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ASD Essential 8: Multi-factor authentication

 

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ASD Essential 8: Multi-factor authentication

Multi-factor authentication (MFA) is an essential security control for organizations of all sizes, as it provides an additional layer of security beyond passwords alone. MFA requires users to provide two or more pieces of evidence (factors) to prove their identity. The most common factors are something you know (such as a password), something you have (such as a security key or token), and something you are (such as a biometric). The Australian Signals Directorate (ASD) recommends that organizations implement MFA for all privileged accounts, as well as for all sensitive resource access requests. This is part of the ASD’s Essential 8: Strategies to Mitigate Cyber Security Incidents. The Essential 8 is a set of eight security controls which are designed to protect against malicious cyber activity and data breaches. MFA is an effective way to protect against unauthorized access to sensitive information and systems. It adds an additional layer of protection beyond the use of passwords alone, which can be easily guessed or stolen. By requiring multiple factors, it makes it much harder for an attacker to gain access to an account. When implementing MFA, it is important to choose the right authentication factors. The most commonly used factors are something you know (such as a password), something you have (such as a security key or token), and something you are (such as a biometric). Organizations should also consider using other factors, such as location and time-based authentication. Organizations should also ensure that their MFA implementation is secure and up to date. This includes ensuring that all authentication factors are kept secure and that any changes to the authentication process are properly tested and implemented. Finally, organizations should consider using additional security controls to protect their systems and data. These can include using firewalls, encryption, access control lists, and intrusion detection systems. In conclusion, MFA is an essential security control which should be implemented by all organizations. It adds an additional layer of security beyond the use of passwords alone, and can help to protect against malicious cyber activity and data breaches. Organizations should ensure that their MFA implementation is secure and up to date, and should consider using additional security controls to further protect their systems and data. .



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