<s>
OSSIM	B-Protocol
(	O
Open	B-Protocol
Source	I-Protocol
Security	I-Protocol
Information	I-Protocol
Management	I-Protocol
)	O
is	O
an	O
open	O
source	O
security	O
information	O
and	O
event	O
management	O
system	O
,	O
integrating	O
a	O
selection	O
of	O
tools	O
designed	O
to	O
aid	O
network	O
administrators	O
in	O
computer	O
security	O
,	O
intrusion	O
detection	O
and	O
prevention	O
.	O
</s>
<s>
Following	O
the	O
acquisition	O
of	O
the	O
Eureka	O
project	O
label	O
and	O
completion	O
of	O
R&D	O
,	O
AlienVault	O
began	O
selling	O
a	O
commercial	O
derivative	O
of	O
OSSIM	B-Protocol
( 	O
 '	O
AlienVault	O
Unified	O
Security	O
Management	O
 '	O
)	O
.	O
</s>
<s>
OSSIM	B-Protocol
has	O
had	O
four	O
major-version	O
releases	O
since	O
its	O
creation	O
and	O
is	O
on	O
a	O
5.x.x	O
version	O
numbering	O
.	O
</s>
<s>
An	O
information	B-Application
visualization	I-Application
of	O
the	O
contributions	O
to	O
the	O
source	O
code	O
for	O
OSSIM	B-Protocol
was	O
published	O
at	O
.	O
</s>
<s>
The	O
current	O
version	O
of	O
OSSIM	B-Protocol
is	O
5.7.5	O
and	O
was	O
released	O
on	O
September	O
16	O
,	O
2019	O
.	O
</s>
<s>
As	O
a	O
SIEM	O
system	O
,	O
OSSIM	B-Protocol
is	O
intended	O
to	O
give	O
security	O
analysts	O
and	O
administrators	O
a	O
more	O
complete	O
view	O
of	O
all	O
the	O
security-related	O
aspects	O
of	O
their	O
system	O
,	O
by	O
combining	O
log	B-Application
management	I-Application
which	O
can	O
be	O
extended	O
with	O
plugins	O
and	O
asset	O
management	O
and	O
discovery	O
with	O
information	O
from	O
dedicated	O
information	O
security	O
controls	O
and	O
detection	O
systems	O
.	O
</s>
<s>
OSSIM	B-Protocol
performs	O
these	O
functions	O
using	O
other	O
well-known	O
open-source	B-Application
software	I-Application
security	O
components	O
,	O
unifying	O
them	O
under	O
a	O
single	O
browser-based	O
user	O
interface	O
.	O
</s>
<s>
The	O
interface	O
provides	O
graphical	O
analysis	O
tools	O
for	O
information	O
collected	O
from	O
the	O
underlying	O
open	B-Application
source	I-Application
software	I-Application
component	O
(	O
many	O
of	O
which	O
are	O
command	O
line	O
only	O
tools	O
that	O
otherwise	O
log	O
only	O
to	O
a	O
plain	O
text	O
file	O
)	O
and	O
allows	O
centralized	O
management	O
of	O
configuration	O
options	O
.	O
</s>
<s>
The	O
software	O
is	O
distributed	O
freely	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Unlike	O
the	O
individual	O
components	O
which	O
may	O
be	O
installed	O
onto	O
an	O
existing	O
system	O
,	O
OSSIM	B-Protocol
is	O
distributed	O
as	O
an	O
installable	O
ISO	B-General_Concept
image	I-General_Concept
designed	O
to	O
be	O
deployed	O
to	O
a	O
physical	O
or	O
virtual	O
host	O
as	O
the	O
core	O
operating	B-General_Concept
system	I-General_Concept
of	O
the	O
host	O
.	O
</s>
<s>
OSSIM	B-Protocol
is	O
built	O
using	O
Debian	O
as	O
its	O
underlying	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
OSSIM	B-Protocol
features	O
the	O
following	O
software	O
components	O
:	O
</s>
<s>
Snort	B-Language
,	O
used	O
as	O
an	O
Intrusion	O
detection	O
system	O
(	O
IDS	O
)	O
,	O
and	O
also	O
used	O
for	O
cross	O
correlation	O
with	O
OpenVAS	B-Protocol
.	O
</s>
<s>
Munin	B-Protocol
,	O
for	O
traffic	O
analysis	O
and	O
service	O
watchdogging	O
.	O
</s>
<s>
NFSen/NFDump	O
,	O
used	O
to	O
collect	O
and	O
analyze	O
NetFlow	B-Protocol
information	O
.	O
</s>
<s>
FProbe	O
,	O
used	O
to	O
generate	O
NetFlow	B-Protocol
data	O
from	O
captured	O
traffic	O
.	O
</s>
<s>
Nagios	B-Application
,	O
used	O
to	O
monitor	O
hosts	O
and	O
specified	O
ports	O
for	O
asset	O
availability	O
a	O
well	O
as	O
full	O
local	O
system	O
Monitoring	O
.	O
</s>
<s>
OpenVas	B-Protocol
,	O
is	O
used	O
for	O
vulnerability	O
assessment	O
and	O
associated	O
to	O
assets	O
.	O
</s>
<s>
OSSIM	B-Protocol
also	O
includes	O
self	O
developed	O
tools	O
,	O
the	O
most	O
important	O
being	O
a	O
generic	O
correlation	O
engine	O
with	O
logical	O
directive	O
support	O
and	O
logs	O
integration	O
with	O
plugins	O
.	O
</s>
<s>
Note	O
:	O
Suricata	B-Application
and	O
Snort	B-Language
cannot	O
be	O
used	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Snort	B-Language
is	O
currently	O
being	O
phased	O
out	O
in	O
favor	O
of	O
Suricata	B-Application
.	O
</s>
<s>
Arpwatch	B-Protocol
,	O
used	O
for	O
MAC	O
address	O
anomaly	O
detection	O
,	O
replaced	O
by	O
PRADS	O
.	O
</s>
<s>
P0f	B-Protocol
,	O
used	O
for	O
passive	O
OS	B-General_Concept
detection	O
and	O
OS	B-General_Concept
change	O
analysis	O
,	O
replaced	O
by	O
PRADS	O
.	O
</s>
<s>
Ntop	B-Protocol
,	O
for	O
recording	O
traffic	O
patterns	O
between	O
hosts	O
and	O
host	O
groups	O
,	O
and	O
statistics	O
on	O
protocol	O
usage	O
,	O
deprecated	O
.	O
</s>
<s>
AlienVault	O
maintains	O
a	O
crowd-sourced	O
service	O
for	O
IP	O
reputation	O
information	O
,	O
generated	O
by	O
(	O
and	O
available	O
to	O
anyone	O
)	O
with	O
an	O
active	O
OSSIM	B-Protocol
installation	O
.	O
</s>
<s>
OTX	O
uses	O
tokenized	O
information	O
from	O
participating	O
OSSIM	B-Protocol
installations	O
to	O
identify	O
Internet	O
addresses	O
engaged	O
in	O
malicious	O
activities	O
and	O
share	O
that	O
information	O
to	O
those	O
same	O
OSSIM	B-Protocol
installations	O
.	O
</s>
