Josh Shepard

Josh Shepard

Josh has spent his career hunting for and neutralizing nation-state threat actors targeting critical infrastructure. During his time with the USAF, he led a team of threat hunters pursuing advanced persistent threats (APTs) targeting the defense industrial base, energy, transportation, and water/wastewater sectors. From there he transitioned to Ro, a startup in the healthcare sector, where he built and led a threat intelligence and threat hunt program operating on a multi-cloud, multi-operating system environment.

Posts by Josh Shepard

Threat Hunters Corner: VIP Keylogger

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2025 | 03

Threat Hunters Corner: A Phisher’s Love Affair With AI

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2025 | 02

Threat Hunters Corner: Alternate Data Streams and Extended Attributes

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2025 | 02

Threat Hunters Corner: VIP Keylogger

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2025 | 01

Threat Hunter’s Corner: VS Code Remote Tunnels

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2025 | 01

Threat Hunter’s Corner: More_Eggs malware

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2024 | 12

Threat Hunter’s Corner: Smuggling with HTML

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2024 | 12

Phishing with Fabric - A “Universal Workspace”

Summary RADICL recently observed a phishing campaign that leverages tried and true techniques but this time with a new c …

Read Story

2 min read
2024 | 11

Threat Hunter’s Corner: Tracking Lumma Stealer

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, Principal Threat Hunter at Radical, and in this epi …

Read Story

2 min read
2024 | 11

Threat Hunters Corner: Network TTP Hunting with EDR Data

Welcome Welcome back to the Threat Hunters Corner! I’m Josh Shepard, principal threat hunter at RADICL, and in this seco …

Read Story

2 min read
2024 | 10
RADlabs logo
Perspectives, insights, and education from our founders and vSOC team.

Subscribe the the RADICL Labs Blog: