Have I Been Pwned suffered from a data breach incident that exposed personal data including 33M NetProspex records.
They sent mistakenly sent a very large file that contained 33,698,126 records and a 52.2GB CSV file.
Source: https://www.troyhunt.com/weve-lost-control-of-our-personal-data-including-33m-netprospex-records/
TPRM report: https://scoringcyber.rankiteo.com/company/haveibeenpwned
"id": "hav234628722",
"linkid": "haveibeenpwned",
"type": "Breach",
"date": "03/2017",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'customers_affected': ['33M NetProspex records'],
'industry': 'Cybersecurity',
'name': 'Have I Been Pwned',
'type': 'Company'}],
'data_breach': {'file_types_exposed': ['CSV'],
'number_of_records_exposed': ['33,698,126'],
'type_of_data_compromised': ['personal data']},
'description': 'Have I Been Pwned suffered from a data breach incident that '
'exposed personal data including 33M NetProspex records.',
'impact': {'data_compromised': ['personal data']},
'title': 'Have I Been Pwned Data Breach',
'type': 'Data Breach'}