TalkTalk Telecom Group plc has publicly disclosed that four million subscribers have been impacted by a sustained cyberattack that hit its servers. The CEO of TalkTalk confirmed personally receiving a ransom demand from the alleged attackers, a Russian Islamist group claimed the responsibility of the attack. The group leaked online a set of data, but it is still not clear yet if the dump includes all the stolen data. This is the third time in the last 12 months that cyber criminals hit the TalkTalk company.”]
Source: https://securityaffairs.co/wordpress/41370/cyber-crime/talktalk-ceo-ransom-demand.html