As a result of the new release of Mac OS X and Safari browser, third party ad’s are being blocked for flash and HTML5 banners.
MediaMind is looking for a solution together with Adobe.
See the official statement below:
Flash is currently a sandboxed plugin in OS X Mavericks, according to an Adobe blog post. Using the OS’ App Sandbox feature, Adobe says it has been able to limit Flash’s file read/write access and what assets the plugin can find in the first place. It can no longer reach local connections to device resources and IPC (interprocess communications) channels, for instance, and network privileges are restricted such that Flash-based malware can’t communicate with servers set up by hackers.