expansive group of professionals and industry-leading experts across all avenues from interactive entertainment, software, application and game development to cybersecurity, VFX, art and animation. [email protected]

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Magic Media
Xunison
Information Technology • Security • Consulting • Cybersecurity • Automation
Dublin
43 Employees

Xunison: Powering a connected, secure, and sustainable future with smart technology Welcome to the Xunison LinkedIn page! We are thrilled to connect with you and share how our cutting-edge technology can benefit your business. Xunison is an Irish-based technology company that specializes in providing innovative software and hardware solutions to the Telco and ISP industries. Focused on empowering Communications Service...

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Xunison
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Cygnvs
Software • Cybersecurity
3 Offices
77 Employees

CYGNVS is your Out-of-Band Cyber Incident Platform for Leadership, IT/Security, Business Teams and External Providers to collaborate on a successful resolution.

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Cygnvs
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
Dataminr
Artificial Intelligence • Big Data • Computer Vision • Machine Learning • Natural Language Processing • Software • Cybersecurity
7 Offices
776 Employees
33 Benefits
Dataminr's AI platform detects the earliest signals of high-impact events and emerging risks.

Dataminr -- long recognized as one of the world’s leading artificial intelligence (AI) startups -- puts real-time AI and public data to work for our customers, generating relevant and actionable alerts for thousands of users working in more than 100 countries for hundreds of client organizations--spanning global corporations, public sector agencies, NGOs, and newsrooms. As 2020 taught us, the unexpected can...

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Dataminr
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
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.

Knogin
Big Data • Information Technology • Software • Analytics • Consulting • Cybersecurity
Dublin
11 Employees

Agentless cyber defense that brings all your cloud providers, OT, IoT, SCADA and Network defense systems together in an informative storyboard to reduce the amount of work your threat hunting team needs to do to find the bad guys

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Knogin
Truvo Cyber
Security • Consulting • Cybersecurity
2 Offices
10 Employees
Effective security programs first, compliance as a byproduct.

Truvo Cyber is a Canadian cybersecurity consulting firm based in Ottawa, ON, helping growth-stage B2B companies build audit-ready security programs across SOC 2, ISO 27001, ISO 42001, CMMC, CPCSC, HITRUST, HIPAA, PIPEDA, and Quebec Law 25. Founded by Ali Aleali (CEO) and Oksana Zbyranyk (GRC Leader), whose team secured Canada's national payment infrastructure processing $400B nightly, Truvo acts as a...

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Truvo Cyber
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
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
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.

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.

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