Unique and comprehensive solution to protect Office 365. Barracuda Essentials provides you with industry-leading protection from email-borne attacks, spam, and viruses. It includes advanced security features like attachment sandboxing as well anti-virus, anti-phishing, and typosquatted link protection to secure against sophisticated targeted attacks. Barracuda Essentials integrates with Office 365 to create a powerful yet extremely intuitive email retention and e-discovery system. It is combination of Barracuda Spam Firewall, Message Archiver and Backup.