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: Team Huntress
Rapid Response & Vulnerabilities
Cybercrime Breaches Klue: Salesforce Data Impacted for Many Victims, including Huntress
Cybercrime Breaches Klue: Salesforce Data Impacted for Many Victims, including Huntress

Huntress was one of many vendors impacted by a recent incident at Klue. We dug into the incident to figure out what happened.

June 18, 2026
Huntress Threat Advisory: Active Exploitation of SonicWall VPNs
Huntress Threat Advisory: Active Exploitation of SonicWall VPNs

SonicWall VPN exploitation is active, widespread, and moving fast toward Akira ransomware deployment. Huntress has been tracking this campaign in real time. Here's the full advisory with live updates.

August 13, 2025
Oh No Cleo! Malichus Implant Malware Analysis
Oh No Cleo! Malichus Implant Malware Analysis

Huntress analyzed the malware being delivered through Cleo exploitation and named it Malichus. We discuss the full technical breakdown — what Malichus does, how it persists, and how to detect it.

December 11, 2024
Cracks in the Foundation: Intrusions of FOUNDATION Accounting Software
Cracks in the Foundation: Intrusions of FOUNDATION Accounting Software

FOUNDATION Accounting Software, used widely in construction, was being brute-forced at scale using the product's default credentials. Huntress observed active intrusions across plumbing, HVAC, and concrete contractors.

September 17, 2024
MFT Exploitation and Adversary Operations
MFT Exploitation and Adversary Operations

Managed file transfer tools keep getting targeted, and CVE-2023-43117 in CrushFTP is the latest example. Huntress covers what MFT exploitation looks like in the wild and what defenders need to do.

November 29, 2023
Confluence to Cerber: Exploitation of ​​CVE-2023-22518 for Ransomware Deployment
Confluence to Cerber: Exploitation of ​​CVE-2023-22518 for Ransomware Deployment

Huntress has confirmed active exploitation of an improper authorization vulnerability in Atlassian Confluence, which attackers used to deploy Cerber ransomware. The report breaks down how the attack unfolded across affected environments.

Critical Vulnerability: Exploitation of Apache ActiveMQ CVE-2023-46604
Critical Vulnerability: Exploitation of Apache ActiveMQ CVE-2023-46604

A HelloKitty ransomware attack led Huntress to confirm active exploitation of CVE-2023-46604 in Apache ActiveMQ. Here's what the vulnerability allows, how it's being used, and what to do now.

Critical Vulnerabilities: WS_FTP Exploitation
Critical Vulnerabilities: WS_FTP Exploitation

Progress disclosed seven WS_FTP vulnerabilities, two of which scored above 9 on the CVSS scale. Huntress is tracking active exploitation and outlines what organizations should do right now.

Critical Vulnerability: WebP Heap Buffer Overflow (CVE-2023-4863)
Critical Vulnerability: WebP Heap Buffer Overflow (CVE-2023-4863)

CVE-2023-4863 is a critical heap buffer overflow in the libwebp library, affecting nearly every application that processes images. Huntress is tracking active exploitation in the wild. Here's what's known so far.

Threat Advisory: XMRig Cryptomining By Way Of TeamViewer
Threat Advisory: XMRig Cryptomining By Way Of TeamViewer

Huntress SOC analysts traced a cryptocurrency miner back through a TeamViewer installation. Here's how XMRig was delivered, the wallet address it was reporting to, and what organizations should check.