{"id":5540,"date":"2020-04-03T11:46:48","date_gmt":"2020-04-03T16:46:48","guid":{"rendered":"https:\/\/ndisac.org\/dibscc\/?p=5540"},"modified":"2025-01-29T13:25:11","modified_gmt":"2025-01-29T18:25:11","slug":"ia-l2-3-5-3","status":"publish","type":"post","link":"https:\/\/ndisac.org\/dibscc\/cyberassist\/cybersecurity-maturity-model-certification\/level-2\/ia-l2-3-5-3\/","title":{"rendered":"IA.L2-3.5.3 Multifactor Authentication"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;3.22&#8243;][et_pb_row _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.0.47&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; hover_enabled=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; text_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; text_text_shadow_vertical_length_tablet=&#8221;0px&#8221; text_text_shadow_blur_strength_tablet=&#8221;1px&#8221; link_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; link_text_shadow_vertical_length_tablet=&#8221;0px&#8221; link_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ul_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ul_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ul_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ol_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ol_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ol_text_shadow_blur_strength_tablet=&#8221;1px&#8221; quote_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; quote_text_shadow_vertical_length_tablet=&#8221;0px&#8221; quote_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_2_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_2_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_2_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_3_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_3_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_3_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_4_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_4_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_4_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_5_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_5_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_5_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_6_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_6_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_6_text_shadow_blur_strength_tablet=&#8221;1px&#8221; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>CMMC Requirement IA.L2-3.5.3 &#8211; Multifactor Authentication: Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts. <\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.3&#8243; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;20px|20px|20px|20px|false|false&#8221; z_index_tablet=&#8221;0&#8243; text_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; text_text_shadow_vertical_length_tablet=&#8221;0px&#8221; text_text_shadow_blur_strength_tablet=&#8221;1px&#8221; link_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; link_text_shadow_vertical_length_tablet=&#8221;0px&#8221; link_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ul_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ul_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ul_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ol_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ol_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ol_text_shadow_blur_strength_tablet=&#8221;1px&#8221; quote_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; quote_text_shadow_vertical_length_tablet=&#8221;0px&#8221; quote_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_2_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_2_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_2_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_3_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_3_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_3_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_4_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_4_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_4_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_5_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_5_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_5_text_shadow_blur_strength_tablet=&#8221;1px&#8221; header_6_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; header_6_text_shadow_vertical_length_tablet=&#8221;0px&#8221; header_6_text_shadow_blur_strength_tablet=&#8221;1px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#bcbcbc&#8221; box_shadow_style=&#8221;preset1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221;]Links to Publicly Available Resources<\/p>\n<p class=\"p1\"><span class=\"s1\"><!-- Beginning of Link Library Output --><div id='linklist1' class='linklist'><!-- Div Linklist -->\n<div class=\"LinkLibraryCat LinkLibraryCat379 level0\"><!-- Div Category -->\n\t<ul>\n<li><a href=\"https:\/\/docs.aws.amazon.com\/config\/latest\/developerguide\/operational-best-practices-for-cmmc_2.0_level_2.html\" id=\"link-16968\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Amazon Web Services &#8211; Operational Best Practices for CMMC 2.0 Level 2<\/a>\n<p>The following provides a sample mapping between the Cybersecurity Maturity Model Certification (CMMC) 2.0 Level 2 and AWS managed Config rules. Each Config rule applies to a specific AWS resource, and relates to one or more CMMC 2.0 Level 2 controls. A CMMC 2.0 Level 2 control can be related to multiple Config rules.<\/p><\/li>\n<li><a href=\"https:\/\/www.brighttalk.com\/webcast\/19773\/640779?q=multifactor\" id=\"link-2710\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">BrightTALK &#8211; Cybersecurity Roundtable: MFA Bypass and How to Defend Against It<\/a>\n<p>This video consists of a panel of cybersecurity experts discussing advanced MFA bypass techniques and examining how their clients have enhanced their cybersecurity posture to respond.<\/p><\/li>\n<li><a href=\"https:\/\/www.brighttalk.com\/webcast\/2037\/622501?utm_source=brighttalk-portal&#038;utm_medium=web&#038;utm_content=Multi-Factor%20Authentication&#038;utm_term=search-result-4&#038;utm_campaign=webcasts-search-results-feed\" id=\"link-14635\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">BrightTALK &#8211; FIDO Deployment Challenges &amp; Best Practices for FIDO Key Management<\/a>\n<p>Webinar presented by Thales and Verasec on challenges and best practices for deploying and managing FIDO (phishing-resistant MFA).<\/p><\/li>\n<li><a href=\"https:\/\/dodcio.defense.gov\/Portals\/0\/Documents\/CMMC\/AssessmentGuideL2v2.pdf\" id=\"link-9989\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">CMMC Level 2 Assessment Guide<\/a>\n<p>This document provides assessment guidance for conducting Cybersecurity Maturity Model Certification (CMMC) assessments for Level 2.<\/p><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\/MFA\" id=\"link-14638\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Cybersecurity and Infrastructure Security Agency &#8211; More than a password<\/a>\n<p>CISA's guide for getting started with MFA in your business and personal life.<\/p><\/li>\n<li><a href=\"https:\/\/cybersheath.com\/resources\/blog\/how-multi-factor-authentication-protects-your-business\/\" id=\"link-2738\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">CyberSheath- How Multi-Factor Authentication Protects Your Business<\/a>\n<p>This article highlights MFA and the necessity to implement to all privileged account access and users who access network resources.<\/p><\/li>\n<li><a href=\"https:\/\/help.duo.com\/s\/article\/7769?language=en_US\" id=\"link-14644\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Duo &#8211; Best practices for securing a Duo MFA enrollment Rollout<\/a>\n<p>This guide aims to aid existing and new Duo customers in securing their MFA rollout at their respective organizations.<\/p><\/li>\n<li><a href=\"https:\/\/duo.com\/resources\/ebooks\/two-factor-authentication-evaluation-guide\" id=\"link-2716\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Duo &#8211; Two-Factor Authentication Evaluation Guide<\/a>\n<p>Learn what to look for when assessing and comparing two-factor authentication solutions.<\/p><\/li>\n<li><a href=\"https:\/\/duo.com\/product\/multi-factor-authentication-mfa\" id=\"link-2726\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Duo Multi-Factor Authentication<\/a>\n<p>Duo's wide variety of authentication methods make it easy for every user to securely and quickly log in.<\/p><\/li>\n<li><a href=\"https:\/\/www.gartner.com\/reviews\/market\/user-authentication\" id=\"link-14650\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Gartner &#8211; User Authentication Product Reviews and Ratings<\/a>\n<p>Gartner's user authentication product reviews and ratings<\/p><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/identity\/ad-fs\/operations\/configure-additional-authentication-methods-for-ad-fs\" id=\"link-14642\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Microsoft &#8211; Authentication Methods for AD FS<\/a>\n<p>Guide to enable Multi-factor autheitication for Active Directory Federation Services (AD FS) in Windows Server. Also provide guides for use of common Third-party authentication methods (i.e., Duo, Akamai, RSA, etc.,)<\/p><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/en-us\/microsoft-365\/admin\/security-and-compliance\/set-up-multi-factor-authentication?view=o365-worldwide\" id=\"link-14640\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Microsoft &#8211; Set up Multi-Factor Authentication for M365<\/a>\n<p>Guide for enforcing MFA for Microsoft 365<\/p><\/li>\n<li><a href=\"https:\/\/csrc.nist.gov\/projects\/cprt\/catalog#\/cprt\/framework\/version\/SP_800_53_5_1_0\/home?element=IA-2\" id=\"link-3220\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">NIST SP 800-53: IA-2 Identification and Authentication (Organization Users)<\/a>\n<p>Control objectives for the implementation of multi-factor authentication from NIST SP 800-53.<\/p><\/li>\n<li><a href=\"https:\/\/nordlayer.com\/blog\/mfa-for-remote-access\/\" id=\"link-2736\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">NordLayer &#8211; The importance of multi-factor authentication for remote access<\/a>\n<p>This blog post describes why multifactor authentication (MFA) is important for remote access.<\/p><\/li>\n<li><a href=\"https:\/\/www.rcdevs.com\/products\/openotp\/\" id=\"link-14648\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">RCDevs<\/a>\n<p>OpenOTP is a phishing-resistant MFA solution.<\/p><\/li>\n<li><a href=\"https:\/\/www.rsa.com\/products\/securid\/\" id=\"link-2722\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">RSA SecurID Access<\/a>\n<p>Secure access to your extended enterprise with RSA SecurID Access, the leading multi-factor authentication and identity assurance solution.<\/p><\/li>\n<li><a href=\"https:\/\/www.sans.org\/white-papers\/33093\" id=\"link-2706\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">SANS Whitepaper &#8211; Two-Factor Authentication: Can You Choose the Right One?<\/a>\n<p>This SANS whitepaper focuses on enterprise solutions for two-factor authentication.<\/p><\/li>\n<li><a href=\"https:\/\/www.schneier.com\/blog\/archives\/2005\/04\/more_on_twofact.html\" id=\"link-2714\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Schneier on Security &#8211; More on Two-Factor Authentication<\/a>\n<p>More on Two-Factor Authentication and it's ineffectivenss defense against identity theft.<\/p><\/li>\n<li><a href=\"https:\/\/pamms.dhs.ga.gov\/oit\/1916-system-maintenance-policy\/\" id=\"link-6536\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">State of Georgia &#8211; System Maintenance Policy<\/a>\n<p>This example policy from the State of Georgia provides a starting point for system maintenance.<\/p><\/li>\n<li><a href=\"https:\/\/www.yumpu.com\/en\/document\/read\/45916565\/symantec-white-paper-two-factor-authentication-tc-trustcenter\" id=\"link-2718\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Symantec Whitepaper &#8211; Two-Factor Authentication<\/a>\n<p>This whitepaper is directed at IT, Security, and Compliance workers who are responsible for recommending or evaluating security products; or running and managing two-factor authentication infrastructure.<\/p><\/li>\n<li><a href=\"https:\/\/cpl.thalesgroup.com\/\" id=\"link-2720\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Thales<\/a>\n<p>Gemalto's identity and access management (IAM) solutions allow organizations to meet the evolving needs around cloud applications and mobile devices.<\/p><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=vNXimCsNXEU\" id=\"link-12434\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">YouTube &#8211; NIST SP 800-171 Control 3.5.3 Use multifactor authentication for access to privileged accounts<\/a>\n<p>In this edition of the On Call Compliance Solutions Compliance Tip of the Week, we discuss how Multifactor authentication requires the use of two or more different factors to authenticate. The factors are defined as something you know (e.g., password, personal identification number [PIN]); something you have (e.g., cryptographic identification device, token); or something you are (e.g., biometric). Let\u2019s talk about NIST 800-171 Control 3.5.3 Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts.<\/p><\/li>\n<li><a href=\"https:\/\/www.yubico.com\/\" id=\"link-14646\" class=\"track_this_link \" rel=\"noopener noreferrer\" target=\"_blank\">Yubico<\/a>\n<p>Yubikey is a phishing-resistant MFA that stops modern cyber-attacks.<\/p><\/li>\n\t<\/ul>\n<\/div><!-- Div End Category -->\n<script type='text\/javascript'>\njQuery(document).ready(function()\n{\njQuery('.arrow-up').hide();\njQuery('#linklist1 a.track_this_link').click(function() {\nlinkid = this.id;\nlinkid = linkid.substring(5);\npath = '';\njQuery.ajax( {    type: 'POST',    url: 'https:\/\/ndisac.org\/dibscc\/wp-admin\/admin-ajax.php',     data: { action: 'link_library_tracker',             _ajax_nonce: '89940d9abd',             id:linkid, xpath:path }     });\nreturn true;\n});\njQuery('#linklist1 .expandlinks').click(function() {\ntarget = '.' + jQuery(this).attr('id');\nsubcattarget = '.' + jQuery(this).attr('data-subcat');\nif ( jQuery( target ).is(':visible') ) {\njQuery(target).slideUp();\njQuery(subcattarget).slideToggle();\njQuery(this).children('img').attr('src', 'https:\/\/ndisac.org\/dibscc\/wp-content\/plugins\/link-library\/icons\/expand-32.png');\n} else {\njQuery(target).slideDown();\njQuery(subcattarget).slideToggle();\njQuery(this).children('img').attr('src', 'https:\/\/ndisac.org\/dibscc\/wp-content\/plugins\/link-library\/icons\/collapse-32.png');\n}\n});\njQuery('#linklist1 .linklistcatclass').click(function() {\njQuery(this).siblings('.expandlinks').click();\n});\njQuery('#linklist1 .linklistcatnamedesc').click(function() {\njQuery(this).siblings('.expandlinks').click();\n});\n});\n<\/script>\n<\/div><!-- Div Linklist -->\n<!-- End of Link Library Output -->\n\n<\/span><\/p>\n<p>[\/et_pb_text][et_pb_divider _builder_version=&#8221;4.2.2&#8243; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221;][\/et_pb_divider][et_pb_testimonial quote_icon=&#8221;off&#8221; _builder_version=&#8221;4.9.2&#8243; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; hover_enabled=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; author_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; author_text_shadow_vertical_length_tablet=&#8221;0px&#8221; author_text_shadow_blur_strength_tablet=&#8221;1px&#8221; position_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; position_text_shadow_vertical_length_tablet=&#8221;0px&#8221; position_text_shadow_blur_strength_tablet=&#8221;1px&#8221; company_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; company_text_shadow_vertical_length_tablet=&#8221;0px&#8221; company_text_shadow_blur_strength_tablet=&#8221;1px&#8221; body_link_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; body_link_text_shadow_vertical_length_tablet=&#8221;0px&#8221; body_link_text_shadow_blur_strength_tablet=&#8221;1px&#8221; body_ul_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; body_ul_text_shadow_vertical_length_tablet=&#8221;0px&#8221; body_ul_text_shadow_blur_strength_tablet=&#8221;1px&#8221; body_ol_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; body_ol_text_shadow_vertical_length_tablet=&#8221;0px&#8221; body_ol_text_shadow_blur_strength_tablet=&#8221;1px&#8221; body_quote_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; body_quote_text_shadow_vertical_length_tablet=&#8221;0px&#8221; body_quote_text_shadow_blur_strength_tablet=&#8221;1px&#8221; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; box_shadow_horizontal_image_tablet=&#8221;0px&#8221; box_shadow_vertical_image_tablet=&#8221;0px&#8221; box_shadow_blur_image_tablet=&#8221;40px&#8221; box_shadow_spread_image_tablet=&#8221;0px&#8221; text_shadow_horizontal_length_tablet=&#8221;0px&#8221; text_shadow_vertical_length_tablet=&#8221;0px&#8221; text_shadow_blur_strength_tablet=&#8221;1px&#8221; sticky_enabled=&#8221;0&#8243;]Discussion [NIST SP 800-171 R2]<br \/>\nMultifactor authentication requires the use of two or more different factors to authenticate.<br \/>\nThe factors are defined as something you know (e.g., password, personal identification number [PIN]); something you have (e.g., cryptographic identification device, token); or something you are (e.g., biometric). Multifactor authentication solutions that feature physical authenticators include hardware authenticators providing time-based or challenge response authenticators and smart cards. In addition to authenticating users at the system level (i.e., at logon), organizations may also employ authentication mechanisms at the application level, when necessary, to provide increased information security. Access to organizational systems is defined as local access or network access. Local access is any access to organizational systems by users (or processes acting on behalf of users) where such access is obtained by direct connections without the use of networks. Network access is access to systems by users (or processes acting on behalf of users) where such access is obtained through network connections (i.e., nonlocal accesses). Remote access is a type of network access that involves communication through external networks. The use of encrypted virtual private networks for connections between organization-controlled and non-organization controlled endpoints may be treated as internal networks with regard to protecting the confidentiality of information.<br \/>\nNIST SP 800-63-3 provides guidance on digital identities.<\/p>\n<p>Further Discussion<br \/>\nImplement a combination of two or more factors of authentication to verify privileged account holders\u2019 identity regardless of how the user is accessing the account. Implement a combination of two or more factors for non-privileged users accessing the system over a network.<br \/>\nThe implementation of multi-factor authentication will depend on the environment and business needs. Although two-factor authentication directly on the computer is most common, there are situations (e.g., multi-factor identification for a mission system that cannot be altered) where additional technical or physical solutions can provide security. If a mobile device is used to access a system or application containing CUI, multi-factor authentication is required.<br \/>\nThis requirement, IA.L2-3.5.3, requires multifactor authentication for network access to non-privileged accounts and complements five other requirements dealing with remote access (AC.L2-3.1.12, AC.L2-3.1.14, AC.L2-3.1.13, AC.L2-3.1.15, and MA.L2-3.7.5: <\/p>\n<ul>\n<li>AC.L2-3.1.12 requires the control of remote access sessions.<\/li>\n<li>AC.L2-3.1.14 limits remote access to specific access control points.<\/li>\n<li>AC.L2-3.1.13 requires the use of cryptographic mechanisms when enabling remote sessions.<\/li>\n<li>AC.L2-3.1.15 requires authorization for privileged commands executed during a remote.<\/li>\n<li>Finally, MA.L2-3.7.5 requires the addition of multifactor authentication for remote maintenance sessions.<\/li>\n<\/ul>\n<p>This requirement, IA.L2-3.5.3, also enhances IA.L2-3.5.2, which is a requirement for a less rigorous form of user authentication.[\/et_pb_testimonial][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;3.22&#8243;][et_pb_row _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.0.47&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; hover_enabled=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; text_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; text_text_shadow_vertical_length_tablet=&#8221;0px&#8221; text_text_shadow_blur_strength_tablet=&#8221;1px&#8221; link_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; link_text_shadow_vertical_length_tablet=&#8221;0px&#8221; link_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ul_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ul_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ul_text_shadow_blur_strength_tablet=&#8221;1px&#8221; ol_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; ol_text_shadow_vertical_length_tablet=&#8221;0px&#8221; ol_text_shadow_blur_strength_tablet=&#8221;1px&#8221; quote_text_shadow_horizontal_length_tablet=&#8221;0px&#8221; quote_text_shadow_vertical_length_tablet=&#8221;0px&#8221; [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"[et_pb_section bb_built=\"1\"][et_pb_row][et_pb_column type=\"4_4\"][et_pb_text _builder_version=\"4.2.2\" text_text_shadow_horizontal_length=\"text_text_shadow_style,%91object Object%93\" 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Playbook<\/a>\r\n\r\n[\/et_pb_text][et_pb_divider _builder_version=\"4.2.2\" box_shadow_horizontal_tablet=\"0px\" box_shadow_vertical_tablet=\"0px\" box_shadow_blur_tablet=\"40px\" box_shadow_spread_tablet=\"0px\" vertical_offset_tablet=\"0\" horizontal_offset_tablet=\"0\" z_index_tablet=\"0\" \/][et_pb_testimonial _builder_version=\"4.2.2\" quote_icon_background_color=\"#f5f5f5\" box_shadow_horizontal_image_tablet=\"0px\" box_shadow_vertical_image_tablet=\"0px\" box_shadow_blur_image_tablet=\"40px\" box_shadow_spread_image_tablet=\"0px\" text_shadow_horizontal_length=\"text_shadow_style,%91object Object%93\" text_shadow_horizontal_length_tablet=\"0px\" text_shadow_vertical_length=\"text_shadow_style,%91object Object%93\" text_shadow_vertical_length_tablet=\"0px\" text_shadow_blur_strength=\"text_shadow_style,%91object Object%93\" text_shadow_blur_strength_tablet=\"1px\" body_link_text_shadow_horizontal_length=\"body_link_text_shadow_style,%91object Object%93\" 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box_shadow_spread_tablet=\"0px\" vertical_offset_tablet=\"0\" horizontal_offset_tablet=\"0\" z_index_tablet=\"0\" quote_icon=\"off\"]\r\n\r\nCMMC CLARIFICATION\r\nEvery   system   has   legal   information   about   user   privacy   and   security. A system-use notification banner displays the legal requirements of using the systems.  Users are required to click to agree to the displayed requirements of using the system each time they logon to the machine.  You can use this implicit agreement in the civil and\/or criminal prosecution of an attacker that violates the terms.\r\nDiscuss  legal  notification  requirements  with  your  organization\u2019s  legal  counsel.    This  will  ensure that they meet all applicable requirements.  You should inform the user that:\r\n\u2022 you may monitor, record, and subject to audit any information system usage;\r\n\u2022 you prohibit unauthorized use of the information system;\r\n\u2022 you may subject unauthorized use to criminal and civil penalties; and\r\n\u2022 use of the information system indicates consent to monitoring and recording.\r\n\r\n[\/et_pb_testimonial][\/et_pb_column][\/et_pb_row][\/et_pb_section]","_et_gb_content_width":"","footnotes":""},"categories":[330],"tags":[],"class_list":["post-5540","post","type-post","status-publish","format-standard","hentry","category-level-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IA.L2-3.5.3 Multifactor Authentication - DIB SCC CyberAssist<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ndisac.org\/dibscc\/cyberassist\/cybersecurity-maturity-model-certification\/level-2\/ia-l2-3-5-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IA.L2-3.5.3 Multifactor Authentication - DIB SCC CyberAssist\" \/>\n<meta property=\"og:description\" content=\"[et_pb_section fb_built=&#8221;1&#8243; 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