Investing.com -- Boston Scientific disclosed Tuesday that it identified a cybersecurity incident affecting certain information technology systems, causing disruptions to its operations.

Shares fell 4% in premarket trading Wednesday.

The company said the incident has caused disruptions and limitations of access to certain information systems and business applications relevant to operations, including the ability to process and ship customer orders. The company expects these disruptions to continue.

Boston Scientific said it began an investigation with the help of third-party cybersecurity experts to assess and contain the threat. The investigation remains ongoing.

The timeline for full restoration of systems is not yet known. The company said the full scope of the incident and whether it may result in a material impact are not yet known.