google出错的官方解释

http://blog.stopbadware.org/2009/01/31/google-glitch-causes-confusion

[Update 12:31] Google has posted an update on their official blog that
erroneously states that Google gets its list of URLs from us. This is
not accurate. Google generates its own list of badware URLs, and no
data that we generate is supposed to affect the warnings in Google's
search listings. We are attempting to work with Google to clarify
their statement.

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http://googleblog.blogspot.com/2009/01/this-site-may-harm-your-computer-on.html

What happened? Very simply, human error. Google flags search results
with the message "This site may harm your computer" if the site is
known to install malicious software in the background or otherwise
surreptitiously. We do this to protect our users against visiting
sites that could harm their computers. We work with a non-profit
called StopBadware.org to get our list of URLs. StopBadware carefully
researches each consumer complaint to decide fairly whether that URL
belongs on the list. Since each case needs to be individually
researched, this list is maintained by humans, not algorithms.

We periodically receive updates to that list and received one such
update to release on the site this morning. Unfortunately (and here's
the human error), the URL of '/' was mistakenly checked in as a value
to the file and '/' expands to all URLs. Fortunately, our on-call site
reliability team found the problem quickly and reverted the file.
Since we push these updates in a staggered and rolling fashion, the
errors began appearing between 6:27 a.m. and 6:40 a.m. and began
disappearing between 7:10 and 7:25 a.m., so the duration of the
problem for any particular user was approximately 40 minutes.

---------注：我也有一个猜想，请参看上一篇博文。