Accountancy firm Deloitte says it has been targeted by a sophisticated hack that compromised its global email server. Hackers may have accessed emails along with personal details of top accountancy firms blue-chip clients. Six clients have been told their information was impacted by the hack. The Guardian described the breach as a deep embarrassment due to the efforts of the firm in the cybersecurity industry. The attackers may have had access to the company systems since October or November 2016.”]
Source: http://securityaffairs.co/wordpress/63414/data-breach/deloitte-secrity-breach.html