Information security is the process of reducing risks by using secure systems to remove or reduce vulnerabilities that could be exploited to gain unauthorized entry to sensitive business and personal information. It also incorporates a variety of technological solutions such as firewalls, antivirus, and encryption to prevent harm caused by theft of information or loss. This field is often referred as InfoSec and has developed into a highly-specialized field that encompasses everything from network security and infrastructure to testing and auditing.
No matter the size or nature, every business has sensitive information. This can include names, credit card or other account information, Social Security numbers, employee records and other confidential information. If it is misused the information could be used to commit identity theft or fraud, and can have devastating consequences to the reputation of a business.
A well-planned plan for protecting information is essential to protect an organization from breaches and ensure compliance with the law. It’s important to remember that information security is built on three pillars: confidentiality availability and integrity.
Confidentiality is the protection of data from unauthorized disclosure, and only allowing those who have been authorized to access it. This can be achieved by simple methods, for example, using strong passwords that are frequently changed, and encrypting data to ensure that it can only be read by those who have the key, or using messaging platforms that encrypt messages. Information protection is also a way to ensure that information is always accessible and can be restored in the event of a disaster occurs or a system fails. This is accomplished through backups and archiving systems.
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