Hackerangriffe: Cyberbehörde warnt vor neuen Sicherheitslücken in Kühlanlagen
Das BSI stuft die Gefahr mit der zweithöchsten von vier Warnstufen ein. In industriellen Kühlanlagen seien „massive Beeinträchtigungen des Regelbetriebs möglich“. Es laufen Ermittlungen.
Berlin - The Federal Office for Information Security (BSI) has issued a warning about newly discovered vulnerabilities in control units for industrial cooling systems. Attackers could fully take over Danfoss devices, rendering them permanently unusable. The authority urges operators to take immediate action: "Measures must be taken without delay."
Currently affected are Danfoss control units of type AK-SM 800A with software versions up to and including 5.3.2. They control and monitor cooling systems. The BSI cannot rule out that the current version 5.4.0 from November 2026 is also affected. The authority rates the threat at Orange, the second of four warning levels. Massive impairments of normal operation are possible.
In the worst case, attackers could replace the built-in operating software with malicious software, making the devices unusable and requiring manual restoration or replacement. This could result in prolonged outages, especially if many devices are successfully attacked simultaneously.
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