Email spoofing in Office 365

More and more companies use Microsoft 365, well even we at Compass-Security use it internally. Moving to the cloud solves many issues that our DFIR team had to deal with in the past years. Managed infrastructure means no ProxyShell, Hafnium, etc. We're grateful for that.
Email authentication and security is another complex topic that was often misconfigured in the past. We often could send phishing email in the name of our clients during assessments. Office 365 makes the life of …

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