AWS Security Blog
Supporting ASD’s multi-factor authentication campaign: Why MFA matters more than ever
The Australian Signals Directorate (ASD) has this month issued a clear call to action through its Multi-factor authentication: Switch it on campaign, urging businesses, organisations, and individuals to enable multi-factor authentication (MFA) across their online accounts. At AWS, we strongly support this message.
As threat actors continue to target credentials through phishing, credential stuffing, and social engineering, passwords alone are no longer enough. MFA is one of the most effective security controls available. It’s a cornerstone of ASD’s Essential Eight maturity model and a recognized component of major cybersecurity frameworks worldwide. ASD’s campaign reinforces what the security community has long advocated: switching on MFA is one of the simplest and most impactful steps any organization or individual can take to protect themselves online, and we encourage all to heed ASD’s call.
How AWS enforces MFA across every account type
At AWS, we’ve put this principle into practice at scale. In June 2025, AWS Identity and Access Management (IAM) achieved comprehensive MFA enforcement for root users across all account types, a significant milestone and the first of its kind among major cloud providers. This was the culmination of a deliberate, phased security journey: beginning with requiring MFA for AWS Organizations management account root users in May 2024, expanding to standalone account root users in June 2024, introducing centralized root access management in November 2024, and completing enforcement across all account types including member accounts. MFA prevents over 99 percent of password-related attacks and is available to all AWS customers at no additional cost, with support for FIDO2 passkeys and FIDO-certified security keys for phishing-resistant authentication. This milestone reflects our ongoing commitment to secure-by-design principles, setting a high bar for our customers’ default security posture and demonstrating that organizations of any scale can, and should, make MFA the standard rather than the exception.
Extending MFA beyond your AWS environment
A compromised email account can be used to reset AWS passwords. A breached source control system can expose infrastructure-as-code secrets. Enable MFA on your email, collaboration tools, source control, and other services that support it. Visit the ASD Multi-factor authentication campaign page for broader guidance.
Getting started with MFA on AWS
AWS enforces MFA automatically for root users. To extend that same protection to your IAM users—the identities your team members and applications use daily—you can configure MFA individually through the AWS Management Console for IAM. To learn more, see Security best practices in IAM. For phishing-resistant authentication with FIDO2 passkeys, see Passkeys and security keys in IAM.
If you have questions or feedback about MFA on AWS, leave a comment below or reach out on AWS re:Post. If you haven’t already, heed ASD’s call and switch on MFA across every account you own.
This post was written in support of ASD’s Multi-factor authentication: Switch it on campaign. For more AWS security content, visit the AWS Security Blog.
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