<s>
Guardian	B-Application
Firewall	I-Application
is	O
a	O
VPN	B-Application
for	O
iOS	B-Application
which	O
also	O
blocks	O
data	O
and	O
location	O
trackers	O
.	O
</s>
<s>
Its	O
network	O
crypto	O
suite	O
is	O
IPSec	B-Protocol
(	O
Using	O
IKEv2	B-Protocol
)	O
.	O
</s>
<s>
Its	O
founder	O
is	O
Will	O
Strafach	O
,	O
a	O
security	O
researcher	O
,	O
(	O
Known	O
for	O
work	O
on	O
iOS	B-Application
jailbreaking	I-Application
tools	O
)	O
and	O
COO	O
is	O
Chirayu	O
Patel	O
.	O
</s>
<s>
Guardian	B-Application
Firewall	I-Application
was	O
compared	O
in	O
2020	O
to	O
Lockdown	O
.	O
</s>
