Ireland’s position as a crucial hub for transatlantic data cables makes it vital to the global digital economy. However, the country’s ability to protect this critical infrastructure from potential hostile attacks is under scrutiny. Experts are raising concerns about Ireland’s limited naval resources and a lack of investment in surveillance and defense systems. The discussion highlights growing geopolitical tensions as a key factor increasing the urgency of bolstering maritime security. With most transatlantic data flowing through or near Irish waters, disruption could severely impact businesses, banking, and public services. Investment in protective measures is considered increasingly essential to safeguard Ireland’s digital lifeline and national interests. Failure to address these vulnerabilities could have significant economic and societal consequences.