{"id":339109,"date":"2026-08-22T03:29:32","date_gmt":"2026-08-21T18:29:32","guid":{"rendered":"https:\/\/dei.so\/?page_id=339109"},"modified":"2026-08-22T03:31:15","modified_gmt":"2026-08-21T18:31:15","slug":"data-governance","status":"publish","type":"page","link":"https:\/\/dei.so\/ko\/data-governance\/","title":{"rendered":"\ub370\uc774\ud130 \uac70\ubc84\ub10c\uc2a4 \ubc0f \ubcf4\uc548 | \uace0\uac1d \ub370\uc774\ud130 \ucc98\ub9ac"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"339109\" class=\"elementor elementor-339109\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22abada e-con e-atomic-element e-flexbox-base e-default-div e-21dcc46\" data-id=\"22abada\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"22abada\">\n    \t\t<div class=\"elementor-element elementor-element-d948bf7 elementor-widget elementor-widget-html\" data-id=\"d948bf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-datagov-block\">\r\n<style>\r\n.deiso-datagov-block * { box-sizing: border-box; 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}\r\n.deiso-datagov-block .dg-card .dg-body h3 { font-size: 17px !important; }\r\n.deiso-datagov-block .dg-card .dg-body .dg-lead { font-size: 15.8px !important; }\r\n.deiso-datagov-block .dg-card .dg-body .dg-main p, .deiso-datagov-block ul.page-list li { font-size: 15.8px !important; }\r\n.deiso-datagov-block .dg-card .dg-body .dg-panel p, .deiso-datagov-block .dg-card .dg-body .dg-note p { font-size: 15.8px !important; }\r\n.deiso-datagov-block ul.page-list li { padding-left: 22px !important; }\r\n.deiso-datagov-block ul.page-list li::before { width: 7px; height: 7px; top: 15px; }\r\n.deiso-datagov-block .dg-sec { padding: 24px 0; }\r\n.deiso-datagov-block .dg-panel { padding: 16px 16px 16px 18px !important; }\r\n.deiso-datagov-block .dg-note { padding: 16px 16px 16px 18px !important; border-radius: 14px; }\r\n.deiso-datagov-block .dg-nav { padding: 20px 18px !important; border-radius: 14px; }\r\n.deiso-datagov-block a.dg-btn { padding: 13px 20px !important; }\r\n}\r\n@media (prefers-reduced-motion: reduce) {\r\n.deiso-datagov-block * { transition: none !important; }\r\n}\r\n<\/style>\r\n\r\n<div class=\"dg-outer\">\r\n<div class=\"dg-card\">\r\n<span class=\"dg-strap\" aria-hidden=\"true\"><\/span>\r\n\r\n<div class=\"dg-body\">\r\n\r\n<div class=\"dg-main\">\r\n<span class=\"dg-eyebrow\">\uc815\ucc45<\/span>\r\n<h1>Data governance and security<\/h1>\r\n<p class=\"dg-lead\">How DEISO handles client data during an engagement &mdash; where it sits, who can reach it, how AI is used, how long it is kept, and what happens if something goes wrong.<\/p>\r\n\r\n<div class=\"dg-note\" style=\"margin-top:20px;\">\r\n<span class=\"dg-note-label\">What this page is<\/span>\r\n<p>This page states DEISO&rsquo;s working practice in plain terms so that a technical or procurement reviewer can assess it before an engagement begins. It is not a certification, and DEISO does not claim one.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-scope\">\r\n<h2>\uac80\ud1a0 \ubc94\uc704<\/h2>\r\n<p>This page covers client data: the files, figures, drawings, invoices, supplier information, emission factors, cost records and correspondence a client shares with DEISO in order for work to be carried out.<\/p>\r\n<p>Personal data collected through the website &mdash; enquiry forms, subscriptions, analytics &mdash; is covered separately in our <a href=\"https:\/\/dei.so\/ko\/privacy-policy\/\">privacy policy<\/a>.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-principles\">\r\n<h2>Principles<\/h2>\r\n<p>Four principles govern how DEISO handles client material.<\/p>\r\n<ul class=\"page-list\">\r\n<li><span class=\"li-key\">Minimum necessary<\/span> &mdash; DEISO asks for the data the work requires, and no more<\/li>\r\n<li><span class=\"li-key\">Named purpose<\/span> &mdash; client data is used only for the engagement it was provided for<\/li>\r\n<li><span class=\"li-key\">Traceable<\/span> &mdash; figures used in a deliverable are traced to their source, owner and date<\/li>\r\n<li><span class=\"li-key\">Returned or removed<\/span> &mdash; client data does not accumulate indefinitely after an engagement closes<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-storage\">\r\n<h2>Where client data is held<\/h2>\r\n<p>DEISO is based in Japan and client work is carried out from Japan. Client files are held in access-controlled business cloud storage and on DEISO working machines, and are transferred over encrypted connections.<\/p>\r\n<p>Where a client requires that data be exchanged through the client&rsquo;s own system &mdash; a secure portal, a controlled workspace, or a nominated transfer service &mdash; DEISO will work within that system instead.<\/p>\r\n<div class=\"dg-panel\">\r\n<p>DEISO does not publish client data, does not sell it, and does not share it with any party outside the engagement without the client&rsquo;s written agreement.<\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-access\">\r\n<h2>Who has access<\/h2>\r\n<p>Access to client data is limited to the DEISO personnel assigned to the engagement. Where a specialist is brought in for a defined part of the work, that specialist is bound by the same confidentiality terms and is given access only to the material that part of the work requires.<\/p>\r\n<p>DEISO working accounts are protected by two-factor authentication, and working machines are protected by full-disk encryption and screen lock.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-confidentiality\">\r\n<h2>Confidentiality<\/h2>\r\n<p>Confidentiality applies to every engagement by default, whether or not a separate agreement is signed. DEISO signs client non-disclosure agreements on request, and confidentiality terms are set out in the engagement agreement for each project.<\/p>\r\n<p>DEISO does not name a client, describe a project, or use project material in marketing, case studies or training without that client&rsquo;s written permission. Where permission is given, the scope of what may be shown is agreed in advance.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-ai\">\r\n<h2>Use of AI in delivery<\/h2>\r\n<p>DEISO is AI-supported. AI tools are used to accelerate structuring, drafting, checking and analysis. They do not replace the technical judgement in a deliverable.<\/p>\r\n<ul class=\"page-list\">\r\n<li><span class=\"li-key\">Human technical review<\/span> &mdash; every figure, method and conclusion in a deliverable is reviewed by a DEISO technical practitioner before it leaves<\/li>\r\n<li><span class=\"li-key\">No confidential input to public tools<\/span> &mdash; client-identifying material and confidential figures are not submitted to public or consumer AI services<\/li>\r\n<li><span class=\"li-key\">No model training<\/span> &mdash; client data is not used to train third-party AI models, and DEISO does not grant any provider the right to do so<\/li>\r\n<li><span class=\"li-key\">Stated on request<\/span> &mdash; where a client asks, DEISO will state which parts of a workflow used AI support<\/li>\r\n<\/ul>\r\n<div class=\"dg-panel\">\r\n<p>If a client requires that no AI tooling is used on their engagement, DEISO will work to that condition and confirm it in the engagement agreement.<\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-processors\">\r\n<h2>Tools and third parties<\/h2>\r\n<p>Delivery involves ordinary business software: cloud file storage, email, office and spreadsheet applications, life cycle assessment and costing software, and the DEISO website and forms. Each of these is a commercial service operating under its own terms, and each processes only what the work passes through it.<\/p>\r\n<p>Where a client requires a list of the specific services that would touch their material, DEISO will provide it before the engagement begins.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-retention\">\r\n<h2>Retention and deletion<\/h2>\r\n<p>Client data is kept for the duration of the engagement and for a period afterwards, so that results can be defended in review, questions answered, and the study updated in the next cycle without rebuilding it.<\/p>\r\n<p>Where a client asks in writing for their data to be deleted, DEISO will delete it, subject to any records DEISO is required to retain by Japanese law &mdash; principally invoices and accounting records &mdash; and will confirm what has been deleted and what has been retained.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-ownership\">\r\n<h2>Ownership of data and deliverables<\/h2>\r\n<p>Data a client provides remains the client&rsquo;s data. Ownership of deliverables, models and reports produced during an engagement is set out in the engagement agreement for that project.<\/p>\r\n<p>DEISO methodology, templates, curriculum and software remain DEISO property and are not transferred by an engagement.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-incident\">\r\n<h2>If something goes wrong<\/h2>\r\n<p>If DEISO becomes aware of unauthorised access to, loss of, or disclosure of client data, DEISO will contact the affected client without undue delay, state what is known, state what is being done, and continue to update the client as the position becomes clearer.<\/p>\r\n<p>To report a security concern about DEISO systems or a DEISO deliverable, email <a href=\"mailto:info@dei.so\">info@dei.so<\/a> with &ldquo;Security&rdquo; in the subject line.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-limits\">\r\n<h2>What DEISO does not claim<\/h2>\r\n<p>Clear boundaries matter more than badges, so these are stated directly.<\/p>\r\n<ul class=\"page-list\">\r\n<li>DEISO does not hold ISO 27001, SOC 2 or any equivalent information security certification<\/li>\r\n<li>DEISO is not a certification or verification body<\/li>\r\n<li>DEISO does not operate a client-facing data centre or hosting service<\/li>\r\n<li>No system is completely secure, and DEISO does not represent that it is<\/li>\r\n<\/ul>\r\n<p>Where a client&rsquo;s own procurement process requires a security questionnaire, supplier assessment or specific contractual data terms, DEISO will complete it and negotiate the terms.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-questions\">\r\n<h2>Questions before an engagement<\/h2>\r\n<p>If your organisation needs to assess DEISO before sharing data, ask before the engagement rather than after. Send the question to <a href=\"mailto:info@dei.so\">info@dei.so<\/a> and DEISO will answer it directly, including where the answer is that a formal process does not yet exist.<\/p>\r\n<\/div>\r\n\r\n<div class=\"dg-sec\" id=\"dg-contact\">\r\n<h2>\ubb38\uc758<\/h2>\r\n<p>DEISO LLC, Japan<br>\uc774\uba54\uc77c: <a href=\"mailto:info@dei.so\">info@dei.so<\/a><br>Website: <a href=\"https:\/\/dei.so\/ko\/\">dei.so<\/a><\/p>\r\n<\/div>\r\n\r\n<\/div>\r\n\r\n<aside class=\"dg-nav\" aria-label=\"Sections of this page\">\r\n<span class=\"dg-nav-label\">On this page<\/span>\r\n<ul class=\"dg-nav-list\">\r\n<li><a href=\"#dg-scope\">\uac80\ud1a0 \ubc94\uc704<\/a><\/li>\r\n<li><a href=\"#dg-principles\">Principles<\/a><\/li>\r\n<li><a href=\"#dg-storage\">Where client data is held<\/a><\/li>\r\n<li><a href=\"#dg-access\">Who has access<\/a><\/li>\r\n<li><a href=\"#dg-confidentiality\">Confidentiality<\/a><\/li>\r\n<li><a href=\"#dg-ai\">Use of AI in delivery<\/a><\/li>\r\n<li><a href=\"#dg-processors\">Tools and third parties<\/a><\/li>\r\n<li><a href=\"#dg-retention\">Retention and deletion<\/a><\/li>\r\n<li><a href=\"#dg-ownership\">Ownership<\/a><\/li>\r\n<li><a href=\"#dg-incident\">If something goes wrong<\/a><\/li>\r\n<li><a href=\"#dg-limits\">What DEISO does not claim<\/a><\/li>\r\n<li><a href=\"#dg-questions\">Questions<\/a><\/li>\r\n<li><a href=\"#dg-contact\">\ubb38\uc758<\/a><\/li>\r\n<\/ul>\r\n<a href=\"https:\/\/dei.so\/ko\/contact-form\/\" class=\"dg-btn\"><span>Ask a data question &rarr;<\/span><\/a>\r\n<a href=\"https:\/\/dei.so\/ko\/policies\/\" class=\"dg-btn secondary\"><span>\ubaa8\ub4e0 \uc815\ucc45<\/span><\/a>\r\n<\/aside>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Policies Data governance and security How DEISO handles client data during an engagement &mdash; where it sits, who can reach it, how AI is used, how long it is kept, and what happens if something goes wrong. What this page is This page states DEISO&rsquo;s working practice in plain terms so that a technical or [&hellip;]<\/p>\n","protected":false},"author":132,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_deiso_aiv_faq":[{"q":"Where is my client data stored during a DEISO engagement?","a":"Client files are held in access-controlled business cloud storage and on DEISO working machines, with transfers made over encrypted connections. If required, DEISO can exchange data through the client\u2019s own secure portal, controlled workspace, or nominated transfer service."},{"q":"Who can access my data at DEISO?","a":"Access is limited to DEISO personnel assigned to the engagement. A specialist may access only the material needed for their defined part of the work and is bound by the same confidentiality terms."},{"q":"How does DEISO use AI with client data?","a":"DEISO uses AI tools for structuring, drafting, checking, and analysis, while a DEISO technical practitioner reviews every figure, method, and conclusion before delivery. Confidential client material is not submitted to public or consumer AI services, and client data is not used to train third-party AI models."},{"q":"Can I ask DEISO not to use AI on my engagement?","a":"Yes, DEISO will work to a client\u2019s condition that no AI tooling be used and will confirm it in the engagement agreement. Where requested, DEISO will also state which parts of a workflow used AI support."},{"q":"How long does DEISO keep client data?","a":"Client data is kept for the duration of the engagement and for a period afterwards so results can be defended in review, questions can be answered, and the study can be updated in the next cycle. If a client requests deletion in writing, DEISO will delete the data subject to records required to be retained by Japanese law and will confirm what was deleted and retained."},{"q":"Where is my data stored when DEISO works on an engagement?","a":"Client files are held in access-controlled business cloud storage and on DEISO working machines in Japan, and transferred over encrypted connections. If required, DEISO can exchange data through the client\u2019s secure portal, controlled workspace, or nominated transfer service."},{"q":"Who can access the data I share with DEISO?","a":"Access is limited to DEISO personnel assigned to the engagement. A specialist brought in for a defined part of the work receives access only to the material that part requires and is bound by the same confidentiality terms."},{"q":"How does DEISO use AI with client data?","a":"DEISO uses AI tools to support structuring, drafting, checking, and analysis, while a DEISO technical practitioner reviews every figure, method, and conclusion in a deliverable. Client-identifying material and confidential figures are not submitted to public or consumer AI services, and client data is not used to train third-party AI models."},{"q":"Can I require DEISO not to use AI on my engagement?","a":"Yes, DEISO will work to a client\u2019s condition that no AI tooling be used and confirm it in the engagement agreement. Where requested, DEISO will also state which parts of a workflow used AI support."},{"q":"How long does DEISO keep client data, and can I request deletion?","a":"Client data is kept for the engagement and for a period afterwards so results can be reviewed, questions answered, and the study updated in the next cycle. If requested in writing, DEISO will delete the data subject to records it is required to retain by Japanese law, principally invoices and accounting records, and will confirm what was deleted and retained."}],"footnotes":""},"deiso-finder":[],"content-type":[],"content-filter":[937],"site-search-options":[],"class_list":["post-339109","page","type-page","status-publish","hentry","content-filter-exclude","grve-entry-item"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/pages\/339109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/users\/132"}],"replies":[{"embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/comments?post=339109"}],"version-history":[{"count":0,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/pages\/339109\/revisions"}],"wp:attachment":[{"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/media?parent=339109"}],"wp:term":[{"taxonomy":"deiso-finder","embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/deiso-finder?post=339109"},{"taxonomy":"content-type","embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/content-type?post=339109"},{"taxonomy":"content-filter","embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/content-filter?post=339109"},{"taxonomy":"site-search-options","embeddable":true,"href":"https:\/\/dei.so\/ko\/wp-json\/wp\/v2\/site-search-options?post=339109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}