Data security is the protection of data and systems against unauthorized access, modification and use. This helps to avoid data breaches that could result in disruption to business operations financial loss, compliance penalties, and reputational damage. Modern approaches to data protection comprise a mix of tools, technologies and best practice that focus on three pillars: Confidentiality, Integrity and Integrity.
Data security starts with an extensive inventory and mapping. This includes cataloging all the data stored in your data centers, storage devices that are network-attached and mobile devices, desktops, cloud services offered by third-party companies and software applications. It is important to think about physical storage such as USB sticks and external hard drives as well as discarded documents and printed files. These tend to be overlooked and can contain a wealth of confidential information, making them a popular target for cybercriminals.
Once you’ve gotten a better understanding of your data sets, you’ll have to classify sensitive information in order to understand the location and where it is situated within your system. This allows you to prioritize your security efforts, ensuring that the highest-value data is protected while information that is less crucial remains readily accessible. This also allows you to meet regulatory and industry standards, like those applicable to finance, health care and communications.
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