Notes from the IR front lines — if you have on-prem Exchange, assume compromise. Also start a plan to migrate to Microsoft 365… yesterday.

Apr 20, 2022 · 12:20 AM UTC

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Replying to @hal_pomeranz
Lots of this. So much this.
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Replying to @hal_pomeranz
Mm. My. Lpz
Replying to @hal_pomeranz
but vulnerabilities can be fix or patch if not then how can you assure people same is not a threat on O365