Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
2026-05-08T01:23:31Z•71ae461668b438f9d1a2ac92e20502528b8c0ef853944cbf150ba6831f9f99d7
Adobe ReaderAisuruBlueHammerDDoSGoogle ChromeIoT botnetJackSkidKimwolfMicrosoftMicrosoft Office tokensMossadREvil','GandCrab','UNKN'Russia-linked actorsScattered SpiderSharePointTylerbWindows Defenderaggravated identity theftanti-DDoS abusebotnetcredential theftremote code executionrouter exploitationwire fraudzero-day
What happened
KrebsOnSecurity collected multiple high-impact cyber incidents from early 2026: a Brazilian anti-DDoS firm was found to have enabled botnet-driven attacks against ISPs (claimed to follow a breach), and U.S./allied law enforcement disrupted four massive IoT botnets (Aisuru, Kimwolf, JackSkid, Mossad). Russian-linked actors exploited known router flaws to harvest Microsoft Office authentication tokens from ~18,000 networks, while multiple zero-days and dozens-to-hundreds of Microsoft, Chrome and Adobe vulnerabilities (including a SharePoint zero-day and a Windows Defender issue dubbed “BlueHammе
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- krebs_on_security
- Record identifier
- 71ae461668b438f9d1a2ac92e20502528b8c0ef853944cbf150ba6831f9f99d7
- Enrichment time
- 2026-05-08T01:23:31Z
- AI-assisted enrichment
- Yes
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