<s>
pwdump	B-Application
is	O
the	O
name	O
of	O
various	O
Windows	O
programs	O
that	O
outputs	O
the	O
LM	O
and	O
NTLM	O
password	O
hashes	O
of	O
local	O
user	O
accounts	O
from	O
the	O
Security	O
Account	O
Manager	O
(	O
SAM	O
)	O
database	O
and	O
from	O
the	O
Active	O
Directory	O
domain	O
's	O
users	O
cache	O
on	O
the	O
operating	O
system	O
.	O
</s>
<s>
Pwdump	B-Application
could	O
be	O
said	O
to	O
compromise	O
security	O
because	O
it	O
could	O
allow	O
a	O
malicious	O
administrator	O
to	O
access	O
user	O
's	O
passwords	O
.	O
</s>
<s>
The	O
initial	O
program	O
called	O
pwdump	B-Application
was	O
written	O
by	O
Jeremy	O
Allison	O
.	O
</s>
<s>
He	O
published	O
the	O
source	O
code	O
in	O
1997	O
(	O
see	O
open-source	B-License
)	O
.	O
</s>
<s>
pwdump	B-Application
(	O
1997	O
)	O
—	O
original	O
program	O
by	O
Jeremy	O
Allison	O
.	O
</s>
<s>
pwdump2	O
(	O
2000	O
)	O
—	O
by	O
Todd	O
Sabin	O
of	O
Bindview	O
(	O
GPL	B-License
)	O
,	O
uses	O
DLL	O
injection	O
.	O
</s>
<s>
pwdump3	O
—	O
by	O
Phil	O
Staubs	O
(	O
GPL	B-License
)	O
,	O
works	O
over	O
the	O
network	O
.	O
</s>
<s>
pwdump3e	O
—	O
by	O
Phil	O
Staubs	O
(	O
GPL	B-License
)	O
,	O
sends	O
encrypted	O
over	O
network	O
.	O
</s>
<s>
pwdump4	O
—	O
by	O
bingle	O
(	O
GPL	B-License
)	O
,	O
improvement	O
on	O
pwdump3	O
and	O
pwdump2	O
.	O
</s>
<s>
pwdump6	O
(	O
c	O
.	O
2006	O
)	O
—	O
by	O
fizzgig	O
(	O
GPL	B-License
)	O
,	O
improvement	O
of	O
pwdump3e	O
.	O
</s>
