In view of Cyber security Support many Chemicals/Oil & Gas Industrial Giants are availing the services from companies like TALES/PAS for vulnerability management..
Neverthless these vendors will get access to the Production control systems software..
How Process industries shall be able to effectively prevent sensitive data leaks to competitors by any malicious acts of the cyber security services companies.

 

Use firewall

 

Use firewall

Hello

We have Firewalls between DCS networks and DMZ as well as between DMZ & Business network. Hmm probably role based policy to be applied!!

 

Process industries can significantly reduce the risk of data leaks from third-party cybersecurity vendors by implementing a layered approach with strict access control, network segmentation, encryption, real-time monitoring, and strong legal safeguards.