摘要:
An encrypted file system (EFS) and an underlying file transfer protocol to permit a client to encrypt, decrypt, and transfer file(s) resident on a server are disclosed. A user at a client computer can open, read, and write to encrypted files, including header information associated with encrypted files, and can add users to or remove users from an encrypted file.
摘要:
A system and method for facilitating BIOS integrated encryption is provided. An interface is defined between the operating system and the BIOS. The operating system employs this interface to provide BIOS code information to facilitate decryption of data that is encrypted on the system. In the pre-operating system boot phase, the BIOS employs the decryption information provided from this interface in order to decrypt the data. The decrypted information can be employed to facilitate secure rebooting of a computer system from hibernate mode and/or secure access to device(s).
摘要:
Software is authorized in accordance with a reputation of the software. A trust in the author and/or publisher of the software is determined via digital signatures and/or CoAs, and a reputation of the software is utilized to determine the intent of the software. The reputation of the software can be determined via a local service, such as an enterprise IT department and/or via a reputation determination service. When software is downloaded or to be executed, the trust in the author/publisher is determined using digital signatures and/or CoAs associated with the software. If the author/publisher is determined to be trusted, a service is called to determine the reputation of the software. The software can be installed and/or executed dependent upon the reputation of the software and trustworthiness of the author/publisher.
摘要:
Mechanisms for organizing scenario solution-related information based upon a user's locality are provided. Locality refers to a collection of metadata created based upon scenario solutions executed by a user and/or enablers acquired by a user during scenario solution execution. Such metadata may be stored in association with a scenario solution execution workspace and/or in association with a user-specific information store. Once such information is acquired, a user may desire to share the information, or a portion thereof, with one or more other users, for instance, the members of a user group. However, often times, the user would prefer that the information not be made available to the general public. Thus, mechanisms for controlling access to user-specific information are also provided.
摘要:
Mechanisms for organizing scenario solution-related information based upon a user's locality are provided. Locality refers to a collection of metadata created based upon scenario solutions executed by a user and/or enablers acquired by a user during scenario solution execution. Such metadata may be stored in association with a scenario solution execution workspace and/or in association with a user-specific information store. Once such information is acquired, a user may desire to share the information, or a portion thereof, with one or more other users, for instance, the members of a user group. However, often times, the user would prefer that the information not be made available to the general public. Thus, mechanisms for controlling access to user-specific information are also provided.
摘要:
An operating system copies data from memory pages into a paging file on disk, in order to free up space in the memory. A mechanism is disclosed that causes the data to be encrypted as it is copied into the paging file, thereby protecting the paged data from unauthorized (or otherwise undesired) observation. The data that is stored in the paging file is encrypted with a session key, that is generated shortly after the machine on which the paging file exists is started. The session key, which is used both for encryption and decryption of the paging file data, is stored in volatile memory, so that the key is not persisted across boots of the machine. Since the key is not persisted across boots, old paging file data that was stored prior to the most recent boot cannot be recovered in clear text, thereby protecting the data from observation.
摘要:
Software is authorized in accordance with a reputation of the software. A trust in the author and/or publisher of the software is determined via digital signatures and/or CoAs, and a reputation of the software is utilized to determine the intent of the software. The reputation of the software can be determined via a local service, such as an enterprise IT department and/or via a reputation determination service. When software is downloaded or to be executed, the trust in the author/publisher is determined using digital signatures and/or CoAs associated with the software. If the author/publisher is determined to be trusted, a service is called to determine the reputation of the software. The software can be installed and/or executed dependent upon the reputation of the software and trustworthiness of the author/publisher.
摘要:
Systems and methods for creating a secure process on a web server can include creating an application manager process, and creating an application host process, the application host process being created under control of the application manager process. Example methods can also include restricting attributes of the application host process, and assigning a unique logon identifier to the application host process so that the application host process can only communicate with the application manager process.
摘要:
Techniques are described herein for securely prompting a user to confirm sensitive operations, input sensitive information or the like. The techniques include receiving or intercepting calls from applications to prompting routines. When a call to a prompting routine is received or intercepted a hint may be provided to the user to switch to a secure desktop. When the user switches from the user desktop to the secure desktop the particular prompt is displayed. The input to the prompt is received on the secure desktop and verified to have been provided by the user. The user input or a representation of the input is then returned to the application running on the user desktop. Using these techniques, interception of prompting messages by malware does not result in sensitive information being revealed. Furthermore, spoofing of new messages by malware does not lead to the dismissal of critical prompting.
摘要:
Remote administrative privileges in a distributed system are disabled by default. To administer a remote system, express action is taken to elevate a user status to obtain remote administrative privileges. When local and remote systems communicate, information pertaining to the status of the logged on user is included in the communications. If the user wishes to legitimately administer a remote system, the user provides an explicit request. The request is processed. If the user is configured as an administrator of the remote system and the request contains an indication that the user's administrative status has been elevated, an authorization token is generated. The authorization token is utilized by the remote system to allow the user to administer the remote system.