istyle

Security incidents tagged istyle. Newest first.

1 istyle incident in the last 12 months

Critical 4 · High 3 · Med 2 · Low 1 · Update ½Severity-weighted: critical 4 · high 3 · medium 2 · low 1 · update ½LessMore

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@cosme breach leaks data on about 3 million members, including skin and hair types
istyle, which runs Japan's @cosme beauty review and shopping site, said on Nov 2 2026 that unauthorized access to @cosme, confirmed on Oct 28, leaked part of the member data tied to @cosme common IDs for about 3 million people, including members who have since left. The leaked fields are user IDs, nicknames, names, postal codes, addresses, phone numbers, email addresses, gender, birth dates, skin type and hair type. Login passwords and credit card data were not included. istyle has not disclosed how the attacker got in, is investigating with an outside security firm and says it has seen no misuse so far.
@cosme member accounts (istyle)Since Oct 28, 2026updated Nov 8, 2026, 16:17 UTC