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The primary concern for a risk practitioner in adopting innovative big data analytics is the potential re-identification of individuals from previously anonymized data. Advanced analytics techniques can inadvertently combine datasets in ways that reveal personal identities, leading to privacy breaches and regulatory non-compliance. This risk is heightened when data from multiple sources are aggregated, increasing the chance of re-identification.

The most effective way to reduce risk associated with an increase of online transactions on a retailer website is to implement website activity monitoring. Website activity monitoring can help to detect and prevent fraudulent transactions, unauthorized access, data breaches, and other cyber threats that may compromise the security and integrity of the website and its data. Scalable infrastructure, a hot backup site, and transaction limits are other possible ways to reduce risk, but they are not as effective as website activity monitoring. References = ISACA Certified in Risk and Information Systems Control (CRISC) Certification Exam Question and Answers, question 7; CRISC Review Manual, 6th Edition, page 202.

The most helpful factor for an information security management team when allocating resources to mitigate exposures is the risk assessment results. The risk assessment results provide a comprehensive and objective analysis of the risks facing the enterprise, including their likelihood, impact, and root causes. The risk assessment results also help to identify the gaps and weaknesses in the existing controls, and to prioritize the risks based on their severity and urgency. The risk assessment results enable the information security management team toallocate the resources in a cost-effective and risk-based manner, and to implement the most appropriate risk responses to reduce the exposures to an acceptable level. References = Risk and Information Systems Control Study Manual, 7th Edition, Chapter 4, Section 4.1.1, page 1751

According to the CRISC Review Manual (Digital Version), a contract associated with a cloud service provider must include ownership of responsibilities, as this defines the roles and obligations of both the cloudprovider and the customer in relation to the cloud services. The contract should specify who is responsible for:

Service delivery and performance

Data security and privacy

Compliance with regulations and standards

Incident management and reporting

Business continuity and disaster recovery

Change management and configuration control

Intellectual property rights and licensing

Termination and data egress

The contract should also include service level agreements (SLAs) that measure and monitor the quality and availability of the cloud services, as well as remedies and penalties for non-compliance. The contract should also address pricing and payment terms, dispute resolution mechanisms, and liability and indemnification clauses.

References = CRISC Review Manual (Digital Version), Chapter 3: IT Risk Response, Section 3.3: Risk Response Options, pp. 173-1741