The California Office of the Attorney General reported a data breach at Ancestry.com Operations, Inc. on December 23, 2017. The breach involved a file found on a RootsWeb server containing approximately 300,000 email addresses/usernames and password combinations related to RootsWeb users. Ancestry confirmed that about 7,000 of these were associated with active Ancestry customers.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-131600
TPRM report: https://www.rankiteo.com/company/ancestry.com
"id": "anc347072625",
"linkid": "ancestry.com",
"type": "Breach",
"date": "12/2017",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': 7000,
'industry': 'Genealogy',
'name': 'Ancestry.com Operations, Inc.',
'type': 'Company'}],
'data_breach': {'number_of_records_exposed': 300000,
'type_of_data_compromised': ['email addresses',
'usernames',
'passwords']},
'date_detected': '2017-12-23',
'date_publicly_disclosed': '2017-12-23',
'description': 'The California Office of the Attorney General reported a data '
'breach at Ancestry.com Operations, Inc. on December 23, 2017. '
'The breach involved a file found on a RootsWeb server '
'containing approximately 300,000 email addresses/usernames '
'and password combinations related to RootsWeb users. Ancestry '
'confirmed that about 7,000 of these were associated with '
'active Ancestry customers.',
'impact': {'data_compromised': ['email addresses', 'usernames', 'passwords'],
'systems_affected': ['RootsWeb server']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'Data Breach at Ancestry.com Operations, Inc.',
'type': 'Data Breach'}