In the field of information security, Harris  offers the Information security definitions of due care and due diligence: The username is the most common form of identification on computer Information security today and the password is the most common form of authentication. The Information Systems Audit and Control Association ISACA and its Business Model for Information Information security also serves as a tool for security professionals to examine security from a systems perspective, creating an environment where security can be managed holistically, allowing actual risks to be addressed.
In some cases, the risk can be transferred to another business by buying insurance or outsourcing to another business.
For any given risk, management can choose to accept the risk based upon the relative low value of the asset, the relative low frequency of occurrence, and the relative low impact on the business. To fully protect the information during its lifetime, each component of the information processing system must have its own protection mechanisms.
Separating the network and workplace into functional areas are also physical controls. The access control mechanisms are then configured to enforce these policies. Typically, this group is led by a chief information security officer. Cryptography can introduce security problems when it is not implemented correctly.
Controls can vary in nature, but fundamentally they are ways of protecting the confidentiality, integrity or availability of information. Access control[ edit ] Access to protected information must be restricted to people who are authorized to access the information.
For example, an employee who submits a request for reimbursement should not also be able to authorize payment or print the check. This principle gives access rights to a person to perform their job functions.
The policy should describe the different classification labels, define the criteria for information to be assigned a particular label, and list the required security controls for each classification.
This requires information to be assigned a security classification. In the mandatory access control approach, access is granted or denied basing upon the security classification assigned to the information resource.
A prudent person takes due care to ensure that everything necessary is done to operate Information security business by sound business principles and in a legal ethical manner. The access control mechanism a system offers will be based upon one of three approaches to access control, or it may be derived from a combination of the three approaches.
Organizations can implement additional controls according to requirement of the organization. These objectives ensure that sensitive information is only disclosed to authorized parties confidentialityprevent unauthorized modification of data integrity and guarantee the data can be accessed by authorized parties when requested availability.
In the government sector, labels such as: Effective policies ensure that people are held accountable for their actions. Laws and regulations created by government bodies are also a type of administrative control because they inform the business.
Authorization to access information and other computing services begins with administrative policies and procedures. Or, leadership may choose to mitigate the risk by selecting and implementing appropriate control measures to reduce the risk.
Within the need-to-know principle, network administrators grant the employee the least amount of privileges to prevent employees from accessing more than what they are supposed to.
In recent years these terms have found their way into the fields of computing and information security. The length and strength of the encryption key is also an important consideration. Public key infrastructure PKI solutions address many of the problems that surround key management.
Administrative controls form the framework for running the business and managing people. Calculate the impact that each threat would have on each asset.
Provide a proportional response. Ensure the controls provide the required cost effective protection without discernible loss of productivity. To be prepared for a security breach, security groups should have an incident response plan IRP in place.
Evaluate the effectiveness of the control measures. Conduct a vulnerability assessmentand for each vulnerability, calculate the probability that it will be exploited. The three types of controls can be used to form the basis upon which to build a defense in depth strategy.
The first step in information classification is to identify a member of senior management as the owner of the particular information to be classified. If the photo and name match the person, then the teller has authenticated that John Doe is who he claimed to be.The Information Security (INFOSEC) Program establishes policies, procedures, and requirements to protect classified and controlled unclassified information (CUI) that, if disclosed, could cause damage to national security.
Information Security refers to the processes and methodologies which are designed and implemented to protect print, electronic, or any other form of confidential, private and sensitive information or data from unauthorized access, use, misuse, disclosure, destruction, modification, or disruption.
The Office of Information Security has several functional areas including clinical support systems, facilities and environmental systems, medical devices, identity and access management, threat intelligence, incident response, and governance and risk compliance.Information Security jobs available on killarney10mile.com Apply to IT Security Specialist, Security Engineer, Information Security Analyst and more!
Keep up to date with the latest Information Security and IT Security News & Articles - Infosecurity Magazine. Information security (IS) is designed to protect the confidentiality, integrity and availability of computer system data from those with malicious intentions.
Confidentiality, integrity and availability are sometimes referred to as the CIA Triad of information security.Download