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Top Cyber Security Companies in Dublin (55)

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 results show accelerating top-line momentum, with FY2025 up 28% and Q2 2026 revenue up 36% year over year after 32% in Q1. Management also raised 2026 revenue guidance to $4.45B–$4.47B, indicating confidence in continued expansion.

Healthy Cash Flow: Cash generation is substantial, including Q2 2026 operating cash flow of $316M and free cash flow of $279M with about a 25% free-cash-flow margin. The company also reported roughly $5.0B in cash, cash equivalents and marketable securities as of June 30, 2026.

Customer Loyalty & Retention: Expansion within the installed base is a key driver, with about 75% of the 2025 revenue increase coming from existing customers and rising multi‑product adoption. Larger accounts are also expanding, as $100K+ ARR customers grew roughly 23% year over year to ~4,720 in Q2 2026.

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

Strong Market Position & Advantage: Customer base is described as including a very large share of major global enterprises across Fortune-ranked companies, top brands, and leading private equity firms, indicating entrenched enterprise reach. This positioning underscores a strong competitive footing across multiple service lines.

Market Expansion: Operations have scaled to capabilities in more than 140 jurisdictions, aided by the approximately $3 billion Intertrust acquisition and its full integration in 2024. Continued investment and activity are highlighted across Europe, the Americas, Asia-Pacific, and the Middle East.

Product Line Growth: The company has expanded from incorporation services into corporate/legal compliance, fund administration, capital markets, tax, digital brand protection, domain services, and global subsidiary management. Corporate and Legal Solutions is described as the largest revenue-generating unit with a sizable workforce.

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 at double‑digit rates in 2025 and continued to increase at a similar pace in early 2026, supported by higher gross dollar volume, cross‑border activity, and switched transactions. The multi‑quarter trend indicates consistent top‑line momentum rather than a one‑off spike.

Profitability: Operating income outpaced revenue growth in 2025, expanding margins, while net income and EPS also advanced strongly. This points to operating leverage as volumes and higher‑yield cross‑border flows scale.

Diversified Revenue Streams: Value‑added services and solutions grew markedly faster than the core network, with security, digital authentication, analytics, and consulting cited as key contributors. This mix shift broadens growth beyond card payment fees and supports resilience.

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
120 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: Bottom-line performance is strengthening, with consistent earnings beats, improved non-GAAP operating income, and durable free cash flow. Management is prioritizing margin expansion alongside operational efficiency.

Healthy Cash Flow: The business is generating solid free cash flow, with recent periods and guidance pointing to sustained cash generation. This supports stability even as revenue growth moderates.

Strong Market Position & Advantage: The company is repeatedly recognized as a leader in MDR, exposure management, and SIEM by major analyst programs. A large global customer base underscores established scale in its core markets.

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.

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
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
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
Prove
Fintech • Mobile • Security • Software • Cybersecurity
10 Offices
320 Employees
35 Benefits
Prove is the leader in mobile & digital identity authentication for the connected world.

As the world moves to a mobile-first economy, businesses need to modernize how they acquire, engage with and enable consumers. Prove’s phone-centric identity tokenization and passive cryptographic authentication solutions reduce friction, enhance security and privacy across all digital channels, and accelerate revenues while reducing operating expenses and fraud losses. Over 1,000 enterprise customers use Prove’s platform to process 20 billion...

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Prove

Prove's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is reported to have increased year over year in 2025. Earlier disclosures and independent estimates also indicate rapid expansion over prior years.

Strong Market Position & Advantage: Adoption by thousands of enterprises, including most top U.S. banks, and very high authentication volumes point to a leading position in phone-centric identity. Multiple industry recognitions and a substantial patent estate further reinforce this standing.

Market Expansion: New international investments, including an expansion in Ireland with added hiring, and broader global coverage claims signal ongoing geographic scaling. Rising enterprise adoption since 2023 supports a widening commercial footprint.

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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
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
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
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.

PFH Technology Group
Information Technology • Cybersecurity
4 Offices
594 Employees
9 Benefits Hiring Now

PFH Technology Group, a Ricoh Company, is Ireland's largest ICT services and solutions provider with 800+ employees (600+ technical). We deliver innovative, end-to-end technology solutions to businesses across public and private sectors. With a nationwide presence and a reputation for excellence, PFH specialises in IT infrastructure, cloud services, cybersecurity, managed services, and workplace transformation. As a trusted partner, PFH combines technical...

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PFH Technology Group
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
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.

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
Storm Technology Limited
Cloud • Information Technology • Consulting • Cybersecurity
4 Offices
350 Employees

Storm Technology is a Microsoft Solutions Partner with over 30 years of experience, specializing in helping clients expand the possibilities of what digital technology can achieve for their business. The company provides expertise in digital technology advancement and adoption, delivering strategic consultancy and managed IT services. In August 2024, Storm Technology was acquired by Littlefish, a managed IT and cyber...

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Storm Technology Limited
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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