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Russian cyber intrusions into Hungarian government

Updated 2 times since CLSTR started tracking revisions of this situation.

What changed

2026-08-02 19:34 UTC → 2026-08-11 08:24 UTC · added removed

In late July 2026, intelligence‑linked intelligence-linked Russian APT groups, including the long‑standing Turla team, breached the Hungarian foreign ministry’s network and Slovak government servers, also targeting Slovak railways and several EU ministries. servers. A week later, a separate subsequent cyberattack hit targeted the Hungarian State Treasury’s agricultural and regional development IT network. The intrusion encrypted While early reports on August 2 indicated that internal files but, according to officials, did not compromise were encrypted but client data. Early investigations data remained uncompromised, newer developments suggest a more severe breach. By August 11, reports emerged that hackers had accessed sensitive databases containing information on pensions, family support, and agricultural subsidies. The attack, also traced the activity to Russian servers; servers, allegedly exploited central databases protected by outdated and weak passwords. Cybersecurity experts have characterized the Treasury’s specialists isolated incident as an “IT disgrace,” noting that the affected systems and limited breach may have compromised critical records used to determine pension eligibility, such as service while a joint probe by history, income, and contribution data. The Hungarian State Audit Office had previously issued warnings in 2019 regarding vulnerabilities in IT systems inherited from the National Pension Insurance Directorate. The National Cyber Security Institute (NKI) and the National Authority for Data Protection and Freedom of Information (NAIH) began. Authorities continue to restore full functionality and have reported the breach, underscoring conduct a persistent pattern of Russian‑linked cyber activity against Hungarian state institutions and prompting heightened security measures within Hungary’s cyber‑defence agencies. joint investigation. The Treasury’s IT systems currently remain at limited capacity as authorities manage damage control.

Versions

  1. 2026-08-11 08:24 UTC Russian cyber intrusions into Hungarian government
  2. 2026-08-02 19:34 UTC Russian cyber intrusions into Hungarian government
  3. 2026-08-02 19:29 UTC Russian cyber intrusions into Hungarian government

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