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From Bing Search to Ransomware: Bumblebee and AdaptixC2 Deliver Akira
June 29, 2026 · DFIR Report · Severity: CRITICAL
The DFIR Report details a campaign where Bumblebee and AdaptixC2 were used to deliver Akira ransomware, with initial access achieved through Bing search engine poisoning. Originally reported in 2025 in partnership with Swisscom B2B CSIRT, the case highlights how search engine results remain a viable attack vector for ransomware distribution.
Key Takeaways
- From Bing Search to Ransomware: Bumblebee and AdaptixC2 Deliver Akira — Key Takeaways This case was first reported to customers in a threat brief released in July 2025...
- Classified as critical severity, this development demands immediate attention from security teams.
- Ransomware continues to be a top threat; ensure offline backups and incident response plans are in place.
- State-sponsored APT groups employ stealthy, long-term campaigns targeting government and critical infrastructure.
- Maintain offline backups, test restoration procedures, and implement network segmentation to limit ransomware impact.