https://community.checkpoint.com/t5/General-Topics/Internet-Explorer-zero-day-and-mht-file-type/m-p/50982#M10077 <P>A zero day exploit of the mht file type has been disclosed.&nbsp; I checked the file types sandblast is designed to emulate and 'mht' is not in the list.&nbsp;&nbsp;</P><P>How do new file types get included?&nbsp; Can I add new file types through the Endpoint client?</P> Mon, 15 Apr 2019 17:37:26 GMT Dan_Roddy 2019-04-15T17:37:26Z https://community.checkpoint.com/t5/General-Topics/Internet-Explorer-zero-day-and-mht-file-type/m-p/50982#M10077 <P>A zero day exploit of the mht file type has been disclosed.&nbsp; I checked the file types sandblast is designed to emulate and 'mht' is not in the list.&nbsp;&nbsp;</P><P>How do new file types get included?&nbsp; Can I add new file types through the Endpoint client?</P> Mon, 15 Apr 2019 17:37:26 GMT https://community.checkpoint.com/t5/General-Topics/Internet-Explorer-zero-day-and-mht-file-type/m-p/50982#M10077 Dan_Roddy 2019-04-15T17:37:26Z https://community.checkpoint.com/t5/General-Topics/Internet-Explorer-zero-day-and-mht-file-type/m-p/50984#M10078 We would have to add explicit support to emulate new files.<BR />However, they can be blocked in the Threat Prevention profile using the AntiVirus blade.<BR />See: <A href="https://community.checkpoint.com/t5/SandBlast-Network/Block-Malicious-Unknown-File-type-attachment-MTA-TE-R80-20/td-p/33811" target="_blank">https://community.checkpoint.com/t5/SandBlast-Network/Block-Malicious-Unknown-File-type-attachment-MTA-TE-R80-20/td-p/33811</A> Mon, 15 Apr 2019 17:56:02 GMT https://community.checkpoint.com/t5/General-Topics/Internet-Explorer-zero-day-and-mht-file-type/m-p/50984#M10078 PhoneBoy 2019-04-15T17:56:02Z