Microsoft Defender: Antivirus

Microsoft Corporation

アプリ内購入あり

このアプリについて

Microsoft Defender is an online security app for your digital life¹ and work².

Stay safer online with Microsoft Defender for individuals¹. Defender is an easy-to-use app that helps keep you and your family one step ahead of threats. Microsoft Defender for individuals is available with a Microsoft 365 Personal or Family subscription.

All-in-one security app
Protect your personal identity, privacy, and devices against malicious threats with antivirus scanning³, threat monitoring⁴, multidevice alerts, and expert guidance.

Manage your security in one place
• Check the security status of your family’s devices and identity⁵.
• Get timely threat alerts and recommended actions across your devices.

Safeguard your family’s personal information
• Get continuous monitoring of your and your family's personal identity⁴ and credit⁶.
• Call an identity theft restoration expert for help, anytime day or night.
• Get identity insurance coverage, up to USD1 million, to help cover restoration fees. Insurance coverage includes up to USD100,000 to recover lost funds⁷.

Trusted device protection
• Protect your devices against new and existing threats3.
• Get alerted if malicious apps are found and take steps to remove the threat.
• Continuously scans for harmful links before you click on them to help protect you from malicious threats.

Microsoft Defender for Endpoint
Microsoft Defender for Endpoint is an industry-leading, cloud-powered endpoint security solution that helps to secure against ransomware, file-less malware, and other sophisticated attacks across platforms.
Microsoft Defender uses accessibility services to automatically block malicious web pages that may be accessed via links from SMS, messaging apps, browsers, and email.
App and feature availability may vary by device, language, and region.

1. Microsoft 365 Family or Personal subscription required. Sign in with your Microsoft account. App is currently not available in certain Microsoft 365 Personal or Family regions.
2. If you are a member of a business or organization, login with your work or school email. Your school or business is required to have a valid license or subscription.
3. Does not replace existing malware protection on iOS and Windows devices.
4. Feature is available in the United States and US territories.
5. A one-time parent or legal guardian verification is required to receive dark web threat alert details for children. If the organizer’s family member is under 13, consent is not required to create and/or monitor a child’s identity. Consent is required to create and/or monitor identity of family members over 13 years of age.
6. Feature available in the United States and US territories. Credit score is a single bureau VantageScore 3.0 provided by Experian®. The monthly credit report is provided by Experian® using single bureau data. For users under the age of 18 or those without a credit history, credit score not included. Family organizers will not have the ability to onboard, view, and receive alerts related to family member credit monitoring. Your device's primary display language must be set to English.
7. The identity theft insurance is underwritten and administered by American Bankers Insurance Company of Florida, an Assurant company. Please refer to the actual policies for terms, conditions, and exclusions of coverage. Coverage may not be available in all jurisdictions. Review the Summary of Benefits: https://learn.microsoft.com/en-us/legal/microsoft-365/summary-of-benefits-for-itm.

評価とレビュー

令和7年8月21日　Microsoft365サブスクリプションの契約が無いと使えないので令和7年8月21日削除。

Microsoft365を使っている人は、これ一択。なぜなら、サブスクリプション料金に含まれているから。軽くて、他の端末情報も確認できる。最高です。アカウントが無効という話は、おそらくMicrosoft365のアカウントを取得していない。無効になるのは、他のセキュリティソフトが働いている的なものではないかと。

初日は使えましたが、２日目に見るとログアウトされてました。Microsoft365 personalのサブスクリプションを持ってますがログインしなおしても「サブスクリプションが必要です」と表示されて契約を迫られます。マイクロソフトアカウントを確認しても契約済み。しかしPC側もログアウトされて同じく使えない状態。使えない困ったちゃん。あと世界的企業なら「このアプリについて」の説明をきちんと日本人に確認を取ってもらいたい。マイクロソフトお得意の自動翻訳らしきもので意味が分からんです。 【追記】配信後初期は調子悪かったですが、最近は特に問題もなく調子が良いので評価を上げました。動作は安定しており、やたら通知するプロモとかもないのでおとなしいセキュリティアプリです。