Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
2026-05-04T13:23:35Z•3c8ba021b56fdbb92796964c32912ab0000500452abedf2af1294ca1fd248f4d
AisuruBlueHammer (Windows Defender)CanisterWormDDoSGandCrabIoT botnetIranJackSkidKimwolfMicrosoft Office tokensMossadREvilSMS phishingScattered SpiderSharePointStrykerUNKNanti-DDoS abusebotnetphishingransomwarerouter exploitationtoken theftwiperzero-day
What happened
A batch of high-impact security incidents and advisories: a Brazilian anti-DDoS vendor was tied to a botnet used to attack ISPs; Russian-linked actors exploited router flaws to harvest Microsoft Office authentication tokens from >18,000 networks; multiple active wiper campaigns target Iranian entities and Stryker; US/Canada/Germany disrupted four massive IoT botnets; a senior Scattered Spider member pleaded guilty for SMS phishing-enabled intrusions; and Microsoft/Google/Adobe released emergency patches for multiple zero-days (including a SharePoint zero-day and a Windows Defender issue dubbed
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- krebs_on_security
- Record identifier
- 3c8ba021b56fdbb92796964c32912ab0000500452abedf2af1294ca1fd248f4d
- Enrichment time
- 2026-05-04T13:23:35Z
- AI-assisted enrichment
- Yes
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