Multi-factor Authentication
Techniques Addressed by Mitigation |
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Domain | ID | Name | Use | |
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Enterprise | T1098 | Account Manipulation |
Use multi-factor authentication for user and privileged accounts. |
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T1098.001 | Additional Cloud Credentials |
Use multi-factor authentication for user and privileged accounts. Consider enforcing multi-factor authentication for the |
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T1098.002 | Additional Email Delegate Permissions |
Use multi-factor authentication for user and privileged accounts. |
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T1098.003 | Additional Cloud Roles |
Use multi-factor authentication for user and privileged accounts. |
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T1098.005 | Device Registration |
Require multi-factor authentication to register devices in Entra ID.(Citation: Microsoft - Device Registration) Configure multi-factor authentication systems to disallow enrolling new devices for inactive accounts.(Citation: CISA MFA PrintNightmare) When first enrolling MFA, use conditional access policies to restrict device enrollment to trusted locations or devices, and consider using temporary access passes as an initial MFA solution to enroll a device.(Citation: Mandiant APT29 Microsoft 365 2022) |
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T1098.006 | Additional Container Cluster Roles |
Require multi-factor authentication for user accounts integrated into container clusters through cloud deployments or via authentication protocols such as LDAP or SAML. |
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Enterprise | T1110 | Brute Force |
Use multi-factor authentication. Where possible, also enable multi-factor authentication on externally facing services. |
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T1110.001 | Password Guessing |
Use multi-factor authentication. Where possible, also enable multi-factor authentication on externally facing services. |
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T1110.002 | Password Cracking |
Use multi-factor authentication. Where possible, also enable multi-factor authentication on externally facing services. |
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T1110.003 | Password Spraying |
Use multi-factor authentication. Where possible, also enable multi-factor authentication on externally facing services. |
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T1110.004 | Credential Stuffing |
Use multi-factor authentication. Where possible, also enable multi-factor authentication on externally facing services. |
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Enterprise | T1136 | Create Account |
Use multi-factor authentication for user and privileged accounts. |
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T1136.001 | Local Account |
Use multi-factor authentication for user and privileged accounts. |
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T1136.002 | Domain Account |
Use multi-factor authentication for user and privileged accounts. |
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T1136.003 | Cloud Account |
Use multi-factor authentication for user and privileged accounts. |
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Enterprise | T1485 | Data Destruction |
Implement multi-factor authentication (MFA) delete for cloud storage resources, such as AWS S3 buckets, to prevent unauthorized deletion of critical data and infrastructure. MFA delete requires additional authentication steps, making it significantly more difficult for adversaries to destroy data without proper credentials. This additional security layer helps protect against the impact of data destruction in cloud environments by ensuring that only authenticated actions can irreversibly delete storage or machine images. |
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Enterprise | T1530 | Data from Cloud Storage |
Consider using multi-factor authentication to restrict access to resources and cloud storage APIs.(Citation: Amazon S3 Security, 2019) |
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Enterprise | T1213 | Data from Information Repositories |
Use two or more pieces of evidence to authenticate to a system; such as username and password in addition to a token from a physical smart card or token generator. |
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T1213.003 | Code Repositories |
Use multi-factor authentication for logons to code repositories. |
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Enterprise | T1114 | Email Collection |
Use of multi-factor authentication for public-facing webmail servers is a recommended best practice to minimize the usefulness of usernames and passwords to adversaries. |
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T1114.002 | Remote Email Collection |
Use of multi-factor authentication for public-facing webmail servers is a recommended best practice to minimize the usefulness of usernames and passwords to adversaries. |
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Enterprise | T1133 | External Remote Services |
Use strong two-factor or multi-factor authentication for remote service accounts to mitigate an adversary's ability to leverage stolen credentials, but be aware of Multi-Factor Authentication Interception techniques for some two-factor authentication implementations. |
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Enterprise | T1556 | Modify Authentication Process |
Integrating multi-factor authentication (MFA) as part of organizational policy can greatly reduce the risk of an adversary gaining control of valid credentials that may be used for additional tactics such as initial access, lateral movement, and collecting information. MFA can also be used to restrict access to cloud resources and APIs. |
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T1556.001 | Domain Controller Authentication |
Integrating multi-factor authentication (MFA) as part of organizational policy can greatly reduce the risk of an adversary gaining control of valid credentials that may be used for additional tactics such as initial access, lateral movement, and collecting information. MFA can also be used to restrict access to cloud resources and APIs. |
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T1556.003 | Pluggable Authentication Modules |
Integrating multi-factor authentication (MFA) as part of organizational policy can greatly reduce the risk of an adversary gaining control of valid credentials that may be used for additional tactics such as initial access, lateral movement, and collecting information. |
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T1556.004 | Network Device Authentication |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control. (Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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T1556.006 | Multi-Factor Authentication |
Ensure that MFA and MFA policies and requirements are properly implemented for existing and deactivated or dormant accounts and devices. If possible, consider configuring MFA solutions to "fail closed" rather than grant access in case of serious errors. |
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T1556.007 | Hybrid Identity |
Integrating multi-factor authentication (MFA) as part of organizational policy can greatly reduce the risk of an adversary gaining control of valid credentials that may be used for additional tactics such as initial access, lateral movement, and collecting information. MFA can also be used to restrict access to cloud resources and APIs. |
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Enterprise | T1601 | Modify System Image |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control.(Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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T1601.001 | Patch System Image |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control.(Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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T1601.002 | Downgrade System Image |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control.(Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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Enterprise | T1621 | Multi-Factor Authentication Request Generation |
Implement more secure 2FA/MFA mechanisms in replacement of simple push or one-click 2FA/MFA options. For example, having users enter a one-time code provided by the login screen into the 2FA/MFA application or utilizing other out-of-band 2FA/MFA mechanisms (such as rotating code-based hardware tokens providing rotating codes that need an accompanying user pin) may be more secure. Furthermore, change default configurations and implement limits upon the maximum number of 2FA/MFA request prompts that can be sent to users in period of time.(Citation: MFA Fatigue Attacks - PortSwigger) |
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Enterprise | T1599 | Network Boundary Bridging |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control.(Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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T1599.001 | Network Address Translation Traversal |
Use multi-factor authentication for user and privileged accounts. Most embedded network devices support TACACS+ and/or RADIUS. Follow vendor prescribed best practices for hardening access control. (Citation: Cisco IOS Software Integrity Assurance - TACACS) |
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Enterprise | T1040 | Network Sniffing |
Use multi-factor authentication wherever possible. |
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Enterprise | T1021 | Remote Services |
Use multi-factor authentication on remote service logons where possible. |
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T1021.001 | Remote Desktop Protocol |
Use multi-factor authentication for remote logins.(Citation: Berkley Secure) |
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T1021.004 | SSH |
Require multi-factor authentication for SSH connections wherever possible, such as password protected SSH keys. |
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T1021.007 | Cloud Services |
Use multi-factor authentication on cloud services whenever possible. |
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Enterprise | T1072 | Software Deployment Tools |
Ensure proper system and access isolation for critical network systems through use of multi-factor authentication. |
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Enterprise | T1539 | Steal Web Session Cookie |
A physical second factor key that uses the target login domain as part of the negotiation protocol will prevent session cookie theft through proxy methods.(Citation: Evilginx 2 July 2018) Implement Conditional Access policies with Token Protection to bind session tokens to their originating device and user. This reduces the risk of session cookie theft by ensuring that stolen tokens cannot be reused from unauthorized locations or devices. |
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Enterprise | T1199 | Trusted Relationship |
Require MFA for all delegated administrator accounts.(Citation: Microsoft Nobelium Admin Privileges) |
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Enterprise | T1078 | Valid Accounts |
Implement multi-factor authentication (MFA) across all account types, including default, local, domain, and cloud accounts, to prevent unauthorized access, even if credentials are compromised. MFA provides a critical layer of security by requiring multiple forms of verification beyond just a password. This measure significantly reduces the risk of adversaries abusing valid accounts to gain initial access, escalate privileges, maintain persistence, or evade defenses within your network. |
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T1078.001 | Default Accounts |
Implement multi-factor authentication (MFA) for default accounts whenever possible to prevent unauthorized access, even if credentials for these accounts are compromised. MFA adds an additional layer of security that requires more than just a username and password, making it significantly harder for adversaries to exploit these accounts for initial access or lateral movement. |
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T1078.002 | Domain Accounts |
Integrating multi-factor authentication (MFA) as part of organizational policy can greatly reduce the risk of an adversary gaining control of valid credentials that may be used for additional tactics such as initial access, lateral movement, and collecting information. MFA can also be used to restrict access to cloud resources and APIs. |
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T1078.003 | Local Accounts |
Enable multi-factor authentication (MFA) for local accounts to add an extra layer of protection against credential theft and misuse. MFA can be implemented using methods like mobile-based authenticators or hardware tokens, even in environments that do not rely on domain controllers or cloud services. This additional security measure can help reduce the risk of adversaries gaining unauthorized access to local systems and resources. |
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T1078.004 | Cloud Accounts |
Use multi-factor authentication for cloud accounts, especially privileged accounts. This can be implemented in a variety of forms (e.g. hardware, virtual, SMS), and can also be audited using administrative reporting features.(Citation: AWS - IAM Console Best Practices) |
References
- A. Randazzo, B. Manahan and S. Lipton. (2020, April 28). Finding Evil in AWS. Retrieved June 25, 2020.
- Cisco. (n.d.). Cisco IOS Software Integrity Assurance - TACACS. Retrieved October 19, 2020.
- Jessica Haworth. (2022, February 16). MFA fatigue attacks: Users tricked into allowing device access due to overload of push notifications. Retrieved March 31, 2022.
- Cybersecurity and Infrastructure Security Agency. (2022, March 15). Russian State-Sponsored Cyber Actors Gain Network Access by Exploiting Default Multifactor Authentication Protocols and “PrintNightmare” Vulnerability. Retrieved March 16, 2022.
- Douglas Bienstock. (2022, August 18). You Can’t Audit Me: APT29 Continues Targeting Microsoft 365. Retrieved February 23, 2023.
- Microsoft 365 Defender Threat Intelligence Team. (2022, January 26). Evolved phishing: Device registration trick adds to phishers’ toolbox for victims without MFA. Retrieved March 4, 2022.
- Moncur, Rob. (2020, July 5). New Information in the AWS IAM Console Helps You Follow IAM Best Practices. Retrieved August 4, 2020.
- Gretzky, K.. (2018, July 26). Evilginx 2 - Next Generation of Phishing 2FA Tokens. Retrieved October 14, 2019.
- Microsoft Threat Intelligence Center. (2021, October 25). NOBELIUM targeting delegated administrative privileges to facilitate broader attacks. Retrieved January 31, 2022.
- Berkeley Security, University of California. (n.d.). Securing Remote Desktop for System Administrators. Retrieved November 4, 2014.
- Amazon. (2019, May 17). How can I secure the files in my Amazon S3 bucket?. Retrieved October 4, 2019.
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