Often, laypersons cannot even imagine that it is at all possible for someone other than the communication partner to be able to access the previous email history. The link redirected the user to a page that looked like a Microsoft OneDrive login page. The fact that the fake email was not sent by the communication partner at all, but by unknown email servers under the control of the spammers, is usually not even recognizable for the layman. At the start of 2020, Graphus observed a phishing attack that began with a link to a SharePoint document. You can configure admins to receive notifications when this occurs. Messages containing ransomware or other known or suspected malware are deleted. This is enabled by default and has filtering customizations available. However, one should assume that email reply chain attacks are highly effective in their social engineering effect, since the fake reply to a real communication takes place and one usually knows the alleged communication partner very well. Exchange Online Protection scans incoming email and attachments in real-time both entering and exiting the system. By entering the aforementioned credentials, users would give scammers access to Microsoft products and services such as Office, Skype, Outlook, OneDrive, etc. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your issue fixed, it’s better to. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. In 2021, there were several zero-day security vulnerabilities for on-premises hosted Exchange servers, which theoretically could have leaked the entire email communication if the Exchange servers were not patched or not patched in time. A phishing scam is a targeted email designed to trick you into giving up personal information or downloading malware. The main purpose of this scam is to trick people into entering their Microsoft account credentials so that the scammers responsible can steal their accounts. Avoid and report Microsoft technical support scams. While it was initially still possible to say that one of the communication partners must have been infected and the email must have leaked out via it, this is no longer necessarily the case today. On the heels of a disturbingly convincing Gmail phishing scam, Microsoft is warning email users of other crafty schemes, this time involving PDF attachments.
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