<s>
CircleCI	B-Application
is	O
a	O
continuous	O
integration	O
and	O
continuous	O
delivery	O
platform	O
that	O
can	O
be	O
used	O
to	O
implement	O
DevOps	O
practices	O
.	O
</s>
<s>
CircleCI	B-Application
is	O
one	O
of	O
the	O
world	O
's	O
most	O
popular	O
CI/CD	O
platforms	O
.	O
</s>
<s>
Typed	O
Clojure	B-Language
was	O
used	O
at	O
CircleCI	B-Application
in	O
production	O
systems	O
from	O
September	O
2013	O
to	O
September	O
2015	O
.	O
</s>
<s>
In	O
2014	O
,	O
CircleCI	B-Application
acquired	O
Distiller	O
,	O
a	O
mobile	O
continuous	O
integration	O
tool	O
,	O
where	O
Jim	O
Rose	O
and	O
Rob	O
Zuber	O
joined	O
to	O
assume	O
CEO	O
and	O
CTO	O
.	O
</s>
<s>
In	O
2016	O
,	O
there	O
was	O
some	O
controversy	O
when	O
Uber	B-Application
,	O
who	O
shared	O
an	O
office	O
building	O
with	O
the	O
company	O
,	O
redesigned	O
their	O
logo	O
to	O
be	O
quite	O
similar	O
to	O
CircleCI	B-Application
's	O
.	O
</s>
<s>
In	O
June	O
2018	O
,	O
CircleCI	B-Application
opened	O
their	O
first	O
international	O
office	O
in	O
Tokyo	O
,	O
and	O
in	O
October	O
2018	O
they	O
opened	O
an	O
office	O
in	O
Boston	O
,	O
MA	O
.	O
</s>
<s>
In	O
October	O
2018	O
,	O
CircleCI	B-Application
became	O
the	O
first	O
CI/CD	O
tool	O
authorized	O
by	O
FedRAMP	O
.	O
</s>
<s>
In	O
May	O
2019	O
,	O
CircleCI	B-Application
opened	O
an	O
office	O
in	O
Denver	O
,	O
CO	O
.	O
</s>
<s>
In	O
August	O
2019	O
,	O
CircleCI	B-Application
made	O
support	O
for	O
Windows	O
builds	O
generally	O
available	O
.	O
</s>
<s>
In	O
November	O
2019	O
,	O
CircleCI	B-Application
opened	O
an	O
office	O
in	O
London	O
.	O
</s>
<s>
In	O
February	O
2020	O
,	O
CircleCI	B-Application
launched	O
support	O
for	O
AWS	B-Application
GovCloud	O
.	O
</s>
<s>
In	O
May	O
2020	O
,	O
CircleCI	B-Application
became	O
the	O
first	O
CI/CD	O
company	O
to	O
offer	O
fully-compensated	O
paid	O
leave	O
for	O
employees	O
recovering	O
from	O
transition-related	O
medical	O
procedures	O
.	O
</s>
<s>
In	O
October	O
2020	O
,	O
CircleCI	B-Application
released	O
an	O
insights	O
dashboard	O
for	O
customers	O
to	O
monitor	O
and	O
optimize	O
their	O
CI/CD	O
pipelines	O
.	O
</s>
<s>
In	O
November	O
2020	O
,	O
CircleCI	B-Application
introduced	O
self-hosted	O
runners	O
(	O
including	O
Arm	O
support	O
)	O
on	O
its	O
cloud	O
platform	O
.	O
</s>
<s>
In	O
April	O
2021	O
,	O
CircleCI	B-Application
's	O
cloud-hosted	O
service	O
announced	O
SOC	O
2	O
Type	O
II	O
compliance	O
.	O
</s>
<s>
In	O
January	O
2022	O
,	O
CircleCI	B-Application
announced	O
a	O
more	O
generous	O
free	O
tier	O
.	O
</s>
<s>
In	O
2013	O
,	O
CircleCI	B-Application
suffered	O
a	O
major	O
data	O
breach	O
due	O
to	O
its	O
provider	O
MongoHQ	O
,	O
but	O
was	O
able	O
to	O
quickly	O
respond	O
and	O
replace	O
its	O
security	O
keys	O
,	O
resulting	O
in	O
almost	O
no	O
lost	O
customers	O
.	O
</s>
<s>
In	O
August	O
2019	O
,	O
there	O
was	O
a	O
data	O
breach	O
in	O
a	O
third-party	O
analytics	O
vendor	O
account	O
used	O
by	O
CircleCI	B-Application
.	O
</s>
<s>
In	O
January	O
2023	O
,	O
CirceCI	O
announced	O
a	O
recent	O
system	O
breach	O
and	O
advised	O
customers	O
to	O
rotate	O
"	O
any	O
and	O
all	O
secrets	O
"	O
stored	O
in	O
CircleCI	B-Application
.	O
</s>
<s>
CircleCI	B-Application
raised	O
$50k	O
from	O
a	O
small	O
investor	O
a	O
few	O
months	O
after	O
starting	O
,	O
$1.5	O
m	O
in	O
seed	O
funding	O
in	O
2013	O
,	O
a	O
$6m	O
Series	O
A	O
round	O
from	O
DFJ	O
in	O
2014	O
,	O
a	O
$18M	O
Series	O
B	O
financing	O
round	O
from	O
Scale	O
Venture	O
Partners	O
in	O
2016	O
,	O
a	O
$31M	O
Series	O
C	O
led	O
by	O
Top	O
Tier	O
Capital	O
Partners	O
in	O
2018	O
,	O
a	O
$56M	O
Series	O
D	O
led	O
by	O
Owl	O
Rock	O
Capital	O
and	O
NextEquity	O
Partners	O
in	O
2019	O
,	O
a	O
$100M	O
Series	O
E	O
round	O
led	O
by	O
IVP	O
in	O
2020	O
,	O
and	O
a	O
$100M	O
Series	O
F	O
round	O
led	O
by	O
Greenspring	O
Associates	O
in	O
2021	O
.	O
</s>
<s>
CircleCI	B-Application
acquired	O
Distiller	O
in	O
2014	O
,	O
Vamp	O
in	O
2021	O
,	O
and	O
Ponicode	O
in	O
2022	O
.	O
</s>
<s>
CircleCI	B-Application
monitors	O
GitHub	B-Application
,	O
GitHub	B-Application
Enterprise	O
,	O
and	O
Atlassian	O
Bitbucket	B-Protocol
repositories	O
and	O
launches	O
builds	O
for	O
each	O
new	O
commit	O
.	O
</s>
<s>
CircleCI	B-Application
automatically	O
tests	O
builds	O
in	O
either	O
Docker	B-Language
containers	O
or	O
virtual	O
machines	O
and	O
deploys	O
passing	O
builds	O
to	O
target	O
environments	O
.	O
</s>
<s>
A	O
Slack	B-Protocol
integration	O
notifies	O
teams	O
if	O
issues	O
arise	O
.	O
</s>
<s>
CircleCI	B-Application
also	O
offers	O
a	O
workflow	O
approval	O
feature	O
that	O
pauses	O
the	O
job(s )	O
until	O
manual	O
approval	O
is	O
given	O
.	O
</s>
<s>
CircleCI	B-Application
supports	O
Go	B-Application
,	O
Java	B-Language
,	O
Ruby	B-Language
,	O
Python	B-Language
,	O
Scala	B-Application
,	O
Node.js	B-Language
,	O
PHP	B-Application
,	O
Haskell	B-Language
,	O
and	O
any	O
other	O
language	O
that	O
runs	O
on	O
Linux	O
or	O
macOS	O
.	O
</s>
<s>
The	O
cloud	O
service	O
was	O
initially	O
written	O
from	O
scratch	O
but	O
now	O
uses	O
HashiCorp	O
's	O
Nomad	O
and	O
Kubernetes	B-General_Concept
.	O
</s>
<s>
CircleCI	B-Application
reduces	O
risk	O
by	O
ensuring	O
frequent	O
testing	O
and	O
releases	O
,	O
and	O
with	O
the	O
managed	O
cloud	O
service	O
,	O
takes	O
care	O
of	O
CI	O
infrastructure	O
maintenance	O
and	O
provisioning	O
.	O
</s>
<s>
The	O
cloud	O
service	O
can	O
be	O
set	O
up	O
within	O
minutes	O
,	O
but	O
is	O
less	O
customizable	O
than	O
Jenkins	B-Language
.	O
</s>
<s>
Orbs	O
are	O
shareable	O
snippets	O
of	O
YAML	O
that	O
can	O
be	O
used	O
to	O
simplify	O
CircleCI	B-Application
builds	O
and	O
perform	O
deployments	O
.	O
</s>
<s>
CircleCI	B-Application
had	O
integrations	O
with	O
45	O
partners	O
as	O
of	O
2019	O
.	O
</s>
<s>
CircleCI	B-Application
's	O
target	O
deployment	O
environments	O
include	O
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Heroku	B-General_Concept
,	O
Azure	B-Application
,	O
Google	B-General_Concept
Compute	I-General_Concept
Engine	I-General_Concept
,	O
Docker	B-Language
images	O
,	O
and	O
virtual	O
Linux	O
,	O
Android	O
,	O
Windows	O
,	O
or	O
macOS	O
machines	O
with	O
VMware	O
.	O
</s>
<s>
In	O
2018	O
CircleCI	B-Application
's	O
config.yml	O
was	O
the	O
fastest	O
growing	O
YAML	O
file	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Facebook	B-Application
,	O
Coinbase	O
,	O
Sony	O
,	O
Kickstarter	O
,	O
GoPro	B-Device
,	O
and	O
Spotify	B-Application
used	O
CircleCI	B-Application
in	O
2019	O
.	O
</s>
