WEEK4

In the of telecommunications, data retention (or data preservation) generally refer to the storage of call detail record(CDRs) of telephony and transaction data (IPDRs) by government and commercial organisations. In the case of government data retention, the data that is stored is usually of telephone calls made and received, emails sent and received and web sites visited. Location data also collected


Data retention defines the policies of persistent data and records management for meeting legal and business and data archival requirements. A data retention polocy weighs legal and privacy concerns against economics and need-to-know concerns to determine both the retention time, archival rules, data formats, and the permissible means of storage, access, and encryption retention policy weigh legal and privacy concerns against economics and need-to-know concerns to determine both the retention time, archival rules, data formats, and the permissible means of storage, access, and encryption.