Who: Frontier Communications, a leading U.S. telecommunications provider, and the RansomHub ransomware operation.
What: Frontier Communications has warned 750,000 customers of a data breach following an April cyberattack by RansomHub. The attackers accessed personal information, including full names and Social Security Numbers (SSNs).
Impact:
Customer Data Exposure: 750,000 customers had personal data, including full names and SSNs, compromised. No financial information was breached.
Operational Disruptions: Frontier shut down some systems to contain the attack, resulting in internet outages for some customers.
Extortion Threats: RansomHub threatened to leak 5GB of stolen data, affecting 2 million customers, unless their demands are met by June 14.
Mitigation Measures: Frontier is offering one year of free credit monitoring and identity theft services through Kroll. Customers are advised to treat unsolicited communications with caution, reset account passwords, and monitor bank statements.
This breach highlights the ongoing risks of ransomware and data theft in the telecommunications industry.
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