In the meantime, the attachment is sent to Microsoft where it is tested for malicious intent. The rest of the email is delivered to you immediately. If the attachment does not have a known signature, the attachment is temporarily removed from the email and replaced with a “preview” link to the document. The next scenario is the core purpose of the safe attachments solution and will slightly impact the way you receive emails. If the signature for the file is known bad, the attachment is quarantined and you will be notified that the attachment was blocked. If the file is known good, the attachment is passed through the system immediately. The safe attachments feature of ATP starts by checking the attachment and comparing the file to known file signatures. In advance of our deployment of ATP, we want to make sure you are aware of any potential changes to your email.ĪTP is made up of two different security features which we explain in more detail along with potential changes you may notice in the following descriptions: Safe Attachments ATP is designed to catch malicious attachments and/or links to malicious websites that may appear in emails you receive. These attacks are commonly referred to as “zero-day exploits” as signatures to detect these threats are not yet developed by the security industry.Ĭhatham University has chosen to make an additional investment in our organizations security defenses by implementing a solution called Microsoft Advanced Threat Protection (or ATP for short) to protect us against these “zero-day exploits”. However, attackers continue to evolve their threats and create new attachments and websites that contain malicious content but are not yet known to the security industry. Chatham, per best security practice, already has a solution in-place with Microsoft Office 365 to help protect you against most known malicious email attachments and website links. Email-borne malware against organizations continues to be a popular tool for malicious attackers.
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