{"rewrite":{"id":"r_46ab9859811095c40ac016bd","clusterId":"c_5d293770689cea50e17caf33","slug":"line-yahoo-deletes-3-years-of-ad-data-storage-records","model":"deepseek-v4-flash:free","headline":"LINE Yahoo Deletes 3 Years of Ad Data Storage Records","summary":"LINE Yahoo announced on July 24 that records required under the Act on the Protection of Personal Information were deleted from its advertising targeting services, including LINE Ads and LINE Official Accounts. The deletion covered records from December 15, 2022, to June 9, 2026, caused by a data management review error. The system is corrected, and no leaks or impacts on ad delivery have been confirmed.","whyItMatters":"The deletion of legally mandated storage records, even without a confirmed leak, raises renewed questions about LINE Yahoo's governance of advertising-related data after a series of prior issues.","webCardHtml":"\u003cp\u003eLINE Yahoo said the deleted records were part of legally required storage records, not user data needed for ad delivery or service operations. The company stated that customer data uploaded by companies, such as email addresses and phone numbers, is immediately deleted after matching, and no inappropriate sharing, secondary use, or information leaks have been confirmed.\u003c/p\u003e\u003cp\u003eThe company has corrected the system, and records from June 10, 2026, onward are being saved properly. It is accepting inquiries through a dedicated contact point and apologized to users.\u003c/p\u003e","blueskyPost":"LINE Yahoo deleted 3 years of legally required ad data storage records due to a review error. No leaks confirmed, but governance questions remain.","twitterPost":"LINE Yahoo deleted 3 years of legally required ad data storage records (Dec 2022 to Jun 2026) due to a review error. No leaks confirmed, but governance questions remain.","threadsPost":null,"newsletterBlurb":"LINE Yahoo announced it accidentally deleted records required under Japan's data protection law, covering ad targeting data from December 2022 to June 2026. The company says no leaks occurred and the system has been fixed, but the incident adds to its track record of data handling issues.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/422/4422304/?rss\",\"title\":\"LINE: Records of Ad Data Storage Found Incomplete, 3 Years' Worth Accidentally Deleted\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4232,"outputTokens":489,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1786079411,"createdAt":"2026-08-07T05:06:24.000Z","publishedAt":"2026-08-07T05:06:44.000Z","updatedAt":"2026-08-07T05:06:24.000Z"},"cluster":{"id":"c_5d293770689cea50e17caf33","canonicalTitle":"LINE、広告データの保存記録に不備　3年半分を誤って削除","representativeArticleId":"a_e9473ff985ed0139aae4229d","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-27T01:25:00.000Z","lastSeenAt":"2026-07-27T01:25:00.000Z","updatedAt":"2026-08-07T05:06:56.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/422/4422304/?rss","title":"LINE、広告データの保存記録に不備　3年半分を誤って削除"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}