All Huntress Blog Posts

All Huntress Blog Posts

All things cybersecurity engaging and accessible - so you can stay ahead of hackers and boost your cybersecurity savviness.

Author: Matt Kiely
Not Location, Not Tunnel, but a Secret Third Thing: Datacenter Infrastructure & Identity Attacks
Not Location, Not Tunnel, but a Secret Third Thing: Datacenter Infrastructure & Identity Attacks

Where do identity attacks actually come from? Not where you think. The answer isn't a country, a VPN, or a data center — and getting that wrong leaves you exposed.

December 2, 2025
Never Just One Termite: Six Months of Researching OAuth Application Attacks
Never Just One Termite: Six Months of Researching OAuth Application Attacks

If you administer a Microsoft 365 tenant, audit your OAuth applications right now. Huntress spent six months researching how malicious apps persist inside M365. Statistically, yours may already be infected.

February 10, 2025
Device Code Phishing: OAuth 2.0 Attacks in Google & Azure
Device Code Phishing: OAuth 2.0 Attacks in Google & Azure

OAuth 2.0 is everywhere, and its different implementations in Google Cloud and Azure have radically different attack surfaces. Huntress walks through a device code phishing case study across both platforms.

February 6, 2025
Mommy, Does Santa Like NordVPN?
Mommy, Does Santa Like NordVPN?

Santa's workshop has a strict policy against the Naughty List. Some VPNs and proxies are on it. Here's how businesses can tell the difference between secure network tools and ones that create risk.

December 16, 2024
To MFA or Not to MFA: How Multi-Factor Authentication Saves the SMB
To MFA or Not to MFA: How Multi-Factor Authentication Saves the SMB

MFA feels like a Mostly Fruitless Annoyance until you understand how cleanly it divides the identity attack surface. Here's what happens to account takeover attempts when MFA is — and isn't — in place.

November 18, 2024
Turning TTPs into CTF Challenges: Huntress CTF 2024 Retro
Turning TTPs into CTF Challenges: Huntress CTF 2024 Retro

Six thousand people opened Calculator at the same time — and none of them were doing math. Here's the behind-the-scenes story of how Huntress turned real attacker TTPs into CTF 2024 challenges.

Unmasking the Central Villain: Inside Adversary-in-the-Middle Attacks
Unmasking the Central Villain: Inside Adversary-in-the-Middle Attacks

In every martial arts movie, the last opponent is the quiet one. AiTM attacks work the same way — unassuming until they've already won. Huntress unmasks how adversary-in-the-middle attacks actually work.

October 15, 2024
Smuggler’s Gambit: Uncovering HTML Smuggling Adversary in the Middle Tradecraft
Smuggler’s Gambit: Uncovering HTML Smuggling Adversary in the Middle Tradecraft

Huntress uncovered a mass phishing campaign using HTML smuggling, injected iframes, and session theft to bypass MFA. Read the full technical breakdown of a technique that's genuinely novel.

May 23, 2024
RATs! Remote Management Software from the Hacker’s Perspective
RATs! Remote Management Software from the Hacker’s Perspective

RMMs and command-and-control are the same thing from a hacker's perspective. The Huntress SOC director breaks down RMM abuse at scale — including the wackiest ScreenConnect attack chain they've ever seen.

February 6, 2024
Combating Emerging Microsoft 365 Tradecraft: Initial Access
Combating Emerging Microsoft 365 Tradecraft: Initial Access

Huntress wakes up every morning asking how to turn cybercriminals into examples. Lately, that means tracking emerging Microsoft 365 initial access tradecraft. Here's what the team found and built.

December 27, 2023
The Hackers in the Arena: The Huntress CTF Retrospective
The Hackers in the Arena: The Huntress CTF Retrospective

An attacker has valid credentials but MFA is standing in the way. How does the story end? The Huntress CTF retrospective walks through the challenges that made players earn every single flag.

October 31, 2023