ZeroFox Daily Deep and Dark Web Intelligence - September 17, 2026

ZeroFox Daily Deep and Dark Web Intelligence - September 17, 2026

Product Serial: D-2026-09-17a

TLP:CLEAR

Here is a curated list of critical incidents and compromised data observed on deep and dark web ransomware sites, forums, and marketplaces ingested into the ZeroFox Platform in the past 24 hours.

Standing Intelligence Requirements

For the most up-to-date list of ZeroFox’s Intelligence Requirements, please visit: https://cloud.zerofox.com/intelligence/advisories/14956

Link to Download

View the full report for today here

Key Findings

• Ransomware and Digital Extortion: Multiple threat actor groups posted new leak site entries, including The Gentlemen Ransomware, Qilin Ransomware, and Insomnia.
• Unauthorized Access Marketplace: Threat actors advertised network and web shell access allegedly tied to a U.S.-based freight and logistics company and a U.S.-based healthcare services company, on deep and dark web (DDW) forums Exploit and DarkForums.
• Data Dissemination and Telemetry: Threat actors posted several data sale claims, including alleged data tied to TASPEN and a customer order database allegedly linked to Trezor and ShipMonk, alongside advertised counterfeit Mastercard gift cards. Credential systems ingested over 1.17 billion combined compromised account credentials (CAC) and botnet CAC between August 20 and September 16, 2026.