As mentioned in the previous article, the subject of Exchange permissions relationship in Exchange Hybrid environment can be realized in two major scenarios: Scenario 1 – Cross site permission The Exchange permissions that Exchange on-Premises mailbox can have on cloud…
The current article series dedicated to the subject of – the available Exchange permissions in Exchange Hybrid environment. The term “Exchange permissions” is realized in two major scenarios: Scenario 1 – Cross site permissions The term “cross site permissions”, define…
The term “Junk Email Filter” defines an Exchange mail security mechanism, that implemented on the “mailbox level”. In Exchange based environment, most of the time, the mail security infrastructure is implemented most of the time in the “server level” (Exchange…
The current article is the last article in the article series, in which we review how to implement SPF Fail policy using Exchange Online rule. Just a quick reminder, our main goal is to detect and prevent a possible event…
In the current article, we will review how to implement an SPF Policy for incoming mail by using an Exchange rule. In our scenario, we want to identify an event, in which a hostile element tries to execute a Spoof…
In the current article, I want to provide you with a useful way, to implement a mail security policy related to an event in which the result of the SPF sender verification check is “Fail.” If we want to be…
The Send As permission enables a recipient to send an email message using the identity of another recipient. You can assign, get, export, and remove Send As permissions on a Microsoft 365 mailbox. In this article, you will learn how…
The most common cause for a scenario, in which we fail to start the process of Office 365 cutover mail migration is – the lack of the Exchange on-Premises pre requirements.The primary goals of the current article are: Provide the…
In the current article, I would like to review the chain of events that occurs every time, again and again, in a scenario in which an attacker manages to execute a Phishing mail attack successfully. The reaction of the involved…
We are living in a dangerous world that produces many types of threats and risks to our organizational mail infrastructure, to our users and us.In the current article, I would like to review some of the possible damages that we…