type: incident · created: 2026-09-09 · updated: 2026-09-09 · tags: [incident, ransomware, energy, utility, critical-infrastructure, germany] · confidence: high · affected_sectors: [energy, government] · au_impact: false
Cyberattack Encrypts Systems at Bavarian Municipal Utility
Stadtwerke Landsberg, a municipal utility in Bavaria, told customers on Monday that hackers encrypted its central IT network in an attack beginning overnight on 1 September, forcing it to disconnect affected systems from the internet, activate its crisis team and bring in external cyber specialists.
| Attribute | Detail |
|---|---|
| Victim | Stadtwerke Landsberg (Bavarian municipal utility) |
| Impact | Central IT network encrypted; systems disconnected from internet |
| Essential services | Electricity, water and other essential services not affected |
| Data risk | Cannot rule out access/theft of personal data (names, addresses, phone, email, bank details) |
| Attribution | No ransomware group identified; no extortion demand confirmed |
| Source | The Record — Tier 2/4 |
The incident co-occurred with Germany formally blaming Russia for a drone attack at Leipzig/Halle airport and with sabotage of two power substations, though there is no indication the Landsberg hack is connected to either.