Cookies by Brain

Brain sets multiple cookies

Brain sets multiple cookies in order to deliver our services to our customers. Some of the cookies are set directly by Brain in order to deliver analysis, segmentation or functionality. Others are set in order to match our cookies to other platforms cookies and through this matching of cookie share audience information.

Here is a complete description of what cookies that can be set by Brain in your browser, but all of them might not be set in any given session. If for instance a vendor already have a 3rd party cookie in the browser, Brain will not have to set it again.

Name

Expiration time

Purpose

Type

Class

Domain

_cfduid

1 year

Content delivery optimization used by CDN (more info)

3rd party

Performance

cloudfront.net

buid

1 year

This is a 3rd party random identifier used by Brain to distinguish anonymous user’s browsers. 

3rd party

Necessary

dep-x.com

dep

1 year

This is a 1st party random identifier used by Brain to distinguish anonymous user’s browsers. 

1st party

Necessary

local domain

Leiki_wgttrg

10 year

This is a 3rd party random identifier used by Leiki to build anonymous contextual profiles

3rd party

Functionality

kiwi39.leiki.com

sess

24 hours

This is a 3rd party random identifier used by Appnexus to test user’s browser’s third party support

3rd party

Targeting

appnexus.com

uuid2

30 days

This is a 3rd party random identifier used by Appnexus to distinguish user’s browsers

3rd party

Targeting

appnexus.com

tuuid

13 year

This is a 3rd party random identifier used by Platform 161 to distinguish user’s browsers

3rd party

Targeting

platform161.com

tuuid_last_update

13 months

This is a 3rd party random identifier used by Platform 161 to distinguish user’s browsers

3rd party

Targeting

platform161.com

uid

60 days

This is a 3rd party random identifier used by Adform to distinguish user’s browsers

3rd party

Targeting

adform.com

__kuid

90 days

This is a 3rd party random identifier used by Bidtheatre to distinguish user’s browsers

3rd party

Targeting

match.adsby.bidtheatre.com

KADUSERCOOKIE

90 days

This is a 3rd party random identifier used by Pubmatic to distinguish user’s browsers

3rd party

Targeting

pubmatic.com

KTPCACOOKIE

90 days

This is a 3rd party cookie used by Pubmatic to test user’s browser’s third-party support

3rd party

Targeting

pubmatic.com

IDE

1 year

This is a 3rd party random identifier used by DoubleClick to distinguish user’s browsers

3rd party

Targeting

google.com