<s>
Tresorit	B-Protocol
is	O
a	O
cloud	O
storage	O
service	O
with	O
end-to-end	O
encryption	O
.	O
</s>
<s>
Founded	O
in	O
2011	O
,	O
Tresorit	B-Protocol
closed	O
an	O
€11.5	O
M	O
Series	O
B	O
financing	O
round	O
in	O
2018	O
and	O
was	O
featured	O
on	O
FT1000	O
by	O
Financial	O
Times	O
2020	O
as	O
the	O
fifth	O
fastest-growing	O
cybersecurity	O
company	O
in	O
Europe	O
.	O
</s>
<s>
The	O
software	O
is	O
available	O
for	O
Windows	O
,	O
macOS	B-Application
,	O
Android	B-Application
,	O
iOS	B-Application
,	O
and	O
Linux	B-Application
,	O
and	O
the	O
company	O
has	O
released	O
plugins	O
for	O
Gmail	O
and	O
Outlook	O
.	O
</s>
<s>
Tresorit	B-Protocol
works	O
as	O
an	O
independent	O
entity	O
under	O
Swiss	O
Post	O
.	O
</s>
<s>
The	O
company	O
has	O
offices	O
in	O
Zurich	O
,	O
Switzerland	B-Protocol
;	O
Munich	O
,	O
Germany	O
;	O
and	O
Budapest	O
,	O
Hungary	O
,	O
employing	O
around	O
100	O
people	O
.	O
</s>
<s>
Tresorit	B-Protocol
was	O
founded	O
in	O
2011	O
by	O
Istvan	O
Lam	O
(	O
CEO	O
)	O
,	O
Szilveszter	O
Szebeni	O
(	O
CIO	O
)	O
and	O
Gyorgy	O
Szilagyi	O
(	O
CPO	O
)	O
.	O
</s>
<s>
In	O
2013	O
and	O
2014	O
,	O
Tresorit	B-Protocol
hosted	O
a	O
hacking	O
contest	O
offering	O
$	O
10,000	O
to	O
anyone	O
who	O
hacked	O
their	O
data	O
encryption	O
methods	O
to	O
gain	O
access	O
to	O
their	O
servers	O
.	O
</s>
<s>
In	O
August	O
2015	O
,	O
Wuala	B-Application
(	O
owned	O
by	O
LaCie	O
and	O
Seagate	O
)	O
,	O
a	O
pioneer	O
of	O
secure	O
cloud	O
storage	O
,	O
announced	O
it	O
was	O
closing	O
its	O
service	O
after	O
7	O
years	O
and	O
recommended	O
its	O
users	O
choose	O
Tresorit	B-Protocol
as	O
their	O
secure	O
cloud	O
alternative	O
.	O
</s>
<s>
In	O
2016	O
,	O
Tresorit	B-Protocol
launched	O
a	O
beta	O
of	O
the	O
software	O
development	O
kit	O
(	O
SDK	O
)	O
ZeroKit	O
.	O
</s>
<s>
In	O
2017	O
,	O
Tresorit	B-Protocol
patented	O
its	O
shareable	O
encryption	O
technology	O
in	O
the	O
US	O
under	O
no	O
.	O
</s>
<s>
US	O
9563783	O
B2	O
,	O
and	O
LogMeIn	B-Application
co-founder	O
Marton	O
Anka	O
joined	O
Tresorit	B-Protocol
as	O
an	O
investor	O
and	O
advisor	O
.	O
</s>
<s>
In	O
2019	O
,	O
Tresorit	B-Protocol
reached	O
the	O
number	O
of	O
100	O
employees	O
,	O
and	O
Tresorit	B-Protocol
improved	O
its	O
governance	O
feature	O
set	O
with	O
e-mail	O
verification	O
and	O
detailed	O
user	O
reports	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
Tresorit	B-Protocol
was	O
acquired	O
by	O
the	O
Swiss	O
Post	O
to	O
further	O
expand	O
its	O
presence	O
in	O
its	O
core	O
German-speaking	O
markets	O
,	O
including	O
Germany	O
,	O
Austria	O
,	O
and	O
Switzerland	B-Protocol
.	O
</s>
<s>
Tresorit	B-Protocol
uses	O
AES	B-Algorithm
256	I-Algorithm
encryption	O
.	O
</s>
<s>
With	O
Tresorit	B-Protocol
's	O
end-to-end	O
encryption	O
,	O
every	O
file	O
and	O
relevant	O
metadata	O
on	O
user	O
devices	O
are	O
encrypted	O
with	O
unique	O
,	O
randomly	O
generated	O
encryption	O
keys	O
.	O
</s>
<s>
These	O
keys	O
are	O
never	O
sent	O
to	O
Tresorit	B-Protocol
's	O
servers	O
in	O
an	O
unencrypted	O
format	O
.	O
</s>
<s>
Tresorit	B-Protocol
uses	O
random	O
keys	O
for	O
each	O
file	O
and	O
random	O
IVs	O
for	O
each	O
version	O
of	O
a	O
file	O
.	O
</s>
<s>
Due	O
to	O
its	O
zero-knowledge	O
system	O
,	O
Tresorit	B-Protocol
does	O
not	O
store	O
passwords	O
,	O
only	O
the	O
user	O
can	O
access	O
his/her	O
own	O
password	O
.	O
</s>
<s>
Administrators	O
of	O
a	O
business	O
Tresorit	B-Protocol
account	O
can	O
reset	O
passwords	O
in	O
exceptional	O
cases	O
but	O
can	O
never	O
access	O
those	O
.	O
</s>
<s>
In	O
2017	O
,	O
Tresorit	B-Protocol
was	O
named	O
one	O
of	O
the	O
Rising	O
Stars	O
at	O
Deloitte	O
's	O
Technology	O
Fast	O
50	O
Central	O
Europe	O
Award	O
.	O
</s>
<s>
In	O
2019	O
,	O
Tresorit	B-Protocol
was	O
named	O
as	O
a	O
Global	O
Leader	O
in	O
Cloud	O
Computing	O
at	O
the	O
Stratus	O
Awards	O
.	O
</s>
<s>
In	O
2020	O
,	O
Tresorit	B-Protocol
was	O
named	O
a	O
2020	O
Gartner	O
Peer	O
Insights	O
Customers	O
 '	O
Choice	O
for	O
Content	O
Collaboration	O
Tools	O
and	O
was	O
featured	O
on	O
FT1000	O
by	O
Financial	O
Times	O
2020	O
as	O
the	O
fifth	O
fastest-growing	O
cybersecurity	O
company	O
in	O
Europe	O
.	O
</s>
