A group of hackers have signed malware using Adobe digital certificate obtained compromising a vulnerable build server that was used to get code validation from the companys code-signing system. The company is proceeding with plans to revoke the certificate and publish updates for existing Adobe software signed using the impacted certificate. Adobe did not identify the product exactly but declared that it isnt one of the most popular Adobe Reader, Flash Player, Shockwave Player or Adobe AIR. The main problem is how many software were signed by the build server?”]