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Listed on a ransomware leak site

Chartboost LLC

chartboost.com

Chartboost LLC was listed on the N0n leak site on Nov 6, 2026. Information as of Nov 6, 2026.

Country: United StatesIndustry: Technology
Updated continuously · figures as of Nov 6, 2026
Claimed by
N0n
First listed
Nov 6, 2026
Claims recorded
1

Leak-Site Claim.

N0nConfirmed claim
Posted on the leak site
Nov 6, 2026
Collected by Brandefense
Nov 6, 2026
Data claimed
Not stated
Leak-site post text, written by the group
mobile advertising · United States | The internal business records of a mobile advertising network: monthly publisher account balance and earnings snapshots covering 185,545 accounts, January 2018 through September 2026; Advertiser and publisher performance reports from its data warehouse, 1,129,048,884 rows naming 14,497 advertiser companies and 43,211 publisher companies with their impressions, clicks, installs, spend and earnings; Marketplace transaction records with auction and bid pricing, including one complete week of the marketplace transaction archive at 293 GB uncompressed; An app…

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Dompé Farmaceutici S.p.A.
dompe.com
N0nITItalyHealthcareNot stated
Cogent Biosciences, Inc.
cogentbio.com
N0nUSUnited StatesTechnologyNot stated
Centrepoint
centrepoint.org.uk
N0nGBUnited KingdomNon-profit and Civil SocietyNot stated
Resource Consultants
accel-hrconsulting.com
N0nAEUnited Arab EmiratesConsultingNot stated
Max Fashion
maxfashion.com
N0nAEUnited Arab EmiratesRetailNot stated
Hallmark Cards, Inc.
hallmark.com
N0nUSUnited StatesRetailNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Cogent Biosciences, Inc.
cogentbio.com
N0nUSUnited StatesTechnologyNot stated
Scry Analytics
scryanalytics.ai
N0nUSUnited StatesTechnologyNot stated
ZipAI
zipai.vn
Vexy-ransomwareVNVietnamTechnologyNot stated
System Plus
systemplus.co
AkiraUSUnited StatesTechnologyNot stated
Msn
msn.com
MedUSlockerUSUnited StatesTechnologyNot stated
Kde
icn.ma
MedUSlockerMAMoroccoTechnologyNot stated

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Figures as of Nov 6, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.