A vulnerability in Citrix software has led to a data breach at Comcast, impacting up to 36m customers. The firm detected suspicious activity on 25 October, leading to a discovery of unauthorised access to its systems. Elsewhere, a ransomware group has leaked more than one million files from Sony’s Insomniac Games division, potentially impacting the firm’s “operational integrity and industry standing”. Customers are being urged to change their passwords.

Hackers Breach Polish Power Plant Controls via Private Cellular Network and Shut Turbine
Attackers shut down a steam turbine and the process-water treatment system at a Polish combined heat and power plant by coming in over the private


