Batch Processing to make DWG/DXF/DWF/DWF files to PDF files with NO need of AutoCAD Stand-alone utility - AutoCAD NOT required. Batch processing supported. DWG/DXF/DWF/DWF files created by every version of AutoCAD supported.
The mistake created by Dropbox permitted anyone with no their passwords to log into someone else's consideration. Dropbox is not alone in this type of error.
A mistake that was similar was built by Facebook a year ago which lead to Mark Zuckerbergis fan page being hacked. The no validation function was in place for many hours before Dropbox perhaps understood what had happened.