Ireland has emerged as a leading hub for cybersecurity innovation and investment. Dublin, in particular, has cemented its position as the nerve centre of cybersecurity talent in Ireland: home to global tech and financial services firms, world‑class academic institutions, and a growing ecosystem of cyber specialists and consultancies. With Ireland generating some of the highest numbers of STEM graduates in the EU and offering a clear regulatory environment and strong R&D incentives, the capital attracts both local and international firms looking to build and scale cybersecurity capabilities. Of the 632 cybersecurity firms operating across the island of Ireland, 399 have set up offices in Dublin. This is a clear sign of the city’s growing influence in this space that is underpinned by a booming tech ecosystem.
The broader cybersecurity sector, encompassing both Ireland and Northern Ireland, generated an estimated €3.2 billion in the most recent financial year, as per a joint report by Cyber Ireland and NI Cyber. With more than 10,000 people employed across these companies, Ireland now boasts one of the largest cybersecurity ecosystems in Western Europe, with cybersecurity in Dublin leading the charge. It benefits from the strong presence of multinational companies as well as a vibrant network of indigenous enterprises, with 41% of companies headquartered in Ireland and 7% in Northern Ireland.
Why cybersecurity in Dublin is booming
Dublin remains a magnet for foreign investment, particularly for firms seeking a European base. Its English speaking, highly educated workforce, strategic access to the European Union (EU) and strong alignment to US markets make it an attractive destination.The region, which has the highest concentration of security companies in Ireland, is home to tech giants and financial services powerhouses, including Microsoft, Amazon and Zurich, all of which have invested heavily in cybersecurity in Dublin.
Similarly, there is a strong base of indigenous small and medium-sized enterprises (SMEs), particularly managed security service providers (MSSPs) such as Integrity 360, contributing to the growth of security companies in Ireland.
Dublin’s universities are feeding the talent pipeline, offering specialised cybersecurity programmes at Technological University Dublin (TUD), University College Dublin (UCD), and Dublin Business School. Research hubs like the CeADAR Centre of Applied AI, the Centre for Cybersecurity and Cybercrime Investigation at UCD, and TUD’s Collaboratory support innovation in the field.
In addition, Dublin houses Ireland’s National Cyber Security Centre, which is responsible for advising and informing government IT and critical national infrastructure providers of current threats and vulnerabilities.
Key companies driving cybersecurity in Dublin
Ireland is home to a battery of globally recognised cybersecurity companies such as CrowdStrike, McAfee, Proofpoint, Mandiant (now owned by Google), ESET, Fortinet, Trellix, Trend Micro and Symantec (now part of Broadcom).
Alongside them are mainstream tech players with cybersecurity arms in Ireland, including AWS and Hewlett Packard Enterprise. In this section, we will look at some of the prominent cybersecurity companies based in Dublin.
Tines
One of the success stories of cybersecurity in Dublin, Tines hit unicorn status in 2025 after raising $125 million in a Series C funding round. Founded by cybersecurity experts Eoin Hinchy and Thomas Kinsella in 2018, the Irish security firm uses AI to automate workflows, offering its clients, which includes Coinbase, Sophos, and Reddit, with tools to streamline operations, enhance productivity and mitigate risk. Co-headquartered in Dublin and Boston, Tines’ software allows employees to automate security workflows without needing technical skills, freeing up software engineers to focus on mission-critical tasks, rather than getting bogged down in mundane ones.
Integrity360
Integrity360, a Dublin-based cybersecurity company, has announced an investment of €8 million in a new Security Operations Centre facility in Sandyford, which will create around 200 jobs by 2026. Founded in 2005, Integrity360 provides a suite of cybersecurity services that identify, protect, analyse and respond to cyber risks and threats. These include incident response, penetration testing, consulting and compliance, cyber infrastructure design and project management.CalypsoAI
CalypsoAI, an artificial intelligence security firm based in US, chose Dublin as its global co-headquarters in 2024. The company, which provides security and compliance solutions to its clientele, also announced the expansion of its workforce in Ireland to 100 people over the coming year. CalypsoAI specialises in protecting AI systems against data leakage, misuse and misbehaviour, empowering large organisations to safely deploy GenAI at scale.Ekco
A Dublin-based MSSP, Ekco provides end-to-end cybersecurity services and is rapidly expanding its presence in the UK. In 2025, the security provider strengthened its offering with the acquisition of Manchester-based Predatech. This was Ekco’s fourth such acquisition in less than two years, following Radius Technologies, CTS, and Bluecube.Expel
US based Expel announced plans to establish a fully remote Irish team of 50 in 2024 in a bid to expand its presence in the EMEA region. Founded in 2016, the managed detection response provider safeguards firms by providing a suite of solutions including AWS security, email threat detection, and security information and event management (SIEM) coverage.Top trends shaping cybersecurity in Ireland
Cybersecurity remains the most pressing concern for business leaders. According to PwC’s 2025 Digital Trust Insights survey, around 66% of Irish organisations expect to increase their cyber budgets in 2025. A striking 74% of Irish firms are prioritising cyber risk mitigation in the year ahead. This is far higher than their global counterparts (57%).Third-party breaches now rank as the biggest concern for Irish businesses surpassing worries surrounding ransomware and cloud vulnerabilities, as reliance on third parties continues.
Notably, the arrival of generative AI so far appears to be a double-edged sword for the sector. Nearly 80% of companies globally have ramped up their investment in GenAI to firm up cybersecurity defence, particularly in threat detection and response, threat intelligence and malware detection.
However, 68% of global security executive believe GenAI has increased cyber-attack vulnerabilities, while 40% cite internal mistrust as a barrier to AI adoption.
Ireland’s cybersecurity leaders also face regulatory pressure. Irish businesses, in comparison to global counterparts, are less confident about their compliance with Network and Information Security (NIS2) Directive, the EU AI Act and the Digital Operational Resilience Act (DORA).
But an overwhelming majority of global companies (96%) admitted that such regulations have driven increased investment in cybersecurity.
Conclusion
Dublin can build on its strengths as an international hub in Europe to further grow appropriate FDI in cybersecurity. The city’s reputation as European cybersecurity powerhouse is driven by global players, AI companies in Ireland, homegrown innovators, and a supportive ecosystem of research institutions and skilled talent. While new technologies like GenAI and evolving regulations present both opportunities and challenges, cybersecurity in Dublin and across the country appears on course to navigate the road ahead, provided it focuses on strengthening its cyber resilience activities through polices like NIS2 and DORA.