The report highlights the importance of securing personal data in the era of big data, where unprivileged individuals are often vulnerable to privacy and security breaches. The challenges and problems associated with big data include infrastructure security, data privacy, managing data integrity, and insufficient authentication. To address these issues, relevant technologies such as cryptographic frameworks, metadata, flow information, packet capture, Hadoop, grid computing, and personalization can be implemented. These technologies help to protect client data from manipulation and misuse by hackers. Furthermore, the report emphasizes the importance of characterizing identification problems first and using technologies in a way that minimizes risk and impact on client data.