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What are infostealers?

Start with the fundamentals

A three-part field guide on infostealer ecosystems — from the basics to how botnets distribute logs at scale.

  1. 4 min

    Part 01

    What is an “info-stealer”? (Part Ⅰ)

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  2. 5 min

    Part 02

    Botnets & Info-Stealers (Part Ⅱ)

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  3. 6 min

    Part 03

    Botnets & Info-Stealers (Part Ⅲ)

    Continue

Live newsroom

Breaking the latest stealer campaigns

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Latest weekly report Sep 14 – Sep 21, 2026
Open report

Infostealers Weekly Report: 2026-09-14 – 2026-09-21

InfoStealers Weekly Report - In this comprehensive report, we provide you with valuable insights into the most pressing threats facing organizations today. As cyberattacks continue to grow in complexity and scale, our mission is to equip you with the knowledge and tools needed to safeguard your sensitive information.…

  • 20,935 Compromised Machines
  • 4,579 Compromised Employees
  • 5,412 Compromised Users
  • 10,944 Compromised Androids
  • 282,919 Compromised Domains
Top compromised domains this week
google.com 14,196 facebook.com 9,874 live.com 8,663 instagram.com 7,522 com.facebook.katana 5,584 com.instagram.android 5,076 discord.com 4,921 netflix.com 4,794 amazon.com 4,730 microsoftonline.com 3,963 roblox.com 3,903 com.netflix.mediaclient 3,409 steampowered.com 3,211 linkedin.com 3,187 openai.com 3,025 apple.com 3,007 google.com 14,196 facebook.com 9,874 live.com 8,663 instagram.com 7,522 com.facebook.katana 5,584 com.instagram.android 5,076 discord.com 4,921 netflix.com 4,794 amazon.com 4,730 microsoftonline.com 3,963 roblox.com 3,903 com.netflix.mediaclient 3,409 steampowered.com 3,211 linkedin.com 3,187 openai.com 3,025 apple.com 3,007

More from the briefing

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Latest threat feeds report
Open report

Threat Feeds Weekly Report: 2026-09-14 – 2026-09-21

Threat Feeds Weekly Report — executive summary of Hudson Rock Cavalier threat intelligence feeds. This report covers aggregated statistics only: C2 infrastructure, PhaaS kit hosts, and ClickFix monitor activity for Sep 14 – Sep 21, 2026 (UTC).

  • 31,499 Total Sightings
  • 88 Countries
  • 24,447 C2 Hosts
  • 2,380 PhaaS Hosts
  • 150,033 ClickFix Sites
Top C2 stealer families this week
socgholish 1,709 stealc 791 remus 429 vidar 419 lumma 208 santastealer 155 agenttesla 145 redline 111 salatstealer 109 phantomstealer 78 socgholish 1,709 stealc 791 remus 429 vidar 419 lumma 208 santastealer 155 agenttesla 145 redline 111 salatstealer 109 phantomstealer 78

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