<s>
CurveBall	B-Protocol
(	O
)	O
is	O
a	O
web	B-Application
browser	I-Application
security	O
vulnerability	O
and	O
spoofing	O
attack	O
discovered	O
and	O
released	O
by	O
the	O
NSA	O
in	O
2020	O
.	O
</s>
<s>
The	O
exploit	O
targets	O
Microsoft	O
CryptoAPI	O
,	O
the	O
program	O
library	O
that	O
handles	O
cryptographic	O
functions	O
for	O
the	O
Windows	B-Operating_System
10	I-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
The	O
vulnerability	O
affects	O
Microsoft	B-Application
Edge	I-Application
and	O
Google	B-Application
Chrome	I-Application
.	O
</s>
<s>
The	O
name	O
CurveBall	B-Protocol
was	O
given	O
to	O
the	O
attack	O
by	O
Tal	O
Be'ery	O
,	O
a	O
security	O
researcher	O
.	O
</s>
