The ALMA Observatory experienced a cyberattack in late October 2022, disrupting regular operations and critical computing services for seven weeks. Although no scientific data was lost, operations data essential for computing services were affected. The incident highlighted the organization's limited knowledge of recovery assets and the absence of a specific cyber-attack disaster recovery policy. The attack raised cybersecurity awareness within the organization, shifting it from a secondary role to a cultural necessity. The paper discusses post-attack actions, strategies, and efforts to integrate cybersecurity into the organization's culture for enhanced cyber safety.
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