INCIDENT: OT Networking, Security Supplier, Belden, Attacked

Belden Inc., a supplier of specialty networking solutions and cybersecurity products, is investigating the cause of a cyberattack that led to unauthorized access and copying of some current and former employee data, as well as limited company information regarding some business partners.
Belden IT professionals detected unusual activity involving certain company servers, the company said in a release. Upon detection, the company immediately activated its cybersecurity incident response plan, deployed teams of internal IT specialists, and engaged leading third-party cybersecurity forensic experts and other advisors to identify and mitigate the impact of this incident.

Incident Date

November 24, 2020



Estimated Cost



Type of Malware:

No Malware identified

Threat Source:

No threat source identified


  • Networking equipment vendor Belden discloses data breach
  • OT Networking, Security Supplier Attacked



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