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Listed on a ransomware leak site

Atcomm

atcomm.cn

Atcomm was listed on the Global leak site on Aug 26, 2026. Information as of Oct 19, 2026.

Country: ChinaIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
Global
First listed
Aug 26, 2026
Claims recorded
1

Leak-Site Claim.

GlobalConfirmed claim
Posted on the leak site
Aug 26, 2026
Collected by Brandefense
Aug 28, 2026
Data claimed
Not stated
Leak-site post text, written by the group
@comm is a Shanghai‐based agency specializing in PR, digital marketing, and human‐AI collaboration. It leverages data and AI to help brands grow. The company operates from Room 2103, SK Building, in Pudong New Area.

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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.