[SANS ISC] “Open” Access to Industrial Systems Interface is Also Far From Zero

I published the following diary on isc.sans.edu: “‘Open’ Access to Industrial Systems Interface is Also Far From Zero“:

Jan’s last diary about the recent attack against the US pipeline was in perfect timing with the quick research I was preparing for a few weeks. If core components of industrial systems are less exposed in the wild, as said Jan, there is another issue with such infrastructures: remote access tools. Today, buildings, factories, farms must be controlled remotely or sometimes managed by third parties. If Microsoft RDP is common on many networks (and is often the weakest link in a classic attack like ransomware), there is another protocol that is heavily used to remote control industrial systems: VNC (“Virtual Network Computing”). This protocol works with many different operating systems (clients and servers), is simple and efficient. For many companies developing industrial systems, It is a good candidate to offer remote access… [Read more]

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