米Microsoftは2月28日（現地時間）、「Windows Server 2025」および「Windows 11 バージョン 24H2」のKerberosからデータ暗号化標準（DES：Data Encryption Standard）を削除すると発表した。 DES共通鍵暗号化アルゴリズムは、56ビットの鍵を使用してメッセージの暗号化と復号を ...

Beginning in [!INCLUDE[jdbc-40](../../includes/jdbc-40-md.md)], an application can use the **authenticationScheme** connection property to indicate that it wants to ...

A user who belongs to a large number of security groups has problems authenticating. When authenticating, the user may see a message such as **HTTP 400 - Bad Request (Request Header too long)**. The ...

Microsoft has released optional out-of-band (OOB) updates to fix a known issue triggering Kerberos sign-in failures and other authentication problems on enterprise Windows domain controllers after ...

米Microsoftは10月11日（現地時間）、「Windows 11」でNTLM認証を廃止する方針を明らかにした。具体的なスケジュールはまだないが、Kerberos認証の信頼性と柔軟性を拡大することで、NTLMへの依存を減らし、ユーザー認証の強化を進めたい考えだ。 「NT LAN Manager ...

Microsoft is investigating a new known issue causing enterprise domain controllers to experience Kerberos sign-in failures and other authentication problems after installing cumulative updates ...

The Kerberos authentication method originated at the Massachusetts Institute of Technology in the 1980s, as part of a project called Athena. The project involved integrating the computers on the MIT ...

Microsoft hit the ground running with the first Patch Tuesday release for 2024, rolling out security fixes for at least 49 security defects in a wide range of Windows OS and software components. The ...

Microsoft has released a total of 49 new patches marking the first Patch Tuesday event of 2024, addressing a variety of vulnerabilities across its product estate, among them two critical bugs ...