Cyber Incident Victim: Slovakia

In early June 2018, Slovakia experienced a series of coordinated cyberattacks targeting critical government-operated online services. The National Network and Electronic Services Agency (NASES) publicly confirmed on June 12 that distributed denial-of-service (DDoS) attacks had disrupted multiple Slovak websites over recent days. Attackers originating from various global locations flooded target systems with traffic, overwhelming their capacity to respond to legitimate requests. Among the primary targets were slovensko.sk—the central portal for Slovak public administration services—and the Slovak Hydro-meteorological Institute (SHMÚ) website, both part of the Govnet cabinet network infrastructure managed by NASES. The attacks represented a broad assault on Slovakia's digital infrastructure, with NASES noting that other unspecified Slovak websites were also compromised during this campaign. The timing and simultaneous targeting of multiple government-affiliated platforms suggested a coordinated effort to disrupt essential public services.

The DDoS attacks caused operational disruptions to affected websites, though the exact duration and severity of service degradation weren't quantified in public reports. As the managing authority for these critical systems, NASES assumed responsibility for incident response and mitigation efforts, though specific technical countermeasures weren't disclosed. The targeting of SHMÚ's meteorological platform raised concerns about potential secondary impacts on weather-dependent sectors, while the compromise of slovensko.sk—a central hub for citizen-government interactions—threatened the continuity of digital public services. No group claimed responsibility for the attacks, and NASES did not release attribution details regarding the international attackers. The agency's June 12 announcement served as both a situational update and an official acknowledgment of ongoing cybersecurity challenges facing national infrastructure.