<s>
Confide	B-Application
is	O
an	O
encrypted	O
instant	B-Application
messaging	I-Application
application	O
for	O
most	O
major	O
operating	O
systems	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
2013	O
,	O
on	O
iOS	B-Application
,	O
and	O
is	O
known	O
for	O
its	O
self-destructing	O
messaging	O
system	O
that	O
deletes	O
messages	O
immediately	O
after	O
reading	O
.	O
</s>
<s>
In	O
2017	O
,	O
the	O
news	O
outlet	O
Axios	O
reported	O
that	O
it	O
had	O
gained	O
popularity	O
among	O
,	O
“	O
numerous	O
senior	O
GOP	O
operatives	O
and	O
several	O
members	O
of	O
the	O
Trump	O
administration.	O
”	O
After	O
receiving	O
more	O
media	O
attention	O
,	O
there	O
were	O
concerns	O
about	O
the	O
security	O
of	O
the	O
app	O
,	O
as	O
it	O
is	O
closed	O
source	O
and	O
an	O
independent	O
review	O
by	O
Kudelski	O
Security	O
indicated	O
it	O
may	O
use	O
an	O
older	O
,	O
less	O
secure	O
version	O
of	O
OpenSSL	B-Language
.	O
</s>
<s>
The	O
app	O
's	O
first	O
full	O
security	O
audit	O
found	O
multiple	O
critical	O
vulnerabilities	O
including	O
impersonating	O
another	O
user	O
by	O
hijacking	O
an	O
account	O
session	O
or	O
by	O
guessing	O
a	O
password	O
,	O
learning	O
the	O
contact	O
details	O
of	O
Confide	B-Application
users	O
,	O
becoming	O
an	O
intermediary	O
in	O
a	O
conversation	O
and	O
decrypting	O
messages	O
,	O
and	O
potentially	O
altering	O
the	O
contents	O
of	O
a	O
message	O
or	O
attachment	O
in	O
transit	O
without	O
first	O
decrypting	O
it	O
.	O
</s>
<s>
WIRED	O
reported	O
that	O
the	O
encryption	O
in	O
Confide	B-Application
was	O
based	O
on	O
the	O
"	O
PGP	B-Application
standard	O
,	O
"	O
and	O
used	O
Transport	B-Protocol
Layer	I-Protocol
Security	I-Protocol
.	O
</s>
<s>
In	O
January	O
2018	O
,	O
Confide	B-Application
,	O
Inc	O
.	O
developers	O
announced	O
their	O
newly	O
developed	O
ScreenShieldKit	O
SDK	O
(	O
Software	O
Development	O
Kit	O
)	O
which	O
was	O
originally	O
intended	O
only	O
for	O
the	O
Confide	B-Application
application	O
.	O
</s>
<s>
The	O
API	O
allows	O
developers	O
to	O
incorporate	O
the	O
same	O
screenshot-proof	O
functionality	O
of	O
Confide	B-Application
into	O
their	O
own	O
applications	O
by	O
simply	O
importing	O
the	O
SDK	O
replacing	O
UITextView	O
and	O
UIImageView	O
–	O
two	O
commonly	O
used	O
iOS	B-Application
development	O
components	O
used	O
to	O
display	O
data	O
to	O
end	O
users	O
.	O
</s>
<s>
The	O
SDK	O
prevents	O
screenshots	O
by	O
blanking	O
out	O
the	O
data	O
and	O
supports	O
protection	O
from	O
a	O
variety	O
of	O
capture	O
methods	O
including	O
screenshots	O
,	O
screen	O
recordings	O
,	O
screen	O
mirrorings	O
,	O
and	O
even	O
screenshots	O
from	O
Apple	O
's	O
Xcode	O
(	O
the	O
main	O
development	O
platform	O
for	O
iOS	B-Application
)	O
.	O
</s>
<s>
Confide	B-Application
was	O
referred	O
to	O
as	O
an	O
application	O
that	O
was	O
used	O
during	O
communications	O
between	O
an	O
accuser	O
and	O
a	O
boss	O
during	O
the	O
scandal	O
surrounding	O
the	O
then	O
governor	O
in	O
New	O
York	O
in	O
2021	O
.	O
</s>
