According to reports from Finnish media including Yle, Iltalehti, and Hufvudstadsbladet, leaked data includes details related to advance bookings and possibly passenger personal information.
A threat actor known as "bytetobreach" has claimed responsibility on dark web forums, alleging they accessed a full passenger database—including vehicle registration plates—and payment transaction records linked to onboard services via the NetAxept API.
The group reportedly made samples of the data available for free download. Viking Line stated that a large internal team is intensively investigating the incident in cooperation with external experts.
The company described the leaked information as limited but confirmed that certain traveler data was exposed. Swedish communications chief Eleonora Hult din emphasized that operations remain unaffected.
No evidence suggests the breach has impacted core booking systems or ongoing voyages.
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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
