Forum Discussion
No URL Detection in Emails with Extensive %2580 Encoding
Hi Community, I encountered a concerning issue where emails containing URLs with extensive encoding (%2580) completely bypassed all detection and security mechanisms. These encoded URLs weren’t iden...
Indeed, thank you everyone for your feedback.
A temporarily mitigation action might be to set a transport rule for to identify usage of extensive encoding in email body (so we don't rely on URL extraction/parsing from MDO)?
MSFT team is aware of the issue since late January.