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
Big Brother Hacker - Attack Reconnaissance
We identify ways hackers leverage everyday websites and tools to build a picture of a target organization they can use to gain initial access.

Big Brother Hacker - Attack Reconnaissance

Jun 05, 2024 5 min read
Navigating Skynet with MITRE ATLAS
MITRE ATLAS is a globally accessible, living knowledge base of adversary tactics and techniques against Al-enabled systems based on real-world attack observations and realistic demonstrations from Al-red teams and security groups.

Navigating Skynet with MITRE ATLAS

May 20, 2024 2 min read
Master of Disguise 2: The Art of Redirection
RADICL has recently seen an uptick in threat actors using open redirect vulnerabilities in legitimate websites to hide their phishing links.

Master of Disguise 2: The Art of Redirection

May 09, 2024 2 min read
Master of Disguise: URL Edition
Seemingly innocent URLs can be hiding cybersecurity threats.

Master of Disguise: URL Edition

Apr 18, 2024 5 min read
Cloudy With a Chance of Credit Card Theft
RADICL has observed an ongoing phishing campaign with the intent to steal a victim’s credit card information and other personal data such as email and physical address.

Cloudy With a Chance of Credit Card Theft

Mar 07, 2024 3 min read
From Zero to One: A Threat Hunting Training Montage (Part 1)

From Zero to One: A Threat Hunting Training Montage (Part 1)

Jan 11, 2024 3 min read

THE DIB CYBERSECURITY MATURITY REPORT 2025 EDITION

Read Full Report
RADICL_ DIB Report_Part 5

Regulatory Compliance

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The Complete Guide to NIST CSF: What It Is, the Six Functions Explained, and How to Implement It

The Complete Guide to NIST CSF: What It Is, the Six Functions Explained, and How to Implement It

Oct 01, 2026 9 min read
What Is FedRAMP? Cloud Authorization for Government Contractors

What Is FedRAMP? Cloud Authorization for Government Contractors

Sep 23, 2026 5 min read
How a 2-Person IT Team Passed CMMC and Won Their Biggest Contract Ever
JohnE Mullin is the Director of IT at Trenton Systems, who passed their CMMC assessment after working with RADICL.

How a 2-Person IT Team Passed CMMC and Won Their Biggest Contract Ever

Sep 10, 2026 16 min read

Threat Hunting & Intelligence

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What Is Password Spraying? Low-and-Slow Account Compromise

What Is Password Spraying? Low-and-Slow Account Compromise

Oct 05, 2026 5 min read
What is Adversary-in-the-Middle (AiTM)? Session Hijacking at Scale

What is Adversary-in-the-Middle (AiTM)? Session Hijacking at Scale

Oct 05, 2026 8 min read
That Voter Registration Website Might Want More Than Your Vote

That Voter Registration Website Might Want More Than Your Vote

Sep 29, 2026 5 min read

Industry Analysis

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Internal Tool Gets Body Double

Internal Tool Gets Body Double

Oct 02, 2026 3 min read
Nigerian Princes, Free iPads, and the Evolution of Social Engineering 

Nigerian Princes, Free iPads, and the Evolution of Social Engineering 

Sep 29, 2026 4 min read
Token Taken, Trust Shaken

Token Taken, Trust Shaken

Sep 18, 2026 4 min read

Incident Response

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What Are Incident Response Solutions?

What Are Incident Response Solutions?

Apr 13, 2026 7 min read
A Day in the Life: Our vSOC Responds to the CrowdStrike Incident
On the evening of 7/25/24, CrowdStrike pushed a content update which caused Windows systems to crash and/or enter a reboot loop, rendering the systems unusable.

A Day in the Life: Our vSOC Responds to the CrowdStrike Incident

Jul 24, 2024 2 min read
I Spy a Ransomware Attack
Ransoming an espionage victim carries several advantages that can make it an ideal move for nation-state threat actors.

I Spy a Ransomware Attack

Jul 16, 2024 2 min read

Attack Surface & Vulnerability Management

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Iranian APT Actors Are Targeting Your PLCs — Here's What to Do
There was a joint advisory this week (AA26-097A) warning of active exploitation of internet-facing Programmable Logic Controllers (PLCs).

Iranian APT Actors Are Targeting Your PLCs — Here's What to Do

Apr 09, 2026 2 min read
CMMC Enclave: What It Is, When It Works, and How to Build the Right Compliance Boundary

CMMC Enclave: What It Is, When It Works, and How to Build the Right Compliance Boundary

Mar 26, 2026 11 min read
EP 9 - Palo Alto Networks' Daryan Dehghanpisheh on Vulnerability Management

EP 9 - Palo Alto Networks' Daryan Dehghanpisheh on Vulnerability Management

Jan 23, 2026 1 min read

Security Operations & vSOC

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Cloaking Gate Fronts a Certutil Stager Deploying ScreenConnect

Cloaking Gate Fronts a Certutil Stager Deploying ScreenConnect

Sep 30, 2026 10 min read
MDR vs. MSSP vs. vSOC: What's the Difference?

MDR vs. MSSP vs. vSOC: What's the Difference?

Sep 09, 2026 4 min read
SOC Cost in 2026: What It Costs to Build vs Outsource a 24/7 Security Operations Center

SOC Cost in 2026: What It Costs to Build vs Outsource a 24/7 Security Operations Center

Jul 13, 2026 7 min read

Operational Resilience

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EP 57 - Cyber Resilience at the Crossroads

EP 57 - Cyber Resilience at the Crossroads

Apr 10, 2025 2 min read
EP 1 - Micro-Ant's Charles McCarrick on Innovation and Opportunity in the DIB
Micro-Ant's Charles McCarrick on Innovation and Opportunity in the DIB

EP 1 - Micro-Ant's Charles McCarrick on Innovation and Opportunity in the DIB

Dec 08, 2023 2 min read

The DIB Innovators

Celebrating the brilliant minds driving innovation in the Defense Industrial Base. Join host David Graff as he speaks with DIB leaders championing our nation’s security and shaping the future of defense technology.

EP 124 — Asylon's Damon Henry On How Selling Outcomes Instead Of Robots Changes Defense Acquisition

EP 124 — Asylon's Damon Henry On How Selling Outcomes Instead Of Robots Changes Defense Acquisition

Oct 08, 2026 1 min read
EP 123 — Overmatch Ventures' Morgan Hitzig On The Founder Offset And Why America Wins By Playing Its Own Game

EP 123 — Overmatch Ventures' Morgan Hitzig On The Founder Offset And Why America Wins By Playing Its Own Game

Oct 01, 2026 1 min read
EP 122 — AEVEX's Manan Patel On The Modular Drone Strategy That Won Army Launched Effects-Short Range (LE-SR)

EP 122 — AEVEX's Manan Patel On The Modular Drone Strategy That Won Army Launched Effects-Short Range (LE-SR)

Sep 24, 2026 1 min read