Critical infrastructure (CNI) providers must act now to protect their IT systems from attacks during the holiday season, the US government has warned. The Cybersecurity and Infrastructure Security Agency (CISA) issued a new alert demanding a more proactive stance “in light of persistent and ongoing cyber-threats.” It urged organizations to ensure they have sufficient staff to monitor IT and OT systems over the holidays continuously and that they stay informed of the latest threats by signing up to CISA mailing lists and feeds.

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