TalkTalk

Hackers targeted UK telco TalkTalk in February 2017, which stole information, including credit card data, on 157,000 customers.

They sent a ransom message to TalkTalk demanding 465 bitcoins (worth $125,550 at the time.

TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.

Source: https://www.vice.com/en/article/pgxa3m/convicted-talktalk-blackmailer-warns-young-hackers-about-falling-into-crime

TPRM report: https://scoringcyber.rankiteo.com/company/talktalk

"id": "tal232161122",
"linkid": "talktalk",
"type": "Breach",
"date": "02/2017",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"

{'affected_entities': [{'customers_affected': 157000,
                        'industry': 'Telecommunications',
                        'location': 'United Kingdom',
                        'name': 'TalkTalk',
                        'type': 'Telecommunications'}],
 'customer_advisories': 'TalkTalk sent the data breach letters to all affected '
                        'customers and asked them to be alerted.',
 'data_breach': {'number_of_records_exposed': 157000,
                 'type_of_data_compromised': ['Credit card data']},
 'date_detected': 'February 2017',
 'description': 'Hackers targeted UK telco TalkTalk in February 2017, which '
                'stole information, including credit card data, on 157,000 '
                'customers. They sent a ransom message to TalkTalk demanding '
                '465 bitcoins (worth $125,550 at the time). TalkTalk sent the '
                'data breach letters to all affected customers and asked them '
                'to be alerted.',
 'impact': {'data_compromised': ['Credit card data']},
 'motivation': 'Financial gain',
 'ransomware': {'ransom_demanded': 465},
 'response': {'communication_strategy': 'TalkTalk sent the data breach letters '
                                        'to all affected customers and asked '
                                        'them to be alerted.'},
 'title': 'TalkTalk Data Breach and Ransom Demand',
 'type': 'Data Breach, Ransomware'}