Fwd: [Foundation-l] Password security notes

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Fwd: [Foundation-l] Password security notes

KIZU Naoko
I'd  say too, please distribute this information as appropriate to your local

---------- Forwarded message ----------
From: Brion Vibber <[hidden email]>
Date: May 8, 2007 7:17 AM
Subject: [Foundation-l] Password security notes
To: Wikimedia developers <[hidden email]>
Cc: [hidden email], Wikimedia Foundation Mailing List
<[hidden email]>, [hidden email]

Hash: SHA1

As noted in other threads on several mailing lists, a few admin accounts
on en.wikipedia have been compromised recently, used to vandalize
high-traffic protected pages.

We're starting to roll out some additional protections against
password-guessing attacks, including but not limited to:

* Additional logging to better detect dictionary-style attacks

* Speed-bump measures against multiple failed logins
[But not that should DoS legitimate users. The traditional "lock out the
account after three tries" would make it trivial to lock out all the
site's sysops -- not wise. :)]

* Weak-password checks on existing sysops on our largest sites. Several
accounts have had their weak passwords invalidated and will need to
reset by mail before logging in again.

* Several targeted blocks against known cracking attempts.

Over the coming days we will additionally be rolling out more automated
password-strength checkers at login / set-password / change-password
time to reduce the danger of guessable passwords.

Please distribute this information as appropriate to your local

- -- brion vibber (brion @ wikimedia.org)
Version: GnuPG v1.4.2.2 (Darwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org


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KIZU Naoko
  Wikiquote: http://wikiquote.org
  * habent enim emolumentum in labore suo *

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