West Pharmaceutical Services Ransomware Attack | MSSP Advisory

West Pharmaceutical Services, a pharmaceutical packaging manufacturer, suffered a ransomware attack on May 4 that forced them to proactively shut down their entire on-premise infrastructure. The company took isolation measures to contain the attack, indicating the threat achieved sufficient access to warrant complete network segregation. The specific ransomware variant and attack vector remain undisclosed.

Manufacturing clients in your portfolio face the same exposure West Pharmaceutical had, and their operational technology networks create cascading risks that can shut down production lines for weeks. Your own environment runs the same remote access tools and network architectures that likely gave attackers their initial foothold at West. Client contracts expect you to warn them about threats targeting their specific industry vertical.

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