But there is no reason to panic or become paranoia; companies have to implement permanent trainings (best practices) for their staff, employees and definitely opt for the end-to-end encryption.
Customer data, financial information, networks, corporate intellectual property and employee data are the primary targets.
Culture of careless and software vulnerabilities are legion. This is why Connectikpeople.co, soon #Retinkno insists on permanent trainings when it comes to best practices, to help mitigate the risks.
On the corporate network, it is vital to avoid inter alia: illicit file sharing and use of non-work-related applications; adult websites.