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Chapter: Security in Computing : Legal and Ethical Issues in Computer Security

Information and the Law

Source code, object code, and even the "look and feel" of a computer screen are recognizable, if not tangible, objects. The law deals reasonably well, although somewhat belatedly, with these things.

Information and the Law


Source code, object code, and even the "look and feel" of a computer screen are recognizable, if not tangible, objects. The law deals reasonably well, although somewhat belatedly, with these things. But computing is in transition to a new class of object, with new legal protection requirements. Electronic commerce, electronic publishing, electronic voting, electronic bankingthese are the new challenges to the legal system. In this section we consider some of these new security requirements.


Information as an Object


The shopkeeper used to stock "things" in the store, such as buttons, automobiles, and pounds of sugar. The buyers were customers. When a thing was sold to a customer, the shopkeeper's stock of that thing was reduced by one, and the customer paid for and left with a thing. Sometimes the customer could resell the thing to someone else, for more or less than the customer originally paid.


Other kinds of shops provided services that could be identified as things, for example, a haircut, root canal, or defense for a trial. Some services had a set price (for example, a haircut), although one provider might charge more for that service than another. A "shopkeeper" (hair stylist, dentist, lawyer) essentially sold time. For instance, the price of a haircut generally related to the cost of the stylist's time, and lawyers and accountants charged by the hour for services in which there was no obvious standard item. The value of a service in a free economy was somehow related to its desirability to the buyer and the seller. For example, the dentist was willing to sell a certain amount of time, reserving the rest of the day for other activities. Like a shopkeeper, once a service provider sold some time or service, it could not be sold again to someone else.


But today we must consider a third category for sale: information. No one would argue against the proposition that information is valuable. Students are tempted to pay others for answers during examinations, and businesses pay for credit reports, client lists, and marketing advice. But information does not fit the familiar commercial paradigms with which we have dealt for many years. Let us examine why information is different from other commercial things.


Information Is Not Depletable


Unlike tangible things and services, information can be sold again and again without depleting stock or diminishing quality. For example, a credit bureau can sell the same credit report on an individual to an unlimited number of requesting clients. Each client pays for the information in the report. The report may be delivered on some tangible medium, such as paper, but it is the information, not the medium, that has the value.


This characteristic separates information from other tangible works, such as books, CDs, or art prints. Each tangible work is a single copy, which can be individually numbered or accounted for. A bookshop can always order more copies of a book if the stock becomes depleted, but it can sell only as many copies as it has.


Information Can Be Replicated


The value of information is what the buyer will pay the seller. But after having bought the information, the buyer can then become a seller and can potentially deprive the original seller of further sales. Because information is not depletable, the buyer can enjoy or use the information and can also sell it many times over, perhaps even making a profit.


Information Has a Minimal Marginal Cost


The marginal cost of an item is the cost to produce another one after having produced some already. If a newspaper sold only one copy on a particular day, that one issue would be prohibitively expensive because it would have to cover the day's cost (salary and benefits) of all the writers, editors, and production staff, as well as a share of the cost of all equipment for its production. These are fixed costs needed to produce a first copy. With this model, the cost of the second and subsequent copies is minuscule, representing basically just the cost of paper and ink to print them. Fortunately, newspapers have very large press runs and daily sales, so the fixed costs are spread evenly across a large number of copies printed. More importantly, publishers have a reasonable idea of how many copies will sell, so they adjust their budgets to make a profit at the expected sales volume, and extra sales simply increase the profit. Also, newspapers budget by the month or quarter or year so that the price of a single issue does not fluctuate based on the number of copies sold of yesterday's edition.


In theory, a purchaser of a copy of a newspaper could print and sell other copies of that copy, although doing so would violate copyright law. Few purchasers do that, for four reasons.


The newspaper is covered by copyright law.


The cost of reproduction is too high for the average person to make a profit.


It is not fair to reproduce the newspaper that way.


There is usually some quality degradation in making the copy.


Unless the copy is truly equivalent to the original, many people would prefer to buy an authentic issue from the news agent, with clear type, quality photos, actual color, and so forth.


The cost of information similarly depends on fixed costs plus costs to reproduce. Typically, the fixed costs are large whereas the cost to reproduce is extremely small, even less than for a newspaper because there is no cost for the raw materials of paper and ink. However, unlike a newspaper, information is far more feasible for a buyer to resell. A copy of digital information can be perfect, indistinguishable from the original, the same being true for copies of copies of copies of copies.


The Value of Information Is Often Time Dependent


If you knew for certain what the trading price of a share of Microsoft stock would be next week, that information would be extremely valuable because you could make an enormous profit on the stock market. Of course, that price cannot be known today. But suppose you knew that Microsoft was certain to announce something next week that would cause the price to rise or fall. That information would be almost as valuable as knowing the exact price, and it could be known in advance. However, knowing yesterday's price for Microsoft stock or knowing that yesterday Microsoft announced something that caused the stock price to plummet is almost worthless because it is printed in every major financial newspaper. Thus, the value of information may depend on when you know it.


Information Is Often Transferred Intangibly


A newspaper is a printed artifact. The news agent hands it to a customer, who walks away with it. Both the seller and the buyer realize and acknowledge that something has been acquired. Furthermore, it is evident if the newspaper is seriously damaged; if a serious production flaw appears in the middle, the defect is easy to point out.


But times are changing. Increasingly, information is being delivered as bits across a network instead of being printed on paper. If the bits are visibly flawed (that is, if an error detecting code indicates a transmission error), demonstrating that flaw is easy. However, if the copy of the information is accurate but the underlying information is incorrect, useless, or not as expected, it is difficult to justify a claim that the information is flawed.


Legal Issues Relating to Information


These characteristics of information significantly affect its legal treatment. If we want to understand how information relates to copyright, patent, and trademark laws, we must understand these attributes. We can note first that information has some, limited legal basis for the protection. For example, information can be related to trade secrets, in that information is the stock in trade of the information seller. While the seller has the information, trade secret protection applies naturally to the seller's legitimate ability to profit from information. Thus, the courts recognize that information has value.


However, as shown earlier, a trade secret has value only as long as it remains a secret. For instance, the Coca-Cola Company cannot expect to retain trade secret protection for its formula after it sells that formula. Also, the trade secret is not secure if someone else can derive or infer it.


Other forms of protection are offered by copyrights and patents. As we have seen earlier, neither of these applies perfectly to computer hardware or software, and they apply even less well to information. The pace of change in the legal system is slow, helping to ensure that the changes that do occur are fair and well considered. The deliberate pace of change in the legal system is about to be hit by the supersonic rate of change in the information technology industry. Laws do not, and cannot, control all cyber threats. Let us look at several examples of situations in which information needs are about to place significant demands on the legal system.


Information Commerce


Information is unlike most other goods traded, even though it has value and is the basis of some forms of commerce. The market for information is still young, and so far the legal community has experienced few problems. Nevertheless, several key issues must be resolved.


For example, we have seen that software piracy involves copying information without offering adequate payment to those who deserve to be paid. Several approaches have been tried to ensure that the software developer or publisher receives just compensation for use of the software: copy protection, freeware, and controlled distribution. More recently, software is being delivered as mobile code or applets, supplied electronically as needed. The applet approach gives the author and distributor more control. Each applet can potentially be tracked and charged for, and each applet can destroy itself after use so that nothing remains to be passed for free to someone else. But this scheme requires a great deal of accounting and tracking, increasing the costs of what might otherwise be reasonably priced. Thus, none of the current approaches seem ideal, so a legal remedy will often be needed instead of, or in addition to, the technological ones.


Electronic Publishing


Many newspapers and magazines post a version of their content on the Internet, as do wire services and television news organizations. For example, the British Broadcasting Company (BBC) and the Reuters news services have a significant web presence. We should expect that some news and information will eventually be published and distributed exclusively on the Internet. Indeed, encyclopedias such as the Britannica and Expedia are mainly web-based services now, rather than being delivered as the large number of book volumes they used to occupy. Here again the publisher has a problem ensuring that it receives fair compensation for the work. Cryptography-based technical solutions are under development to address this problem. However, these technical solutions must be supported by a legal structure to enforce their use.


Protecting Data in a Database


Databases are a particular form of software that has posed significant problems for legal interpretation. The courts have had difficulty deciding which protection laws apply to databases. How does one determine that a set of data came from a particular database (so that the database owner can claim some compensation)? Who even owns the data in a database if it is public data, such as names and addresses?

Electronic Commerce


Laws related to trade in goods have evolved literally over centuries. Adequate legal protections exist to cover defective goods, fraudulent payment, and failure to deliver when the goods are tangible and are bought through traditional outlets such as stores and catalogs. However, the situation becomes less clear when the goods are traded electronically.


If you order goods electronically, digital signatures and other cryptographic protocols can provide a technical protection for your "money." However, suppose the information you order is not suitable for use or never arrives or arrives damaged or arrives too late to use. How do you prove conditions of the delivery? For catalog sales, you often have receipts or some paper form of acknowledgment of time, date, and location.


But for digital sales, such verification may not exist or can be easily modified. These legal issues must be resolved as we move into an age of electronic commerce.


Protecting Information


Clearly, current laws are inadequate for protecting the information itself and for protecting electronically based forms of commerce. So how is information to be protected legally? As described, copyrights, patents, and trade secrets cover some, but not all, issues related to information. Nevertheless, the legal system does not allow free traffic in information; some mechanisms can be useful.


Criminal and Civil Law


Statutes are laws that state explicitly that certain actions are illegal. A statute is the result of a legislative process by which a governing body declares that the new law will be in force after a designated time. For example, the parliament may discuss issues related to taxing Internet transactions and pass a law about when relevant taxes must be paid. Often, a violation of a statute will result in a criminal trial, in which the government argues for punishment because an illegal act has harmed the desired nature of society. For example, the government will prosecute a murder case because murder violates a law passed by the government. In the United States, criminal transgressions are severe, and the law requires that the judge or jury find the accused guilty beyond reasonable doubt. For this reason, the evidence must be strong and compelling. The goal of a criminal case is to punish the criminal, usually by depriving him or her of rights in some way (such as putting the criminal in prison or assessing a fine).


Civil law is a different type of law, not requiring such a high standard of proof of guilt. In a civil case, an individual, organization, company, or group claims it has been harmed. The goal of a civil case is restitution: to make the victim "whole" again by repairing the harm. For example, suppose Fred kills John. Because Fred has broken a law against murder, the government will prosecute Fred in criminal court for having broken the law and upsetting the order of society. Abigail, the surviving wife, might be a witness at the criminal trial, hoping to see Fred put in prison. But she may also sue him in civil court for wrongful death, seeking payment to support her surviving children.


Tort Law


Special legal language describes the wrongs treated in a civil case. The language reflects whether a case is based on breaking a law or on violating precedents of behavior that have evolved over time. In other words, sometimes judges may make determinations based on what is reasonable and what has come before, rather than on what is written in legislation. A tort is harm not occurring from violation of a statute or from breach of a contract but instead from being counter to the accumulated body of precedents. Thus, statute law is written by legislators and is interpreted by the courts; tort law is unwritten but evolves through court decisions that become precedents for cases that follow. The basic test of a tort is what a reasonable person would do. Fraud is a common example of tort law in which, basically, one person lies to another, causing harm.


Computer information is perfectly suited to tort law. The court merely has to decide what is reasonable behavior, not whether a statute covers the activity. For example, taking information from someone without permission and selling it to someone else as your own is fraud. The owner of the information can sue you, even though there may be no statute saying that information theft is illegal. That owner has been harmed by being deprived of the revenue you received from selling the information.


Because tort law is written only as a series of court decisions that evolve constantly, prosecution of a tort case can be difficult. If you are involved in a case based on tort law, you and your lawyer are likely to try two approaches: First, you might argue that your case is a clear violation of the norms of society, that it is not what a fair, prudent person would do. This approach could establish a new tort. Second, you might argue that your case is similar to one or more precedents, perhaps drawing a parallel between a computer program and a work of art. The judge or jury would have to decide whether the comparison was apt. In both of these ways, law can evolve to cover new objects.


Contract Law


A third form of protection for computer objects is contracts. A contract is an agreement between two parties. A contract must involve three things:

an offer


an acceptance


a consideration


One party offers something: "I will write this computer program for you for this amount of money." The second party can accept the offer, reject it, make a counter offer, or simply ignore it. In reaching agreement with a contract, only an acceptance is interesting; the rest is just the history of how agreement was reached. A contract must include consideration of money or other valuables.


The basic idea is that two parties exchange things of value, such as time traded for money or technical knowledge for marketing skills. For example, "I'll wash your car if you feed me dinner" or "Let's trade these two CDs" are offers that define the consideration. It helps for a contract to be in writing, but it does not need to be. A written contract can involve hundreds of pages of terms and conditions qualifying the offer and the consideration.


One final aspect of a contract is its freedom: the two parties have to enter into the contract voluntarily. If I say "sign this contract or I'll break your arm," the contract is not valid, even if leaving your arm intact is a really desirable consideration to you. A contract signed under duress or with fraudulent action is not binding. A contract does not have to be fair, in the sense of equivalent consideration for both parties, as long as both parties freely accept the conditions.


Information is often exchanged under contract. Contracts are ideal for protecting the transfer of information because they can specify any conditions. "You have the right to use but not modify this information," "you have the right to use but not resell this information," or "you have the right to view this information yourself but not allow others to view it" are three potential contract conditions that could protect the commercial interests of an owner of information.


Computer contracts typically involve the development and use of software and computerized data. As we note shortly, there are rules about who has the right to contract for softwareemployers or employeesand what are reasonable expectations of software's quality.


If the terms of the contract are fulfilled and the exchange of consideration occurs, everyone is happy. Usually. Difficulties arise when one side thinks the terms have been fulfilled and the other side disagrees.


As with tort law, the most common legal remedy in contract law is money. You agreed to sell me a solid gold necklace and I find it is made of brass. I sue you. Assuming the court agreed with me, it might compel you to deliver a gold necklace to me, but more frequently the court will decide I am entitled to a certain sum of money. In the necklace case, I might argue first to get back the money I originally paid you, and then argue for incidental damages from, for example, the doctor I had to see when your brass necklace turned my skin green, or the embarrassment I felt when a friend pointed to my necklace and shouted "Look at the cheap brass necklace!" I might also argue for punitive damages to punish you and keep you from doing such a disreputable thing again. The court will decide which of my claims are valid and what a reasonable amount of compensation is.


Summary of Protection for Computer Artifacts


This section has presented the highlights of law as it applies to computer hardware, software, and data. Clearly these few pages only skim the surface; the law has countless subtleties. Still, by now you should have a general idea of the types of protection available for what things and how to use them. The differences between criminal and civil law are summarized in Table 11-2.



Contracts help fill the voids among criminal, civil, and tort law. That is, in the absence of relevant statutes, we first see common tort law develop. But people then enhance these laws by writing contracts with the specific protections they want.


Enforcement of civil lawtorts or contractscan be expensive because it requires one party to sue the other. The legal system is informally weighted by money. It is attractive to sue a wealthy party who could pay a hefty judgment. And a big company that can afford dozens of top-quality lawyers will more likely prevail in a suit than an average individual.

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