meowciety403
ransomware group · aka Meow Society (implied by branding; not confirmed in vendor reporting), meowciety · unknown · active since 2026-08-27 (first tracked leak-site activity per this dashboard; earlier activity unknown)
meowciety403 (apparently branded 'Meow Society') is a recently emerged data-extortion group whose leak site has been tracked since late August 2026. Its recorded output is minimal - two victims posted in its first tracked weeks - consistent with an early-stage, selective, or sporadically active operation. Its posts claim direct infiltration and data breaches spanning three websites founded by a single individual, suggesting a data-theft extortion model, though public evidence of ransomware encryption is absent. Independent vendor research, attribution, and any ransomware-family or affiliate ties are unknown, and no related CVEs have been publicly reported. No public earnings figures exist; treat any payment amounts as unverified.
- Operates a dedicated leak/breach site listing victims
- Self-reported claims of infiltrating victim systems and stealing data
- Single breach post covering multiple related web properties (3 sites tied to one founder)
- Low posting cadence: 2 victims since 2026-08-27
- Encryption-based ransomware deployment: unconfirmed (no public technical reporting)
- Initial access vector, tooling, and infrastructure: unknown
Three websites founded by Kelvin Mun (collectively named in a breach post on the group's leak site, 2026; individual site names not detailed in available data)
No public figure.
Leak-site victims2 posts · newest first
| Victim | Discovered | Details |
|---|---|---|
| We have successfully infiltrated your systems | · 13d ago | SECTOR: Financial Brokerage/Foreign Exchange (Forex / FX) | COUNTRY: 🇦🇪 AE | DETAILS: internal documents, 216 pdf files, Hr management,daily corporate action reports, legal documents Api keys | We have successfully infiltrated your systems and obtained the following sensitive data from https://www[.]century[.]ae UAE-based financial services and brokerage company that provides individuals, businesses, and instit... | WARNING / NEW |
| data breach in these 3 sites founded by Kelvin Mun. | · 19d ago | — |
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