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The Official (ISC)2 SSCP CBK Reference. Mike Wills
Читать онлайн.Название The Official (ISC)2 SSCP CBK Reference
Год выпуска 0
isbn 9781119874874
Автор произведения Mike Wills
Жанр Зарубежная компьютерная литература
Издательство John Wiley & Sons Limited
Privacy
Although legal and cultural definitions of privacy abound, we each have an internalized, working idea of what it means to keep something private. Fundamentally, this means that when we do something, write something down, or talk with another person, we have a reasonable expectation that what is said and done stays within a space and a place that we can control. We get to choose whom we share our thoughts with or whom we invite into our home. And with this working concept of privacy deep in our minds, we establish circles of trust. The innermost circle, those closest to us, we call our intimates; these are the people with whom we mutually share our feelings, ideas, hopes, worries, and dreams. Layer by layer, we add on other members of our extended family, our neighbors, or even people we meet every morning at the bus stop. We know these people to varying degrees, and our trust and confidence in them varies as well. We're willing to let our intimates make value judgments about what we consider to be our private matters or accept criticism from them about such matters; we don't share these with those not in our “inner circle,” and we simply not tolerate them (tolerate criticism or judgments) from someone who is not at the same level of trust and regard.
Businesses work the same way. Businesses need to have a reasonable expectation that problems or issues stay within the set of people within the company who need to be aware of them and involved in their resolution. This is in addition to the concept of business confidential or proprietary information—it's the need to take reasonable and prudent measures to keep conversations and tacit knowledge inside the walls of the business and, when applicable, within select circles of people inside the business.
As more and more headline-making data breaches occur, people are demanding greater protection of personally identifiable information (PII) and other information about them as individuals. Increasingly, this is driving governments and information security professionals to see privacy as separate and distinct from confidentiality. While both involve keeping closely held, limited-distribution information safe from inadvertent disclosure, we're beginning to see that they may each require subtly different approaches to systems design, operation, and management to achieve.
Privacy: In Law, in Practice, in Information Systems
In legal terms, privacy relates to three main principles: restrictions on search and seizure of information and property, self-incrimination, and disclosure of information held by the government to plaintiffs or the public. Many of these legal concepts stem from the idea that government must be restricted from taking arbitrary action against its citizens, or people (human beings or fictitious entities) who are within the jurisdiction of those governments. Laws such as the Fourth and Fifth Amendments to the US Constitution, for example, address the first two, while the Privacy Act of 1974 created restrictions on how government could share with others what it knew about its citizens (and even limited sharing of such information within the government). Medical codes of practice and the laws that reflect them encourage data sharing to help health professionals detect a potential new disease epidemic but also require that personally identifiable information in the clinical data be removed or anonymized to protect individual patients.
The European Union has enacted a series of policies and laws designed to protect individual privacy as businesses and governments exchange data about people, about transactions, and about themselves. The latest of these, the General Data Protection Regulation 2016/679, is a law binding upon all persons, businesses, or organizations doing anything involving the data related to an EU person. GDPR's requirements meant that by May 2018, businesses had to change the ways that they collected, used, stored, and shared information about anyone who contacted them (such as by browsing to their website); they also had to notify such users about the changes and gain their informed consent to such use. Many news and infotainment sites hosted in the United States could not serve EU persons until they implemented changes to become GDPR compliant.
Privacy as a data protection framework, such as GDPR, provides you with specific functional requirements your organization's use of information must comply with; you are a vital part in making that compliance effective and in assuring that such usage can be audited and controlled effectively. If you have doubts as to whether a particular action or an information request is legal or ethical, ask your managers, the organizational legal team, or its ethics advisor (if it has one).
In some jurisdictions and cultures, we speak of an inherent right to privacy; in others, we speak to a requirement that people and organizations protect the information that they gather, use, and maintain when that data is about another person or entity. In both cases, the right or requirement exists to prevent harm to the individual. Loss of control over information about you or about your business can cause you grave if not irreparable harm.
Law at local, national, and international levels continues to evolve. Let's look at a fews.
Universal Declaration of Human Rights
Following World War II, there was a significant renewal and an increased sense of urgency to ensure that governments did not act in an arbitrary manner against citizens. The United Nations drafted the Universal Declaration of Human Rights that set forth these expectations for members. Article 12 states, “No one shall be subjected to arbitrary interference with his privacy, family, home or correspondence, nor to attacks upon his honour and reputation. Everyone has the right to the protection of the law against such interference or attacks.”
OECD and Privacy
The Organization for Economic Cooperation and Development (OECD) promotes policies designed to improve the economic and social well-being of people around the world. In 1980, the OECD published “Guidelines on the Protection of Privacy and Transborder Flows of Personal Data” to encourage the adoption of comprehensive privacy protection practices. In 2013, the OECD revised its Privacy Principles to address the wide range of challenges that came about with the explosive growth of information technology. Among other changes, the new guidelines placed greater emphasis on the role of the data controller to establish appropriate privacy practices for their organizations.
The OECD Privacy Principles are used throughout many international privacy and data protection laws and are also used in many privacy programs and practices. The eight privacy principles are as follows:
1 Collection Limitation Principle: This principle states that data that is collected should be obtained by lawful and fair means, that the data subject should be aware of and consent to the collection of the data where appropriate, and that the quantity and type of data should be limited.
2 Data Quality Principle: This principle is aimed at the accuracy and completeness of data, whether it is appropriately maintained and updated, and whether the data retained is relevant to the purposes it is used for.
3 Purpose Specification Principle: Purpose specification means that the reasons that personal data is collected should be determined before it is collected, rather than after the fact, and that later data reuse is in line with the reason that the data was originally obtained.
4 Use Limitation Principle Security: This principle notes that release or disclosure of personal data should be limited to the purposes it was gathered for unless the data subject agrees to the release or it is required by law.
5 Security Safeguards