In the current article, we will review how to deal with Spoof E-mail scenario in an Office 365 environment, by creating an Exchange Online rule that will identify Spoofed E-mail (spoof sender) and as a response – “route” this E-mail to the Exchange Online administrative quarantine. In our particular scenario, we don’t want to enable…
In the current article, we will review how to deal with Spoof mail by creating an Exchange rule that will identify incoming Spoof E-mail (spoofed sender). In such scenario, we would like to implement the following sequence of actions: Add a disclaimer to the E-mail message. Prepend the E-mail subject. Generate + send an incident…
In the current article, we will review how to deal with Spoof mail by creating an Exchange rule that will identify incoming Spoof E-mail (spoofed sender). In such scenario, we would like to implement the following sequence of actions: Delete (reject) the E-mail . Generate + send an incident report to a designated recipient. In…
In the current article, we will review how to deal with Spoof mail by creating an Exchange rule that will identify incoming Spoof E-mail (spoofed sender). In such scenario, we would like to implement the following sequence of actions: Mark the E-mail as spam by setting the SCL (spam confidence level) value to 5. Generate…
In this article, we will review the subject of – “how to create an Exchange Online rule exception. As the name implies, the “exceptions” part of the Exchange rule was created to prevent the execution of the Exchange Online rule in a specific scenario. In the current article, we will continue to use the scenario…
In the current article, we will review how to deal with Spoof E-mail scenario in an Office 365 environment, by creating an Exchange Online rule that will identify Spoofed E-mail (spoof sender) and as a response, will generate and send an incident report to a designated recipient. In our scenario, we want to use the…
An organization IT manager call to Office 365 supports, worried and upset, declaring that he is very disappointed about the fact that “Office 365” allow the occurrence of a spoofed E-mail attack! Besides of the urgent need for understanding, how could this happened; the additional urgent need is – to implement some security mechanism, that…
In the current article, we will review how to enforce an E-mail attachment policy by using Exchange Online transport rule. The example that we will review in the current article is – an E-mail attachment policy that stops E-mail messages that have an executable content (executable attachment). As we learn in the former article, by…
In the current article, we will review how to enforce an E-mail attachment policy by using Exchange Online transport rule. The example that we will review in the current article is – an E-mail attachment policy, that stop E-mail messages that include an attachment with a specific file extension. Manage E-mail attachment policy in Office…
In the current article, we will review how to enforce an E-mail attachment policy by using Exchange Online transport rule.The examples that we will review in the current article are as follows: E-mail attachment policy that stops E-mail messages, that include a password-protected attachment. Each E-mail message that has this type of attachment will be…
The subject of E-mail Message attachment manifests itself in two main scenarios: Malware scenario – a scenario that relates to an event, in which hostile element attached some malware to an E-mail message, send the E-mail message to one of our organization recipients, the recipient opens the E-mail message and “excite” the malware file. Company…
In the current article, we will review three subjects that relate to mailing flow scenario that based on TLS communication. Verify mail server TLS configuration In a scenario in which we create all the required TLS configurations, but for some reason, the mail communication failed. We need to be able to understand what is the…
