BT Group confirmed that it responded to a security incident involving the Black Basta ransomware group, with reports indicating that around 500 GB of data was stolen.
The firm was forced to shut down servers linked to its Conferencing business, but stated the incident had not affected overall operations or services active.
The spokesperson for BT Group mentioned their proactive measures in dealing with the potential compromise, emphasizing ongoing investigations and collaboration with law enforcement.
Experts raised alarms in November regarding increasing sophistication in Black Basta's tactics, noting a significant shift from broad email attacks to targeted impersonation methods.
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