Security News > 2021 > August > T-Mobile data breach: Industry reactions

T-Mobile is investigating a claim that as many as 100 million accounts may have been compromised in a data breach.

"We have determined that unauthorized access to some T-Mobile data occurred, however we have not yet determined that there is any personal customer data involved. We are confident that the entry point used to gain access has been closed, and we are continuing our deep technical review of the situation across our systems to identify the nature of any data that was illegally accessed."

Companies - of all shapes and sizes - must realise that the implications of failing to invest in their own cybersecurity readiness are widespread, posing major threats to data security, data subject wellbeing, regulatory compliance, and brand reputation.

Shifting the focus towards identifying, controlling and securing sensitive data assets may not prevent a cyber breach, but it will minimize data loss.

The data leaked in this breach is reported as being already accessible to cybercriminals, who could now weaponize it to formulate sophisticated phishing attacks targeting the victims.

Follow-up attacks may utilize the information accessed through this data breach to trick people into sharing more personal data that can be used for identity and financial fraud.

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