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Telia Norway Confirms Expanded Scope of Data Breach, Customer Data Exposed on Dark Web

Telia Norway has acknowledged that a data breach disclosed by Norwegian regulator Nkom last week is more severe than initially assessed. CEO Bjoern Ivar Moen revealed that customer data including names, contact details, and IP addresses has been posted on the dark web. The company has apologized for the incident and stated it has deployed "significant resources" to address the fallout.

The breach was first publicized by Nkom, though further details on the timeline, attack vector, or number of affected individuals remain undisclosed. Telia Norway’s admission underscores the growing risks of cyber incidents in the telecommunications sector, where sensitive user data can become a prime target for malicious actors. The exposure of IP addresses, in particular, raises concerns about potential follow-on attacks, such as phishing or targeted exploitation.

Source: https://www.telecompaper.com/news/telia-norway-says-data-breach-bigger-issue-than-first-thought--1564216

Telia cybersecurity rating report: https://www.rankiteo.com/company/teliacompany

"id": "TEL1772628030",
"linkid": "teliacompany",
"type": "Breach",
"date": "2/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'industry': 'Telecommunications',
                        'location': 'Norway',
                        'name': 'Telia Norway',
                        'type': 'Telecommunications'}],
 'data_breach': {'data_exfiltration': 'Yes',
                 'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Names',
                                              'Contact details',
                                              'IP addresses']},
 'description': 'Telia Norway has acknowledged that a data breach disclosed by '
                'Norwegian regulator Nkom is more severe than initially '
                'assessed. Customer data including names, contact details, and '
                'IP addresses has been posted on the dark web. The company has '
                'apologized for the incident and stated it has deployed '
                'significant resources to address the fallout.',
 'impact': {'brand_reputation_impact': 'Significant',
            'data_compromised': 'Names, contact details, IP addresses',
            'identity_theft_risk': 'Potential'},
 'initial_access_broker': {'data_sold_on_dark_web': 'Yes'},
 'investigation_status': 'Ongoing',
 'references': [{'source': 'Norwegian regulator Nkom'}],
 'regulatory_compliance': {'regulatory_notifications': 'Disclosed by Norwegian '
                                                       'regulator Nkom'},
 'response': {'communication_strategy': 'Public apology, deployment of '
                                        'significant resources'},
 'title': 'Telia Norway Data Breach with Customer Data Exposed on Dark Web',
 'type': 'Data Breach'}