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Speaker - Joined in 2011 as a software engineer - Was responsible for our private cloud and internal systems until March 2021 - Now responsible for LINE’s internal system and Z Holdings group

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What’s the Enterprise IT center

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Agenda - Internal system for Z holdings group - Background - Issue faced in Z holdings group system - How we resolve - Further improvements

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Background - Setup some systems for collaboration project - After the business integration, we discussed how to work with Yahoo! JAPAN

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Background Task management JIRA File sharing Box Schedule LINE WORKS/Exchange Meeting Zoom Documenting Confluence Communication Slack

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Background Task management JIRA File sharing Box Schedule LINE WORKS/Exchange Meeting Zoom Documenting Confluence Communication Slack

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Background Task management JIRA File sharing Box Schedule LINE WORKS/Exchange Meeting Zoom Documenting Confluence Communication Slack

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Background Task management JIRA File sharing Box Schedule LINE WORKS/Exchange Meeting Zoom Documenting Confluence Communication Slack

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Why prepared a system - Using different calendar - Don’t have a collaboration tools Calendar (LINE WORKS) LINE Calendar (Exchange) Yahoo! JAPAN

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Sync schedule data - synchronized calendar each other using batch - It takes a time to synchronize schedule. - If increasing company, it more take time to sync Calendar (LINE WORKS) LINE Calendar (Exchange) Yahoo! JAPAN

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implemented schedule app Calendar (LINE WORKS) LINE Calendar (Exchange) Yahoo! JAPAN Schedule app - We call ”Meet Up”. - It can register schedule to those calendar.

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Meet Up

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Issues faced in Z Holdings group system - Need to restrict user authentication - Need to restrict certain users from accessing information

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Group system Yahoo! JAPAN LINE - Users are group employees - Those systems are NOT internal system Z Holdings Meet Up

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Restrict certain users

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Restrict certain users

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Restrict certain users - Checker API checks a user is valid or invalid

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Restrict certain users - In case of search user, User checker API restrict certain users - In case of keyboard input, it resolve with terms and conditions.

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SAML Authentication Internal system IdP User

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Internal IdP SAML Authentication for Z Holdings group User Datastore Internal system for Z holdings group IdP

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Restrict user authentication - In case of user authentication, Datastore checks user who can access or not.

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Further Improvements

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Further Improvement - Prepare the integration IdP for user authentication Azure AD Internal system IdP Internal AD

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Summary - Prepare group internal systems with Yahoo! JAPAN for collaboration project - Keep to improve our systems - We continue to make a No.1 workplace for LINERs by offering the best solutions

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Thank you