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Listed on a ransomware leak site

Microsoft

microsoft.com

Microsoft was listed on the Exfilsquad leak site on Jul 26, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
Exfilsquad
First listed
Jul 26, 2026
Claims recorded
1

Leak-Site Claim.

ExfilsquadConfirmed claim
Posted on the leak site
Jul 26, 2026
Collected by Brandefense
Jul 26, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Revenue: $318B DATA SUMMARY: 8M~ records containing: significant PII, employee and customer contact information, authentication data, password hashes, portal identities, corporate account information, business leads, facilities management records, internal service tickets, and access permissions.

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Wesco International
wesco.com
ExfilsquadUSUnited StatesManufacturing40 GB
District of Columbia Public Schools (dcps.dc.gov)
dc.gov
ExfilsquadUSUnited StatesGovernment and Public Sector71 GB
Analog Devices
analog.com
ExfilsquadUSUnited StatesTechnologyNot stated
Bonava
bonava.com
ExfilsquadSESwedenManufacturingNot stated
City of Atlanta
atlantaga.gov
ExfilsquadUSUnited StatesGovernment and Public SectorNot stated
City of Houston
houstontx.gov
ExfilsquadUSUnited StatesGovernment and Public SectorNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
PingCAP / TiDB Cloud
pingcap.com
FulcrumsecUSUnited StatesTechnologyNot stated
Amagi Media Labs
amagi.com
N0nINIndiaTechnologyNot stated
All Business Technologies (Fox Hill bookkeeping and tax practice)
allbusinesstechnologies.com
N0nUSUnited StatesTechnologyNot stated
Southwire
southwire.com
HelixUSUnited StatesTechnologyNot stated
Bay Alarm
bayalarm.com
HelixUSUnited StatesTechnologyNot stated
Taekwang Network
tkni.co.kr
EverestKRSouth KoreaTechnologyNot stated

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Figures as of Oct 19, 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.