Cybercrime uses Microsoft Office 365 as a gateway to organizations Barracuda Networks cyber security experts: In March 2019, 29% of businesses accounts were compromised. For… Cybercrime uses Microsoft Office 365 as a gateway to organizations 6 May 2019 Francesco Bussoletti Companies, Cyber, Defence and Security Barracuda Networks cyber security experts: In March 2019, 29% of businesses accounts were compromised. For ATOs are used brand impersonation, social engineering, and phishing.