20100146589 | SYSTEM AND METHOD TO SECURE A COMPUTER SYSTEM BY SELECTIVE CONTROL OF WRITE ACCESS TO A DATA STORAGE MEDIUM - A system and method of securing a computer system by controlling write access to a storage medium by monitoring an application; detecting an attempt by the application to write data to said storage medium; interrogating a rules database in response to said detection; and permitting or denying write access to the storage medium by the application in dependence on said interrogation, where the interrogation requests are queued in order manage multiple applications running on the same system. The system can further monitor the activity of unknown processes and continually match the sequence of activity against known malware activity sequences. In the case of a match, the user is warned or the process is blocked. | 06-10-2010 |