Japan Pension Service data leak

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Made public · 1,250,000 records

What leaked4

Hard to replace

  • Home or delivery address

Permanent

  • National ID or tax number
  • Date of birth
  • Full name
  • National ID or tax numberBasic Pension Number · kiso nenkin bango, in every leaked record
  • Date of birthabout 1.22 million of the 1.25 million records
  • Home or delivery addressabout 52,000 records

To-dos

None of the harms this check covers.

What happened next18 events

  1. Published its business improvement plan, including strengthened information security
  2. The Minister of Health, Labour and Welfare issued a business improvement order to the agency's president
  3. MHLW published its own organisational and security reform plan
  4. Sanctions on officers: reprimands for the president, vice president and systems director, a warning for another director; the three returned 20% of monthly pay for two months and June bonuses were withheld for all executives
  5. The head of the Cybersecurity Strategic Headquarters (Chief Cabinet Secretary) issued a recommendation to the Minister of Health, Labour and Welfare
13 more
  1. The MHLW verification committee published its report
  2. Announced that new Basic Pension Numbers would be mailed from 24 August to about 960,000 affected people · changed numbers; no action needed
  3. The government's Cybersecurity Strategic Headquarters published its root-cause investigation
  4. The agency published its internal investigation report
  5. MHLW set up a verification committee chaired by a former Supreme Court justice
  6. The president apologised in the letter to affected people
  7. Began mailing letters of apology, starting with about 9,000 pension recipients whose four data items leaked
  8. From 2 June, pension procedures for affected people require identity confirmation; affected people's pension numbers to be changed
  9. Opened a dedicated free-dial call centre the same day
  10. Announced about 1.25 million leaked records: Basic Pension Number with name, and in most cases date of birth and in some address
  11. Confirmed that personal data had been sent out after a virus email compromised staff computers
  12. Intrusion began
  13. While the attacks continued from 8 May, the agency updated antivirus software, cut internet access at affected sites and consulted the police
Company
Japan Pension Service
When it happened
Company detected it
Made public
Notice
Leak confirmed
Affected
1,250,000 records · Japan Pension Service, June 2015