Xem 1-20 trên 51 kết quả Security category
  • A recent report by Drexel University [Eisenstein et al., 2003b] addresses the complex issue of life safety systems tied into the BCS—a scenario that does not fit well with the scenarios presented above. Presently all life safety systems (fire) are in parallel to the HVAC and other elements of the BCS, with separate wiring and only connections at the highest controller level to allow the BCS to get status information.

    pdf17p khongmuonnghe 04-01-2013 18 5   Download

  • Impersonation is closely related to unauthorized access but is significant enough to be discussed separately. Impersonation is the ability to present credentials as if you are something or someone you are not. These attacks can take several forms: stealing a private key or recording an authorization sequence to replay at a later time. These attacks are commonly referred to as man-in-the-middle attacks, where an intruder is able to intercept traffic and can as a result hijack an existing session, alter the transmitted data, or inject bogus traffic into the network.

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  • Taking the network scenario of Figure 1, there will be web interfaces (routers and serv- ers), BACnet/IP controllers (connected to interesting devices that are network accessible), and operator workstations that may have vulnerable OS as well as configuration files and other interesting data and resources. The following table is adapted from a Drexel report on network security [Eisenstein et al., 2003a] and lists known IT threats to a BACnet network connected to the public Internet.

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  • The Need for Application Control The wide adoption of social media and Web 2.0 applications changes the way people use the Internet. More than ever, businesses struggle to keep up with security challenges. The use of internet applications comes with problems that administrators must know about: UserCheck CLI Malware threats - Application use can open networks to threats from malware. Popular applications like Twitter, Facebook, and YouTube can cause users to download viruses unintentionally. File sharing can easily cause malware to be downloaded into your network.

    pdf82p hoangtumayman 20-08-2012 31 2   Download

  • Introduction to Computing: Lecture 4 - Operating Systems present about Definition, Computer Process and Program, Resources Managed by OS, Other Functions, Interrupt Handling, Error Handling and Trapping, File Management and Security, Categories of Operating System.

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  • In this chapter, you will learn to: Differentiate between two categories of cryptography schemes; understand four aspects of security; understand the concept of digital signature; understand the role of key management in entity authentication; know how and where IPSec, TLS, and PPG provide security.

    ppt41p tangtuy09 26-04-2016 7 1   Download

  • The following 3 questions all refer to the scenario below: The company Certkiller manufactures and imports fasteners like bolts and nuts. The company's network consists of a main campus composed of three separate building that are less than 150 meters apart, connected with Category 5e copper wiring. Network access as well as distribution takes place by means of 100 Mbps hubs, and the core is a 100 Mbps Layer-2 switch. The company has been in existence for 8 years and thus development in the network resulted in a series of steps that involved minimal planning.

    pdf59p duypha 10-08-2009 98 28   Download

  • Data integrity refers to the consistency and accuracy of data. An important step in database planning is deciding how to ensure this integrity. Three categories of data integrity can be employed: domain, entity, and referential. Here you will learn about domain and entity integrity. (Referential integrity will be discussed in detail in the following topic.)

    pdf24p mylinh 13-08-2009 61 6   Download

  • This study investigates the feasibility, benefits and costs of implementing distance-based motor vehicle insurance. It is based on a literature review, analysis of insurance claim data, comparisons of different distance-based pricing options, and evaluation of concerns that have been raised about distance-based pricing. Vehicle insurance is a significant portion of total vehicle costs. A typical motorist spends almost as much on insurance as on fuel. Insurance is generally considered a fixed cost with respect to vehicle use.

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  • Psychological rather than informational differences may explain much of the variation in financial capability reported in the FSA (2006) Baseline Survey. This applies both to differences between individuals and across competence dimensions. The Baseline Survey indicates that in most capability categories, scores improve with age and the level of general education. This is consistent with the importance of attitudes rather than teachable specific knowledge.

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  • According to the World Intellectual Property Organization, intellectual property refers to “creations of the mind: inventions, literary and artistic works, and symbols, names, images, and designs used in commerce” (2008). The organization makes a distinction between two separate types of intellectual property, “industrial” and “copyright.” Typically, the former category of property is the kind owned by businesses (inventions, industrial designs, etc.), while the latter refers to artistic creations such as original writing or music.

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  • Databases are encapsulated by business logic. Before the advent of stored-procedures, all the business logic ran in the transaction processing monitor which was the middle tier of the classic three- tier presentation-application-data architecture. With stored pro- cedures, the TP-monitors were disintermediated by two-tiered client/server architectures. The emergence of web-servers and HTTP brought three-tier architectures back to center stage – in part ...

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  • The logs contained in this document are divided in four categories. The categories are router, firewall, Intrusion Detection Systems (IDS) and miscellaneous. These logs are meet to be used as reference to identify the type of software that generated a log model and if necessary, how they can be interpreted.

    pdf39p vuthuong 08-08-2009 58 4   Download

  • The description of a trading security includes both debt and marketable equity securities bought and held primarily to be sold in the near term. Trading activities typically involve active and frequent buying and selling to generate profits on short-term movements in market prices or spreads. ASC 320 does not specify how long securities in this category can be held, because the length of time will vary between investors and the nature of the securities.

    pdf101p bocapchetnguoi 05-12-2012 29 4   Download

  • To borrow a leaf from the Malawi Centre for Distance and Continuing Education, here are some areas they identified as having potential for both macro and micro projects in a DE set up. At their planning meeting (June 2006), they classified these areas into three categories, namely, projects to do with DE management and administration, programmes development, and learner support. Space has been left for you to add any areas you think forms part of each category, but has not been mentioned. ...

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  • With nearly one billion online videos viewed everyday, an emerging new frontier in computer vision research is recognition and search in video. While much effort has been devoted to the collection and annotation of large scal- able static image datasets containing thousands of image categories, human action datasets lag far behind. Cur- rent action recognition databases contain on the order of ten different action categories collected under fairly con- trolled conditions.

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  • A key component of the TrueNet® channel solution, ADC’s highest performing termination block, offers versatility not possible with patch panels. The CopperTen® 8-pair block’s unique center port eliminates the need to remove cables for testing and because patch cords are “temporary”, the system saves thousands over traditional patched solutions. Installations are hardwired providing the cleanest, most secure, reliable and high performing Category 6a system available.

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  • The widespread use of credit scores to underwrite and price automobile and homeowners insurance has generated considerable concern that the practice may significantly restrict the availability of affordable insurance products to minority and low- income consumers. However, no existing studies have effectively examined whether credit scores have a disproportionate negative impact on minorities or other demographic groups, primarily because of the lack of public access to appropriate data.

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  • Critical business systems and their associated technologies are typically held to performance benchmarks. In the security space, benchmarks of speed, capacity and accuracy are common for encryption, packet inspection, assessment, alerting and other critical protection technolo- gies. But how do you set benchmarks for a tool based on collection, normalization and corre- lation of security events from multiple logging devices? And how do you apply these bench- marks to today’s diverse network environments? ...

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  • The information security concern regarding information disposal and media sanitization resides not in the media but in the recorded information. The issue of media disposal and sanitization is driven by the information placed intentionally or unintentionally on the media. With the advanced features of today’s operating systems, electronic media used on a system should be assumed to contain information commensurate with the security categorization of the system’s confidentiality.

    pdf40p thamgiacongdong 02-05-2013 31 3   Download

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