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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. Undetected 2 events20 days · show events
  2. Response 12 eventsNotice in 6 days · Back to latest
  3. RemedyNone on record
  4. Penalty 4 eventsOngoing · show events
  5. DisputesNone on record

Response: 12 events

Back to latest
  1. Published its business improvement plan, including strengthened information security
  2. MHLW published its own organisational and security reform plan
  3. 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
  4. The MHLW verification committee published its report
  5. Announced that new Basic Pension Numbers would be mailed from 24 August to about 960,000 affected people · changed numbers; no action needed
7 more
  1. The agency published its internal investigation report
  2. The president apologised in the letter to affected people
  3. Began mailing letters of apology, starting with about 9,000 pension recipients whose four data items leaked
  4. From 2 June, pension procedures for affected people require identity confirmation; affected people's pension numbers to be changed
  5. Opened a dedicated free-dial call centre the same day
  6. Announced about 1.25 million leaked records: Basic Pension Number with name, and in most cases date of birth and in some address
  7. 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

Sources