{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-137241","form_type":"8-K","ticker":"WDC","cik":"0000106040","company_name":"WESTERN DIGITAL CORP","filed_at":"2023-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.811889+00:00","generated_at":"2026-06-15T15:42:53.301931+00:00","sec_items":["8.01","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Western Digital discloses network breach affecting online store customer data","bullets":["Unauthorized third party accessed Western Digital systems on March 26, 2023; discovered same day, disclosed April 2.","Customer data obtained includes names, addresses, emails, phone numbers; encrypted passwords and partial credit card numbers.","My Cloud service restored April 13; online store access expected restored week of May 15, 2023.","Factories remained operational throughout; company is shipping products to meet customer needs.","Investigation ongoing with outside forensic experts; company will communicate directly with impacted customers."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-137241","json":"https://secwatch.observer/filing/0001193125-23-137241.json","markdown":"https://secwatch.observer/filing/0001193125-23-137241.md","text":"https://secwatch.observer/filing/0001193125-23-137241.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/106040/000119312523137241/0001193125-23-137241-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/106040/000119312523137241/d353351d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T15:42:53.301931+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}