Network Security Overview Best CCSP Training Institute in Guragon

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For many years, networks were designed to be fairly open in nature and did not require much security. The greatest area of concern was physical access. Over time, networks grew in size, and complexity increased the need for network security. For today's businesses, security is now a mandatory part of designing IT systems, because the risks are too high if critical data is lost or tampered with. Security teams within organizations must now provide adequate levels of protection for the business to conduct its operations.

Network security is used to defend against network attacks and prevent unauthorized access from intruders. In addition, network security protects data from manipulation and theft. Businesses today also need to comply with company policy and security legislation that is in place to help protect data and keep it private.

Network security needs to be transparent to the end users and should also be designed to prevent attacks by

• Blocking external attackers from accessing the network
• Permitting access to only authorized users
• Preventing attacks from sourcing internally
• Supporting different levels of user access
• Safeguarding data from tampering or misuse

Security Legislation

A number of legislative bodies along with the public have insisted that security controls be in place to protect private information and make certain that it is handled properly. These legislative bodies influence network security by imposing mandates with which organizations are required to comply. These requirements may include protecting customer information with regards to privacy and, in some cases, requiring encryption of the data in question.

The U.S. has a growing body of security legislation that you need to be aware of:

• U.S. Public Company Accounting Reform and Investor Protection Act of 2002 (Sarbanes-Oxley or SOX)— Focuses on the accuracy and controls imposed on a company's financial records.
• Gramm-Leach-Bliley Financial Services Modernization Act of 1999 (GLBA)— Provides protection against the sale of bank and account information that is regularly bought and sold by financial institutions. GLBA also guards against the practice of obtaining private information through false pretenses.
• U.S. Health Insurance Portability and Accountability Act (HIPAA)— Applies to the protection of private health information that is used electronically. The purpose is to enable better access to health information, reduce fraud, and lower the cost of health care in the U.S.
• EU Data Protection Directive 95/46/EC— Calls for the protection of people's privacy with respect to the processing of personal data.