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Method and system for detecting intrusion into and misuse of a data processing system

Disclosed is a Security Indications and Warning (SI&W) Engine usable in conjunction with an audit agent. The audit agent forwards normalized audits to the SI&W Engine. The SI&W Engine groups the normalized audits into related groupings. Gauges are used to count the number of occurrences of audited events. A statistical engine provides statistical representations of the number of events per user, per session and per node. A predetermined number of criteria are defined a particular gauge or gauge pair. There may be many criteria for a particular network. When a predetermined number of criteria within a criteria set are triggered, an indicator is triggered. More complex indicators can use combinations of lower level indicators to provide further indications of potential security threads. Thus, a hierarchical system of gauges, criteria and indicators is used to measure boundary violations and breaches of different barriers. Advantageously, because there are no predefined scenarios or profiles that must be performed by a potential misuser or intruder, the SI&W Engine of the present invention is capable of indicating that a potential security threat exists in near-real time.
Owner:NORTHROP GRUMMAN SYST CORP +1

Nonaqueous electrolyte secondary battery

The invention provides a nonaqueous electrolyte secondary battery excellent in output characteristic such as large current discharge or pulse discharge in ordinary use, high in safety by preventing destruction due to suppression of current in an abnormality such as external short-circuiting, and further large in capacity. The nonaqueous electrolyte secondary battery comprises an external can opened at one end thereof, an electrode assembly contained in the external can, and comprising a negative electrode, a separator and a positive electrode, a nonaqueous electrolyte contained in the external can, and a sealing lid group tightly sealed at the opening of the external can by way of an insulating member, wherein the sealing lid group includes an intact plate-like PTC element having a fragile portion to be easily broken due to elevation of internal pressure by gas generation.
Owner:KK TOSHIBA
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