May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
199
5
関連用語
用語に関連する話
用語の使用例
認 証と認 可
本 人 確 認に 加えて必 要な 許 可
特 定 の 個 人 が 許 可され た 利用者 であるかを識 別 する方 法を認 証と言 い、判 断 する方 法と
して I D とパスワードが 多く用いられる。また、認 証され た利 用者に対してアクセス 権 の 制
御を行い、利用者に合わせた権限を提供することを認可と言う。付与される内容は書き
換えが可能な権限だけでなく、参照だけが可能な権限などがある。
識別との違い
アクセスを制御する場合、「識別
→認証→認可」の段階を経る。識
別はそれぞれの利用者にID を割
り当てることを意味し、社員番号
やメールアドレスなどが使われる。
普段のアクセスを判定
利用者のIPアドレスなどを使い、
普段と異なる場所からアクセス
された場合に通知したり、追加で
パスワードの入力を求める手法
にリスクベース認証がある。
機械的なログインを防ぐ
コンピュータを悪用した機械的
なログインや投稿を防ぐため、
CAPTCHA という画像を使って
人間による操作を認証する方式
がよく使われる。
Keyword
176
▶
に ん しょう
▶
にんか
「本人の認証が済んでいても認可されない場合があるんだね。」
二要素認証と二段階認証
……P190
アクセス権
……P200
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.