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latest_source_host:bleepingcomputer.com × victim_sectors:software × criticity:high × limpar

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bleepingcomputer.com · high

Bullhorn takes staffing platform offline after cyberattack; data exfiltration not yet ruled out

Bullhorn, a US cloud staffing and recruitment software vendor serving more than 10,000 customers, disabled access to its platform after detecting a cyber incident that caused a system-wide outage. Customers first saw job posting problems on Friday, and the company confirmed the cyberattack the following day. Bullhorn says it has isolated …

bleepingcomputer.com · high

Lazarus Group's FlashHole campaign uses ML-KEM post-quantum cryptography to deliver payloads to South Korean organizations

Kaspersky reports a Lazarus Group operation dubbed FlashHole, targeting South Korean organizations since July 2025 with a complex, mostly in-memory infection chain. The attackers use the NIST-standardized ML-KEM-1024 post-quantum key encapsulation mechanism for C2 communications, so that subsequent payloads are delivered encrypted and are…