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Top Security Companies in Dublin (36)

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.

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
Cilter
Security • Software
Dublin
15 Employees

Cilter is child-protection software that makes internet use safe for children by analysing ALL data both coming into and going out of the device, filtering it for offensive content and then alerting parents if there is an imminent threat to their child. The purpose of Cilter is to keep childern safe online by preventing them being bullied, coerced, harassed and...

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Cilter
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
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.

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
eCurrency
Fintech • Payments • Security • Financial Services
Dublin
27 Employees

eCurrency Mint is the technology company that has pioneered the world’s first turn-key solution that enables central banks to securely and efficiently issue digital fiat currency. Central Bank Digital Currency is issued and operates alongside notes and coins. eCurrency, the company, is headquartered in Dublin, Ireland, with R&D facilities in Silicon Valley, California. The technology combines hardware, software, and cryptographic...

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eCurrency
GTT
Information Technology • Security • Design
33 Offices
3,031 Employees
29 Benefits

GTT is a managed network and security services provider to global organizations. We design and deliver solutions that leverage advanced cloud, networking and security technologies. We complement our solutions with a suite of professional services and exceptional support teams in local markets around the world. We serve thousands of national and multinational companies with a portfolio that includes SD-WAN, security,...

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GTT

GTT's Top Stability & Growth Strengths

Strong Revenue Growth: Consolidated revenues and EBITDA at Gaztransport & Technigaz increased markedly in 2023–2024 with further growth guided for 2025. A sizable multi‑year order book and recent LNG carrier awards provide strong visibility.

Strong Market Position & Advantage: GTT Communications operates a Tier‑1 global IP backbone across continents and is recognized as a Leader in managed network services by ISG and industry programs. A broad enterprise customer base and continued awards reinforce standing in its specialized domains.

Future-Ready Strategy: Both organizations are investing in forward‑looking capabilities, including hydrogen and alternative fuels (GTT S.A.) and SASE/SD‑WAN platforms plus 400G/800G backbone upgrades (GTT Communications). These initiatives position them to address evolving demand and regulatory drivers.

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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
Tenable
Security • Software
10 Offices
1,847 Employees
37 Benefits Hiring Now

Tenable®, Inc. is the Cyber Exposure company. Over 30,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. As the creator of Nessus®, Tenable extended its expertise in vulnerabilities to deliver the world’s first platform to see and secure any digital asset on any computing platform. Tenable customers include more than 50 percent of the Fortune...

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Tenable

Tenable's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst evaluations consistently recognize the company as a Leader across exposure and vulnerability management, with multi‑year top market‑share placement in its core category. Customer accolades and a broad, unified platform further reinforce competitive positioning.

Resilient & Sustainable Growth: Revenue continues to expand alongside a high recurring mix and rising remaining performance obligations, with recent results tracking ahead of outlook. Full‑year guidance indicates ongoing expansion in 2026, pointing to durable growth even as the pace moderates.

Profitability: Margins and earnings on a non‑GAAP basis improved year over year, and unlevered free cash flow reached new highs. Management also guides to further profit and cash flow gains, indicating strengthening operating leverage.

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
ReliaQuest
Big Data • Cloud • Information Technology • Security • Software
7 Offices
1,140 Employees
26 Benefits

ReliaQuest provides a SaaS security platform designed to minimize data loss and business disruptions. ReliaQuest, a global leader in Open XDR-as-a-Service, is the force multiplier for security operations teams. ReliaQuest GreyMatter, a cloud-native Open XDR platform brings together telemetry from any security and business solution—on-premises, in one or multiple clouds--to unify detection, investigation, response and resilience. ReliaQuest combines the power of...

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ReliaQuest

ReliaQuest's Top Stability & Growth Strengths

Investor Backing & Capital Strength: The company has secured substantial funding across multiple rounds, including a large Series E round in 2025 at a multibillion-dollar valuation, providing resources to accelerate innovation and expansion.

Strong Revenue Growth: Annual recurring revenue is described as having grown multiple times since 2020, surpassing a major scale milestone, alongside continued year-over-year growth and profitable operations.

Diversified Customer Base: The business serves a large global customer set including many large enterprises across multiple sectors, supporting stability through broad demand sources.

Smartfrog
Information Technology • Internet of Things • Security • Software
Dublin
20 Employees

Smartfrog is a tech company focused on the “Internet of Things”, which is about making everyday objects more intelligent and connected to the internet, enabling the user to access them from anywhere at any time. We want the latest technologies to be affordable and user-friendly, so that our everyday lives become more comfortable, more efficient and more secure

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Smartfrog
Moonshot
Security • Software
2 Offices
58 Employees
1 Benefits Hiring Now

From digital capacity building to counter-messaging campaigns, we use data-proven techniques to ensure our clients respond to online harms effectively.

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Moonshot
Allegion
Security
14 Offices
10,001 Employees
24 Benefits

Allegion (NYSE: ALLE) is a global pioneer in seamless access, with leading brands like CISA®, Interflex®, LCN®, Schlage®, SimonsVoss® and Von Duprin®. Focusing on security around the door and adjacent areas, Allegion secures people and assets with a range of solutions for homes, businesses, schools and institutions. Allegion had $2.7 billion in revenue in 2020, and its security products are...

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Allegion

Allegion's Top Stability & Growth Strengths

Strong Market Position & Advantage: Allegion is positioned as a leader in security products and access solutions, anchored by well-known brands and a strong competitive presence—particularly in its Americas business where pricing power and profitability are highlighted. Its scale, broad product coverage “around the door,” and continued relevance versus major competitors support resilience in core segments.

Profitability: Profitability appears strong, with expanding operating margins and rising adjusted EPS cited across 2024–2025 results. Consistent dividend increases also signal confidence in sustained earnings power and disciplined capital returns.

Healthy Cash Flow: Cash generation is described as robust, with available cash flow rising materially and funding dividends, buybacks, and acquisitions. Guidance also indicates continued strong cash conversion relative to earnings, supporting investment capacity and stability.

Axway
Cloud • Security • Software
12 Offices
2,100 Employees
15 Benefits Hiring Now

Axway gives heritage IT infrastructure new life, helping more than 11,000 customers worldwide build on what they already have to digitally transform, add new business capabilities, and drive growth.

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Axway
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.

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.

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

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