<s>
A	O
browser	B-Protocol
exploit	I-Protocol
is	O
a	O
form	O
of	O
malicious	O
code	O
that	O
takes	O
advantage	O
of	O
a	O
flaw	O
or	O
vulnerability	O
in	O
an	O
operating	O
system	O
or	O
piece	O
of	O
software	O
with	O
the	O
intent	O
to	O
breach	O
browser	B-Protocol
security	I-Protocol
to	O
alter	O
a	O
user	O
's	O
browser	O
settings	O
without	O
their	O
knowledge	O
.	O
</s>
<s>
Malicious	O
code	O
may	O
exploit	O
ActiveX	B-Application
,	O
HTML	B-Language
,	O
images	O
,	O
Java	B-Language
,	O
JavaScript	B-Language
,	O
and	O
other	O
Web	O
technologies	O
and	O
cause	O
the	O
browser	O
to	O
run	O
arbitrary	O
code	O
.	O
</s>
<s>
Users	O
whose	O
web	O
browsers	O
have	O
fallen	O
victim	O
of	O
a	O
successful	O
browser	B-Protocol
exploit	I-Protocol
may	O
find	O
their	O
homepage	O
,	O
search	O
page	O
,	O
and/or	O
favorites	O
have	O
been	O
changed	O
.	O
</s>
<s>
There	O
are	O
multiple	O
ways	O
users	O
can	O
protect	O
their	O
web	O
browsers	O
from	O
falling	O
victim	O
to	O
a	O
browser	B-Protocol
exploit	I-Protocol
.	O
</s>
<s>
JailbreakMe	B-Operating_System
is	O
a	O
series	O
of	O
browser	O
based	O
exploits	O
used	O
to	O
jailbreak	B-Application
Apple	O
's	O
iOS	B-Application
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
