偽のWindows 7 Update？

下記の記事が出ている。

　Nerves rattled by highly suspicious Windows Update delivered worldwide [Updated]
　ars technica: October 1, 2015
　http://arstechnica.com/security/2015/09/nerves-rattled-by-highly-suspicious-windows-update-delivered-worldwide/

[追記：2015年10月2日]

関連記事を追加する。

　Window 7 updates have NOT been hacked after all!
　Naked Security: October 1, 2015
　https://nakedsecurity.sophos.com/2015/10/01/window-7-updates-have-not-been-hacked-after-all/

　Don't panic: Microsoft mistakenly posted a 'test' Windows update patch
　ZDNet: September 30, 2015
　http://www.zdnet.com/article/microsoft-accidentally-issued-a-test-windows-update-patch/