SystemBC C2 Server Reveals 1,570+ Victims in The Gentlemen Ransomware Operation
2026-04-22T07:24:11Z•130eeeaed1ac66e39f4c68ef8debd91827b77af1d441085b2f78360b7c1d08f9
Anthropic_MCPApache_ActiveMQBRIDGE:BREAKCISA_KEVCVEDDoSHandyPayLantronixMicrosoft_Defender_zero-dayMiraiNGateNexcoriumPowMix_botnetRCESGLangSilexSystemBCTBK_DVRThe_GentlemenZionSiphonbotnetidentity-based_attacksransomwareserial-to-IPsupply_chain
What happened
A batch of high-impact cyber incidents and vulnerabilities was reported: SystemBC C2 data linked to The Gentlemen ransomware exposed over 1,570 victims and active botnet activity; Forescout disclosed 22 BRIDGE:BREAK flaws affecting ~20,000 Lantronix and Silex serial‑to‑IP converters; researchers revealed multiple critical RCE/design flaws in AI and model-serving software (SGLang CVE-2026-5760 (CVSS 9.8) and a critical Anthropic MCP design vulnerability) and active exploitation of Apache ActiveMQ CVE-2026-34197. Other notable items include Mirai variant Nexcorium exploiting CVE-2024-3721 to hij
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- the_hacker_news
- Record identifier
- 130eeeaed1ac66e39f4c68ef8debd91827b77af1d441085b2f78360b7c1d08f9
- Enrichment time
- 2026-04-22T07:24:11Z
- AI-assisted enrichment
- Yes
This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.