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Dive into our collection of security research, vulnerability insights, and industry best practices curated by our expert team.

RSS Tag: Network Security
25 articles found

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Signal Shorts AI Security

AI-Assisted Network Operations: Analyzing the Impact on Reconnaissance and Lateral Movement

Recent findings including a widespread security incident within the Mexican government demonstrate how unauthorized parties are using commercial large language models and automate network reconnaissance and credential testing. For defensive teams, this necessitates a shift toward stricter identity-based access controls and machine-speed observability to protect sensitive environments.

Triage Security Media Team
3m
ThreatBrief Vulnerability Management

Cisco addresses 48 firewall vulnerabilities, including two critical FMC findings

Cisco has released updates to address 48 vulnerabilities across its firewall ecosystem, prioritizing two critical flaws in the Secure Firewall Management Center (FMC). Organizations are advised to apply the latest software versions to safeguard their network perimeters and prevent unauthorized access.

Triage Security Media Team
3m
ThreatBrief Threat Intelligence

Silver Dragon threat group targets government entities in Southeast Asia and Europe

Researchers have identified Silver Dragon, a threat group linked to APT41, conducting cyber-espionage operations against government organizations in Southeast Asia and Europe. By utilizing phishing campaigns and vulnerable public-facing servers, the group gains initial access before hijacking legitimate system services to establish long-term persistence.

Triage Security Media Team
3m
Signal Shorts Vulnerability Management

Critical Cisco SD-WAN Vulnerabilities and Evolving Vendor Liability

A critical authentication bypass in Cisco SD-WAN requires immediate attention from security teams, coinciding with a shift in legal standards for vendor liability. We analyze the technical mitigations for CVE-2026-20127, the implications of the Marquis v. SonicWall litigation, and new supply chain risks in AI development tools.

Triage Security Media Team
3m
ThreatBrief Network Security

Remediation Guidance for Cisco Catalyst SD-WAN Authentication Vulnerabilities

Cisco has released critical updates for Catalyst SD-WAN components following the discovery of a zero-day vulnerability used in conjunction with legacy flaws. This analysis covers the technical methodology observed in these campaigns and provides actionable steps to secure management interfaces.

Triage Security Media Team
3m
Signal Shorts Physical Security

Mitigating Automated Threats and Physical Compromise in Legacy Infrastructure

Recent data indicates a convergence of physical security risks and AI-scaled automation targeting legacy systems. This analysis reviews 2025 trends—from ATM jackpotting to automated firewall reconnaissance—and outlines the fundamental controls required to protect critical infrastructure.

Triage Security Media Team
3m
ThreatBrief Network Security

Analysis of AI-Augmented Access to FortiGate Infrastructure

Recent research identifies a campaign where threat actors utilized generative AI to scale unauthorized access to over 600 FortiGate devices. This analysis reviews the operational methods involved and outlines essential configuration changes to protect management interfaces and backup infrastructure.

Triage Security Media Team
3m
Signal Shorts Vulnerability Management

Analysis: Automated Social Engineering and Critical Infrastructure Vulnerabilities

Recent findings indicate a convergence of AI-driven fraud mechanics and persistent vulnerabilities in critical business hardware. This report analyzes the technical details of these emerging threats and outlines specific remediation steps for Dell and Grandstream appliances.

Triage Security Media Team
3m
ThreatBrief Vulnerability Management

Hard-Coded Credentials in Dell RecoverPoint Allow Root Access (CVE-2026-22769)

Security researchers have identified a critical vulnerability in Dell RecoverPoint for Virtual Machines that allows unauthenticated root access via hard-coded credentials. This report details the technical mechanism, observed activity by threat group UNC6201, and immediate remediation steps for affected organizations.

Triage Security Media Team
3m
ThreatBrief Vulnerability Management

Remediating Critical Buffer Overflow Vulnerabilities in Grandstream VoIP Infrastructure

A critical vulnerability in Grandstream GXP1600 series phones allows for unauthenticated remote code execution. This analysis covers the technical details of CVE-2026-2329 and provides actionable guidance for securing VoIP assets through segmentation and patching.

Triage Security Media Team
3m
ThreatBrief Incident Response

Singapore Defense Operation Secures Telecommunications Sector Against Targeted Espionage

A coordinated 11-month operation by Singapore’s Cyber Security Agency and four major telecommunications providers successfully neutralized unauthorized access by a sophisticated threat actor, preventing data exfiltration and service disruption.

Triage Security Media Team
3m
ThreatBrief Endpoint Security

Securing Edge Management: Analysis of Ivanti EPMM Critical Vulnerabilities

Recent security incidents involving Ivanti Endpoint Manager Mobile (EPMM) highlight the critical need for sturdy edge defense. This analysis reviews the technical details of CVE-2026-1281 and CVE-2026-1340, observed threat activity, and strategic recommendations for hardening management infrastructure.

Triage Security Media Team
3m