Incidents in country:
4 incidents catalogued
The Czech government publicly attributed a years-long cyber-espionage campaign against an unclassified network of its Ministry of Foreign Affairs to APT31, a group linked to China's Ministry of State Security. The intrusion, active since at least 2022, targeted designated critical national infrastructure.
A ransomware attack forced Brno University Hospital — one of Czechia's largest hospitals and a major COVID-19 testing centre — to shut down its entire IT network, cancel surgeries, and divert acute patients at the height of the early pandemic.
An Emotet–TrickBot–Ryuk malware chain crippled the Rudolf and Stefanie Hospital in Benešov, Czech Republic, knocking out X-ray, ultrasound, and laboratory systems and paralysing the facility for weeks. The hospital did not pay the ransom and reported no patient-record loss.
In July 2017, the Czech Republic e-commerce site MALL.cz suffered a data breach after which 735k unique accounts including email addresses, names, phone numbers and passwords were later posted online.