Anti-DDoS Firm Heaped Attacks on Brazilian ISPs

2026-05-05T19:23:38Z87b6617bab8ee1f6d88eb862e600501f79ab3aa45a293c2f2eb0fa175e918321
Adobe ReaderAisuruBlueHammerCanisterWormChrome zero-dayDDoSGandCrabIoT botnetIran-linked wipersJackSkidKimwolfMicrosoftMossadPatch TuesdayREvilRussia APTScattered Spider (tylerb)SharePointStryker incidentUNKNanti-DDoS abusebotnetoffice token theftransomwarerouter exploitation

What happened

Collection of KrebsOnSecurity reports (Mar–Apr 2026) describing multiple high-impact cyber incidents: a Brazilian anti‑DDoS firm was implicated in enabling a botnet used to attack Brazilian ISPs; a senior member of the Scattered Spider group pleaded guilty for SMS/phishing-enabled intrusions and crypto theft; Microsoft and other vendors released urgent patches (Microsoft April Patch Tuesday: 167 fixes including a SharePoint Server zero‑day and a Windows Defender issue dubbed “BlueHammer”; Chrome and Adobe also patched actively exploited zero‑days); Russian state‑linked actors exploited legacy/

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
krebs_on_security
Record identifier
87b6617bab8ee1f6d88eb862e600501f79ab3aa45a293c2f2eb0fa175e918321
Enrichment time
2026-05-05T19:23:38Z
AI-assisted enrichment
Yes

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