QuickBooks cloud hosting firm iNSYNQ was hit by an email phishing attack in mid-July. The attack appears to have been carefully planned out in advance and executed “with human intervention all the way through,” CEO Elliot Luchansky told customers. iNSynQ ultimately declined to pay the ransom demand, and it is still working to completely restore customer access to files. Luchan told customers the company had to assume the intruders were watching and listening to everything it was doing to recover operations and data.”]
Source: https://krebsonsecurity.com/2019/08/insynq-ransom-attack-began-with-phishing-email/