<s>
They	O
are	O
known	O
for	O
being	O
the	O
creators	O
of	O
the	O
world	O
's	O
first	O
antivirus	B-Application
software	I-Application
.	O
</s>
<s>
GData	O
uses	O
multiple	O
scanning	O
engines	O
;	O
one	O
is	O
developed	O
in-house	O
and	O
the	O
other	O
is	O
the	O
Bitdefender	B-Application
engine	O
.	O
</s>
<s>
G	B-Application
Data	I-Application
was	O
founded	O
in	O
Bochum	O
,	O
Germany	O
,	O
in	O
1985	O
.	O
</s>
<s>
The	O
company	O
introduced	O
its	O
first	O
computer	O
security	O
product	O
Anti-Virus	B-Application
Kit	O
(	O
AVK	O
)	O
in	O
1988	O
for	O
Atari	B-Device
ST	I-Device
.	O
</s>
<s>
Beside	O
focus	O
on	O
the	O
security	O
market	O
,	O
G	B-Application
Data	I-Application
also	O
created	O
software	O
for	O
voice	O
recognition	O
(	O
Invox	O
)	O
and	O
speech	O
synthesis	O
(	O
Logox	O
)	O
.	O
</s>
<s>
G	B-Application
Data	I-Application
computer	O
security	O
products	O
use	O
two	O
scan	O
engines	O
,	O
originally	O
by	O
Avast	O
and	O
Bitdefender	B-Application
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
G	B-Application
Data	I-Application
launched	O
a	O
new	O
messaging	O
app	O
called	O
Secure	O
Chat	O
which	O
used	O
the	O
Signal	B-Protocol
Protocol	I-Protocol
.	O
</s>
<s>
The	O
application	O
was	O
based	O
on	O
a	O
fork	B-Application
of	O
Signal	B-Application
and	O
its	O
source	O
code	O
was	O
published	O
under	O
the	O
GPLv3	O
license	O
.	O
</s>
<s>
G	B-Application
Data	I-Application
discontinued	O
the	O
service	O
in	O
May	O
2018	O
.	O
</s>
