# Vidar

Type: Company

Source: Cyber Intelligence Brief — https://getcyberbrief.com/entity/vidar
Canonical HTML page: https://getcyberbrief.com/entity/vidar

## Recent coverage (1 stories)

### 5 Infostealer Families Hijack Claude Sessions as Anthropic Revokes Access
2026-08-30 22:54:38 · Sentiment: Negative · Impact: 6/10 · Sources: 2

Security teams should treat this as a concrete case of post-authentication compromise via stolen session cookies. Five commodity infostealer families, Vidar, LummaC2, StealC, RedLine, and Acreed, are harvesting authenticated Claude sessions, bypassing passwords and 2FA to drain usage.
Full story: https://getcyberbrief.com/story/anthropic-claude-infostealer-session-hijacking

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