Poland’s National Centre for Nuclear Research (NCBJ) has confirmed that its IT infrastructure was recently targeted in a cyberattack, highlighting growing cybersecurity risks across critical infrastructure sectors. The attempted intrusion was successfully detected and neutralized, preventing any disruption to operations, research activities, or nuclear safety systems.

The incident, disclosed on March 12, 2026, underscores the increasing importance of advanced cybersecurity frameworks and real-time threat detection in safeguarding sensitive national assets. According to the institute, automated monitoring systems and rapid response protocols enabled security teams to identify suspicious activity early and block the attack before it could escalate.

The cyberattack specifically targeted NCBJ’s internal IT infrastructure. However, the organization confirmed that its defensive systems functioned as designed, ensuring that the threat was contained without compromising critical systems. Early detection allowed cybersecurity teams to isolate the intrusion attempt and prevent unauthorized access to sensitive networks.

Officials stated that all cybersecurity procedures were executed in accordance with established protocols. The integrity of the institute’s systems remained intact throughout the event, demonstrating the effectiveness of proactive threat monitoring and incident response strategies.

Prof. Jakub Kupecki, Director of the National Centre for Nuclear Research, emphasized that operational safety was never at risk. He confirmed that all safety mechanisms performed correctly and that both research and operational processes continued without interruption.

The institute also reassured stakeholders that the MARIA research reactor, one of Poland’s most critical nuclear research facilities, continues to operate safely and at full capacity. The attempted cyberattack had no impact on reactor operations, production, or scientific experiments.

The MARIA reactor plays a vital role in isotope production, nuclear research, and scientific innovation. Due to its strategic importance, it is protected by multiple layers of cybersecurity and physical security controls. During the incident, all monitoring systems reported normal operating conditions, confirming that the facility remained secure.

Following the incident, NCBJ coordinated with key government and cybersecurity agencies, including NASK–PIB, the Ministry of Digital Affairs, and the Ministry of Energy. Senior officials, including Deputy Prime Minister Krzysztof Gawkowski, are involved in assessing the situation and strengthening national cybersecurity defenses.

Authorities are actively investigating the attempted breach to identify its origin and methods. While no details about the threat actors have been disclosed, the incident reflects a broader global trend of cyberattacks targeting critical infrastructure such as energy, healthcare, and research institutions.

As cyber threats continue to evolve, organizations are increasingly adopting AI in cybersecurity, automated threat detection, and real-time monitoring systems to protect sensitive infrastructure. NCBJ confirmed that its systems are operating normally and that it remains fully prepared to respond to future threats.

The incident serves as a reminder of the importance of resilient cybersecurity strategies in protecting national infrastructure, ensuring operational continuity, and maintaining public trust in essential services.

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