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Securing New Information Technology Previous Screen Louis Fried Payoff New Information Technologies Mean New Information Security Risks

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Securing New Information Technology Previous Screen Louis Fried Payoff New Information Technologies Mean New Information Security Risks 82-10-10 Securing New Information Technology Previous screen Louis Fried Payoff New information technologies mean new information security risks. This article helps data center managers to keep up with new information technology and the security risks this technology presents. Introduction The job of the IS security specialist has gone from protecting information within the organization to protecting information in the extended enterprise. Controlled offices and plants have given way to a porous, multiconnected, global environment. The pace at which new information technology capabilities are being introduced in the corporate setting also creates a situation in which the potential of new security risks isn't well thought out. Data center managers must be aware of these threats before adopting new technologies so that they can take adequate countermeasures. Information security is concerned with protecting: · The availability of information and information processing resources. · The integrity and confidentiality of information. Unless adequate protection is in place when new business applications are developed, one or both of these characteristics of information security may be threatened. Availability alone is a major issue. Among US companies, the cost of systems downtime has been placed by some estimates at $4 billion a year, with a loss of 37 million hours in worker productivity. The application of information security methods has long been viewed as insurance against potential losses. Senior management has applied the principle that it should not spend more for insurance than the potential loss could cost. In many cases, management is balancing information security costs against the potential for a single loss incident, rather than multiple occurrences of loss. This fallacious reasoning can lead to a failure to protect information assets continuously or to upgrade that protection as technology changes and exposes new opportunities for losses. Those who would intentionally damage or steal information also follow some basic economic principles. Amateur hackers may not place a specific value on their time and thus may be willing to put substantial effort into penetrating information systems. A professional clearly places an implicit value on time by seeking the easiest way to penetrate a system or by balancing potential profit against the time and effort necessary to carry out a crime. New technologies that create new (and possibly easier) ways to penetrate a system invite such professionals and fail to deter the amateurs. This article describes some of the potential threats to information security that may arise in the next few years. The article concludes by pointing out the opportunities for employing new countermeasures. New Threats to Information Security Document Imaging Systems The capabilities of document imaging systems include: · Reading and storing images of paper documents. Previous screen · Character recognition of text for abstracting or indexing. · Retrieval of stored documents by index entry. · Manipulation of stored images. · Appending notes to stored images (either text or voice). · Workflow management tools to program the distribution of documents as action steps are needed. Workflow management is critical to taking full advantage of image processing for business process applications in which successive or parallel steps are required to process the document. Successful applications include loan processing, insurance application or claims processing, and many others that depend on the movement of documents through review and approval steps. Image processing usually requires a mainframe or minicomputer for processing any serious volume of information, though desktop and workstation versions also exist for limited use. In addition, a full image processing system requires document readers (i.e., scanners), a local area network (LAN), workstations or personal computers, andlaser printer as output devices. It is possible to operate image processing over a Wide Area Network; however, because of the bandwidth required for reasonable response times, this is not usually done. As a result, most configurations are located within a single building or building complex. Two years ago, an insurance company installed an imaging application for processing claims. The system was installed on a LAN linked to a minicomputer in the claims processing area. A manager who had received a layoff notice accessed the parameter-driven work-flow management system and randomly realigned the processing steps into new sequences, reassigning the process steps in an equally random fashion to the hundred or so claims processing clerks using the system. He then took the backup tapes, which were rotated weekly, and backed up the revised system files on all the tapes, replacing them in the tape cabinet. The individual did not steal any information or delete any information from the system. The next morning, he called the personnel department and requested that his final paycheck be sent to his home. The cost to the insurance company? Tens of thousands of dollars in clerical time wasted and professional and managerial time lost in finding and correcting the problem. Even worse, there were weeks of delays in processing claims and handling the resultant complaint letters. No one at the company can estimate the loss of goodwill in the customer base. Workflow Management's Weaknesses. The techniques of workflow management that make image processing systems so effective are also their Achilles' heel. Potential threats to image processing systems may come from disruption of the workflow by unauthorized changes to sequence or approval levels in workflow management systems or from the disruption of the workflow by component failure or damage. Information contained on documents may be stolen by the unauthorized copying (downloading of the image to the workstation) and release of document images by users of workstations. These potential threats raise issues that must be considered in the use of image processing technology. The legal status of stored images may be questioned in court because of the potential for undetectable change. In addition, there are the threats to the business from loss of confidentiality of documents, loss of availability of the system during Previous screen working hours, damage to the integrity of the images and notes appended to them, and questions about authenticity of stored documents. Minisupercomputers Massively parallel minisupercomputers are capable of providing relatively inexpensive, large computational capacity for such applications as signal processing, image recognition processing, orneural network processing. Massively parallel processors are generally designed to work as attached processors or in conjunction with workstations. Currently available minisupercomputers can provide 4,096 processors for$85,000 or 8,192 processors for $150,000. They can interface to such devices as workstations, file servers, and LANs. These machines can be an inexpensive computational resource for cracking encryption codes or computer-access codes; consequently, organizations that own them are well advised to limit access control for resource use to authorized users. This is especially true if the processor is attached to a mainframe with wide area network (WAN) connectivity. Such connectivity may allow unauthorized users to obtain access to the attached processor through the host machine. Even without using a minisupercomputer but by simply stealing unauthorized time on conventional computers, a European hacker group bragged that it had figured out the access codes to all the major North American telephone switches. This allows them to make unlimited international telephone calls at no cost (or, if they are so inclined, to destroy the programming in the switches and deny service to millions of telephone users). Neural Network Systems Neural network systems are software (or hardware/software combinations) capable of heuristic learning within limited domains. These systems are an outgrowth of artificial intelligence research and are currently available at different levels of capacity on systems ranging from personal computers to mainframes. With their heuristic learning capabilities, neural networks can learn how to penetrate a network or computer system. Small systems are already in the hands of hobbyists and hackers. The capability ofneural networks programs will increase as greater amounts of main memory and processing power become easily affordable for desktop machines. Wireless Local Area Networks Wireless LANs support connectivity of devices by using radio frequency (RF) or infrared (IR) transmission between devices located in an office or office building. Wireless LANs consist of a LAN controller and signal generators or receivers that are either attached to devices or embedded in them. Wireless LANs have the advantage of allowing easy movement of connected devices so that office space can be reallocated or modified without the constraints of hard wiring. They can connect all sizes of computers and some peripherals. As portable computers become more intensively used, they can be easily connected to PCs or workstations in the office for transmission of files in either direction. Wireless LANs may be subject to signal interruption or message capture by unauthorized parties. Radio frequency LANs operate throughout a transmitting area and are therefore more vulnerable than infrared transmission, which is line-of-sight only. Among
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