Dresden museum cyberattack lasted multiple days, German authorities reveal

German authorities revealed on July 30, 2026 that a targeted cyberattack on the Staatliche Kunstsammlungen Dresden (SKD), a fifteen-museum network housing works by Vermeer and Rembrandt, lasted multiple days — longer than disclosed when the breach was detected on January 21, 2026. The SKD website went offline for eight days. The SKD has not stated whether collection data was accessed.