Threat Advisories:

Zimbra Zero-Day Hidden in “Harmless” ICS File Targets Military Service Finder Plugin Flaw Opens Door to Full Site Compromise Redis Under Siege: RediShell Flaw Opens Door to Remote Code Execution CVE-2025-61882: Oracle EBS Zero-Day Actively Exploited in the Wild Water Saci: Brazil’s WhatsApp-Borne Malware Storm Confucius Hackers Spy on Critical Sectors Using AnonDoor FunkLocker: Emerging AI-Assisted Ransomware Olymp Loader: Modular Malware Built for Rapid Exploitation VMware Aria and Tools Vulnerabilities Fixed Amid Ongoing Exploitation DarkCloud Rising: Spear-Phishing Campaign Targets Manufacturing Sector Active Zero-Day Exploitation on Cisco ASA and FTD Devices BRICKSTORM Malware Quietly Builds the Perfect Hideout in US Networks September 2025 Linux Patch Roundup COLDRIVER’s ClickFix Campaign Targets Civil Voices Critical Cisco SNMP Flaw Exploited: Root Access at Risk DeerStealer the $200 Doorway to Your Digital Secrets Operation Rewrite: How BadIIS Rewired the Web for SEO Poisoning Atomic Stealer Targeting Mac Users via Malicious GitHub Page Subtle Snail’s Silent Espionage Across Europe Gamaredon Tools Revive Turla’s Kazuar Backdoor to Target Ukraine

Hive Force Labs: October First Threat Research

Play Count: Loading...

Partner Program

Book a Demo Threat Digest - Subscribe

APT41 Leverages Google Calendar for Command and Control

Red | Attack Report

APT41’s operation used sophisticated malware, TOUGHPROGRESS, which covertly leveraged trusted cloud services like Google Calendar for command-and-control, bypassing traditional defenses. The campaign reflects a broader shift toward stealthy, cloud-integrated malware ecosystems designed to evade detection, complicate threat hunting, and elevate operational risk for organizations worldwide.

What’s new on HivePro

Get through updates and upcoming events, and more directly in your inbox