Data security is the protection of the systems and data belonging to an organization against unauthorized access, modification and use. This helps avoid data breaches that could cause disruption to businesses as well as financial losses as well as compliance penalties and reputation damage. Modern approaches to data security consist of a combination of tools technology and best practices that are based on three pillars: Confidentiality, Integrity and Integrity.

The first step towards effective data security is to create and maintaining an inventory and mapping of your data sets. This includes cataloguing all data stored in your data centers, network-attached storage, mobile devices, desktops, third-party cloud services and software applications. It is essential to consider physical storage such as USB sticks and external hard drives, as well as old documents and printed documents. These are often overlooked however they can contain valuable confidential data. Cybercriminals are likely to take advantage of this.

Once you’ve gotten a better understanding of your data sets the next step is to classify your sensitive information so that you can better understand the nature and location of it within your system. This allows you to prioritize your security efforts by ensuring that the most valuable information is protected while less important information is accessible. This also allows you to be in compliance with regulatory and industry standards, like those applicable to finance, health care and telecoms.

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