When companies get infected by ransomware that cripples their business, sometimes for many days or weeks, it's often because an employee has clicked on the wrong email address. With "phishing", hackers hide their emails by appearing to come from a trusted source, often recreate company logos and make use of email domains that look like email and make it difficult to see fake emails with the naked eye.

SaaS Defense is an ATP and spam filtering solution that detects unknown malware threats at first encounter across the Microsoft 365 collaboration suite, shortening the time to detection and helping to close the threat protection gap.
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SaaS Defense’s data-independent technology was developed by security experts to stop zero-day threats and proactively defend against malware, phishing, and business email compromise (BEC) attacks that target Microsoft Exchange, OneDrive, SharePoint, and Teams.
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ATP – Advanced Threat Protection