"We talked to one organization that found that their intensive care monitoring system would shut down on January 1, 2000, " said year 2000 consultant Joel Ackerman.

CNN: Year 2000 bug could be dangerous for hospitals, experts warn

Companies that monitor Internet traffic said Wednesday that an intensive cyberattack against a European spam-fighting organization has ended.

WSJ: Cyberattack on Spam Fighter Said to Be Over