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Lithuania Investigates Major Data Leak of 600,000 Records Linked to Foreign Actors

Lithuania Investigates Major Data Leak of 600,000 Records Linked to Foreign Actors

First seen 26 May 2026, 14:44 UTC

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ThreatCluster AI
ThreatCluster May 27, 2026 at 12:05 UTC
  • Over 600,000 national registry entries were leaked, affecting real estate and legal records.
  • Unauthorized access was gained using credentials from institutions authorized to access the data.
  • Lithuanian authorities suspect foreign involvement, with speculation about Russian intelligence operations.

Lithuanian authorities are investigating a significant data leak involving over 600,000 entries from national registers, believed to be executed by a foreign entity. The breach primarily affected real estate and legal entity records managed by the State Enterprise Centre of Registers. Attackers gained unauthorized access using login credentials of authorized institutions. The head of the Centre of Registers resigned following the incident, and additional cybersecurity measures have been implemented, including account blocks and credential updates. While the specific foreign country involved has not been disclosed, suspicions point towards Russian involvement due to ongoing geopolitical tensions. Opposition figures have raised alarms about the potential exposure of sensitive information related to military and government personnel.

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Timeline

2026-05-25
Data leak announced
Lithuanian authorities revealed a data breach affecting over 600,000 national registry entries, suspected to involve foreign actors.
Apnews
2026-05-25
Head of Centre of Registers resigns
Adrijus Jusas resigned from his position following the data leak announcement, reflecting the severity of the incident.
Apnews
2026-05-26
Investigation continues
The Lithuanian Prosecutor General's Office is actively investigating the data theft, focusing on the methods used by the attackers.
Therecord.Media

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