CYBER SECURITY • OCTOBER 2026
The Monitoring Report
Devops• Linux • Observability
China-Linked Hackers Exploited BeyondTrust Zero-Day to Take Over Remote Support Servers
The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026. The vulnerability, tracked as CVE-2026-102764 (CVSS score: 9.3), is a case of improper origin validation in an internal messaging component that could be exploited by a
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OWASP Web Security Testing Guide
The OWASP Web Security Testing Guide provides a comprehensive framework for testing web application security, covering authentication, authorization, input validation, session management, and common vulnerabilities.
OWASP Juice Shop
An intentionally insecure web application designed for security training, demonstrations, and CTF exercises covering modern web vulnerabilities.
Wazuh
Open source security platform for threat detection, incident response, compliance monitoring, vulnerability detection, and security analytics.
Suricata
High performance Network Threat Detection Engine providing IDS, IPS, and network security monitoring capabilities.
Zeek
Powerful open source network security monitor that provides deep visibility into network traffic and generates security logs.
Nmap
Network exploration and security auditing tool used for host discovery, port scanning, service detection, and network analysis.
Metasploit Framework
Penetration testing framework containing exploit modules, payloads, auxiliary tools, and security testing capabilities.
Falco
Cloud native runtime security tool that detects suspicious behavior using Linux system calls and security rules.
TheHive
Open source incident response platform designed for security operations teams to manage investigations, alerts, and cases.
Sigma
Generic and open signature format for describing suspicious log events and detecting threats across SIEM platforms.
YARA
Pattern matching tool designed for malware researchers to identify and classify malicious files and suspicious artifacts.