RSA digital certificate with key less than 1,024 bits will not be supported on the Microsoft platforms, hence administrators are required to update for the minimum certificate key length. Windows ActiveX Control would be blocked for any website without the required security certification level.
Microsoft Security Response blog noted that the changes will help improve security across the Windows platforms.
The company have made available a knowledge-base help in updating for the minimum certificate key length and detailed technicalities.
Microsoft effort to secure the Windows platform is paramount following the recent security breaches targeting the system. The company hopes the update to certificate key length requirements will help strengthen the Windows ecosystem.