{"rewrite":{"id":"r_aad18d2e861c99c07be96a4b","clusterId":"c_9538b5557674670a5abc6702","slug":"idc-frontier-says-customer-data-may-be-unrecoverable-after-ransomware-attack","model":"deepseek-v4-1-flash","headline":"IDC Frontier Says Customer Data May Be Unrecoverable After Ransomware Attack","summary":"IDC Frontier published its third report on the unauthorized access incident on October 8, stating that customer data stored in parts of East Japan Region 1 is expected to be difficult to extract or restore. The incident occurred around 3:40 a.m. on October 7. The company confirmed ransomware by a third party as the cause. Affected contract holders total 495, including companies and municipalities.","whyItMatters":"The provider has now told 495 companies and municipalities that their data may be gone, and with no recovery timeline and the management console still shut down, customers are left to rebuild from their own backups.","webCardHtml":"\u003cp\u003eIDC Frontier\u0026#39;s third report on the incident disclosed that virtual servers stopped in four zones of East Japan Region 1 of IDCF Cloud. The company disconnected the affected region from the network and shut down the management console to prevent secondary damage and information leakage. Customers are being instructed to restore data in the affected environment from backups they hold themselves.\u003c/p\u003e\u003cp\u003eWhether data was taken outside and the detailed intrusion route remain under investigation. No unauthorized access has been confirmed in other regions, but the management console stays shut down pending a safety investigation. No recovery timeline has been given.\u003c/p\u003e","blueskyPost":"IDC Frontier says customer data in parts of East Japan Region 1 may be unrecoverable after the October 7 ransomware attack. 495 contract holders, including companies and municipalities, are affected. No recovery timeline. Customers told to restore from their own backups.","twitterPost":"IDC Frontier reports customer data in parts of East Japan Region 1 is expected to be difficult to extract or restore after an October 7 ransomware attack. 495 contract holders affected. No recovery timeline; customers told to use their own backups.","threadsPost":null,"newsletterBlurb":"IDC Frontier's third report on the October 7 incident says data in parts of East Japan Region 1 is expected to be difficult to extract or restore, and that 495 companies and municipalities are affected. The region was disconnected and the management console shut down. Customers are being told to restore from their own backups, with no timeline for recovery.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/441/4441355/?rss\",\"title\":\"IDC Frontier unable to recover customer data after ransomware attack; 495 companies and municipalities affected\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4847,"outputTokens":557,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791510728,"createdAt":"2026-10-09T01:48:33.000Z","publishedAt":"2026-10-09T01:51:07.000Z","updatedAt":"2026-10-09T01:51:07.000Z"},"cluster":{"id":"c_9538b5557674670a5abc6702","canonicalTitle":"IDCFフロンティア、ランサムウェア攻撃で顧客データ復元困難に　企業や自治体など495者に影響","representativeArticleId":"a_df1d7bea650f639d15c0d23c","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"business\",\"domain\":\"industry\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-09T00:45:00.000Z","lastSeenAt":"2026-10-09T00:45:00.000Z","updatedAt":"2026-10-09T01:51:06.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/441/4441355/?rss","title":"IDCFフロンティア、ランサムウェア攻撃で顧客データ復元困難に　企業や自治体など495者に影響"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"business","domain":"industry","is_roundup":false},"keyFacts":null}