643 results about "Computer file" patented technology

Method, system and computer program product for detecting at least one of security threats and undesirable computer files are provided. A first method includes receiving a data stream which represents outbound, application layer messages from a first computer process to at least one second computer process. The computer processes are implemented on one or more computers. The method further includes monitoring the data stream to detect a security threat based on a whitelist having entries which contain metadata. The whitelist describes legitimate application layer messages based on a set of heuristics. The method still further includes generating a signal if a security threat is detected. A second method includes comparing a set of computer files with a whitelist which characterizes all legitimate computer files. The whitelist contains one or more entries. Each of the entries describe a plurality of legitimate computer files.

The disclosed technology applies the principle of anonymous reciprocity to facilitate remote backups. A local computer stores other computer's backup files, while storing backup copies of local files on other computers connected through a network. Each computer may securely maintain and manage storage for other computers' files. Application may be constrained to a local area network, or work on the Internet. The disclosed technology works in a peer-to-peer environment; no central server is required. The same disclosed technology may also apply to file sharing.

The present invention presents embodiments of methods, systems, and computer-readable media for advanced computer file organization, computer file and web search and information retrieval, and intelligent assistant agent to assist a user's creative activities. The embodiments presented herein categorize search results based on the keywords used in the search, provide user selectable ranking, use user's search objectives and advices to refine search, conduct search within an application program and using a file based, provide always-on search that monitors changes over a period of time, provide a high level file system that organizes files into categories, according to relations among files, and in ranking orders along multiple categorization and ranking dimensions and multiple levels of conceptual relationships, conduct searches for associations between keywords, concepts, and propositions, and provide validations of such associations to assist a user's creative activity.

A computer system and computer control software is provided which allows for secure document delivery between remote parties, and control by the sender of the further distribution and handling by the recipient of an electronic document or other computer file. A file in an application may be stored on a server and manipulated by the file's native application. The recipient of the file information is given preferably automatic operation to view the user output of the server application, via a thin-client system. The recipient of the file is thus limited, as dictated by the sender, as to the operations it can perform on the document via the server application. Files attached to electronic messages may also be removed and stored on a server, thus eliminating any possible effect on the recipient machine by the computer file. Also provided for is an adaptable thin-client system which adapts to local environmental and use conditions to provide the correct degree of thin-client or local application reliance.

A method of accessing an electronic page on a computer system, by ascertaining that the electronic page is adapted to be displayed as a single window containing a plurality of frames (having fixed attributes), but then displaying separate windows for respective frames, and enabling one or more window operations for each of the windows, such as resizing, minimizing, maximizing, and closing each of the windows. The windowed frames can be displayed as child windows within a parent window on the display device, or in separate parent windows. The frame windowing mode can be toggled between active and inactive states. Initial attributes of the windows can be based on the frame attributes of the respective frames. These attributes can be ascertained by interpreting tags in a main computer file associated with the electronic page, e.g., an HTML file which is downloaded over the World Wide Web.

A malware scanner (8) operates to scan compressed computer files (16) by compressing the malware signatures (17) using the same compression algorithm as used for the compressed computer file and then comparing the compressed malware signatures (18) with the compressed computer file directly.

A method and apparatus for geometrically organizing, interfacing to, surfing, authoring, converting and viewing computer files such as pages on the World Wide Web or operator interface windows of application software. A plurality of related Web pages or windows are organized and presented for view on a computer display in an apparent three or four dimensional relationship to each other with a front, right, left, top, and bottom face (page). A back face may be accessed by a button. Each face and its corresponding page/file can be further spatially related to five other faces and their corresponding pages/files in the same manner ad infinitum. The related pages are organized as a matrix of three dimensional cubes or four dimensional hypercubes.

Computer file archiving systems and techniques are described. Various aspects include wide area high-availability file archiving, volume-level management capabilities of archiving systems, and methods and systems for storing file archiving metadata. The methods and systems described can be used individually or in combination.

A malware detection system seeking to identify computer viruses, worms, Trojans, banned files and the like acts to determine from the file name, file size and storage location of a computer file being tested, whether that computer file potentially matches a specific known malware free computer file stored within a list of such specific known malware free computer files. If a match occurs indicating that the candidate computer file is potentially the specific known malware free computer file, then this is confirmed by calculating a checksum of the candidate computer file and comparing this against a stored corresponding checksum of the specific known malware free computer file. If these checksums match, then the candidate computer file can be passed as clean without requiring further time consuming malware detection scanning.

Securing computer files in which a publish permission is present in a file system. Upon receiving a request to write data from one file to another, the file system determines whether publish permission is needed. If so and the user lacks the publish permission, the request is rejected. Disclosed is securing computer files which include encrypting metadata about an encrypted file and storing both the encrypted file and the encrypted metadata. The metadata includes a key for decrypting the encrypted file. The key for decrypting the metadata is stored in a USB security token. Disclosed is securing computer files which include copying material from a window displaying the contents of a file to a clipboard application. The file or window is associated with the material. The clipboard application can deny a request to paste material associated with one file to a window displaying the contents of a different file.

A system and method for storing computer files in a destination file is described, which may be an incremental backup system. File headers related to the files may be stored in a file index separate from a data file, or subsequent versions may be stored in the same data file while maintaining earlier versions. File headers may include locations of files, checksums, metadata about individual blocks corresponding to the data files. A system may include a client application program stored on a client computer, a network, and a server software program on a destination computer. Embodiments may include compression, encryption, or both, performed by the client application program. Files may be divided into blocks, and metadata may include locations of blocks. Files may be restored from the destination computer to the source computer. Files storage locations on the destination computer may be mapped to the client computer to appear as a virtual hard drive for convenient access by a user.

A hash-optimized backup system and method takes data blocks and generates a probabilistically unique digital fingerprint of the content of each data block using a substantially collision-free algorithm. The process compares the generated fingerprint to a database of stored fingerprints and, if the generated fingerprint matches a stored fingerprint, the data block is determined to already have been backed up, and therefore does not need to be backed up again. Only if the generated fingerprint does not match a stored fingerprint is the data block backed up, at which point the generated fingerprint is added to the database of stored fingerprints. Because the algorithm is substantially collision-free, there is no need to compare actual data content if there is a hash-value match. The process can also be used to audit software license compliance, inventory software, and detect computer-file tampering such as viruses and malware.

A system and method that may include deploying a base computer file on a computer, activating a computer program by processing the base computer file, and generating a file for storing data associated with operation of the computer program. The system and method may further include processing an event trigger triggering sanitation of the file and replacing the file with a sanitized file.

A technique for establishing usage control over digital assets such as computer files. The system model not only tracks authorized users' access to files, but monitors passage of such files to uncontrollable removable storage media or through network connections and the like which may indicate possible abuse of access rights. In accordance with a preferred embodiment, an autonomous independent agent process running at a point of use, such a background process in a client operating system kernel, interrupts requests for access to resources. The agent process senses low level system events, filters, and aggregates them. A policy engine analyzes sequences of aggregate events to determine when policy violations occur.

Scanning of computer files for malware uses a classifying technique to classify an input file as a clean file or a dirty file. The parameters of the classifying technique are derived to train the classification on a corpus of reference files including clean files known to be free of malware and dirty files known to contain malware. The classification is performed using a representation of the files in a feature space defined by a set of predetermined features for respective file formats, the features being a predetermined value or range of values for one or more data fields of given meanings. The representation of a file is derived by determining the file format, parsing the file on the basis of the structure of data fields in the determined file format to identify the data fields and their meaning, and determining, on the basis of the identified data fields, which of the set of predetermined features are present.

A client/server network system is disclosed for cyclic multicasting of an image file from a central data provider (server) to one or more remote client machines (workstations) over a computer network with minimum network transmission while allowing any number of client machines (workstations) to download the image file at any moment in time without the need to synchronize with the central server's transmission. The network system includes a computer network; a plurality of remote client machines on the computer network; and a central server for providing a cyclic multicasting of an image file to one or more client machines over the computer network concurrently through the use of different transmission cycles of a single cyclic multicast session. An image file is asynchronously transferred from the central server to one or more remote client machines concurrently over a computer network through the use of different transmission cycles during a single cyclic multicast session so as to keep the network transmission and network bandwidth to a minimum.