Summary
AP Systems patched a critical vulnerability in its microinverters that allowed remote attackers to inject malicious firmware via MQTT, potentially enabling grid disruption and network pivoting.
Take Action:
Make sure to your solar inverters and energy management systems on a dedicated network or VLAN isolated from the internet to prevent attackers from reaching them and then moving into your main corporate network. Then, if you are using AP Systems devices, plan a quick update.
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This article was originally published on BeyondMachines
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