Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
2026-05-05T01:23:32Z•6bca0c8c909f51c5c0d067de9838eb21768659492dbcbef22866b4b2759e8f71
APT (Russia)Adobe ReaderBlueHammerDDoSGoogle ChromeIoTIranMicrosoftScattered SpiderSharePointWindows Defenderauthentication token theftbotnetcybercrimepatchingransomwarerouter exploitationvulnerability managementwiperzero-day
What happened
Multiple high-impact incidents and trends reported by KrebsOnSecurity in Mar–Apr 2026: a Brazilian anti‑DDoS vendor was implicated in running/enabling a botnet that launched large DDoS campaigns; law enforcement disrupted four major IoT botnets (Aisuru, Kimwolf, JackSkid, Mossad); Russian state‑linked actors exploited legacy router flaws to harvest Microsoft Office authentication tokens from >18,000 networks; active zero‑days and numerous Microsoft vulnerabilities were disclosed/patch‑fixed (including a SharePoint Server zero‑day and a Windows Defender issue dubbed “BlueHammer”); Google Chrome
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- krebs_on_security
- Record identifier
- 6bca0c8c909f51c5c0d067de9838eb21768659492dbcbef22866b4b2759e8f71
- Enrichment time
- 2026-05-05T01:23:32Z
- 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.