Unit 42

Unit 42 has discovered a new macOS Tahoe 26 forensic artifact that tracks user menu selections across the operating system. Learn more here. The post Tracing Digital Intent: New MacOS Tahoe 26 Artifact Discovered appeared first on Unit 42 .

Protect enterprise AI agents from supply chain risks by auditing third-party skills for hidden vulnerabilities and multi-stage attack chains. The post Trust No Skill: Integrity Verification for AI Agent Supply Chains appeared first on Unit 42 .

Unit 42 research examines attack scenarios targeting cloud logging services. Learn how to defend against log manipulation and defense evasion. The post Blinding the Watchmen: Abusing Cloud Logging Services for Defense Evasion and Visibility appeared first on Unit 42 .

Attackers are increasingly targeting collaboration platforms like Microsoft Teams. Learn the risks and key steps to strengthen your organization's security. The post When “Hi, This Is IT” Comes Through Microsoft Teams appeared first on Unit 42 .

We include indicators of activity and mitigations for PAN-OS vulnerability CVE-2026-0257. The post Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 appeared first on Unit 42 .

Operation FlutterBridge is a malvertising campaign targeting macOS users. It distributed the new backdoor FlutterShell, built using the Flutter framework. The post Operation FlutterBridge: macOS Malvertising Campaign Spreads New FlutterShell Backdoor appeared first on Unit 42 .

The 2026 World Cup presents major cyber risks from ransomware groups, state-aligned actors, and other groups targeting critical infrastructure. Learn more here. The post 2026 World Cup: Discussing The World’s Biggest Game’s Attack Surface appeared first on Unit 42 .

Unit 42 explores trends in data theft and extortion, outlining key strategies for organizations as frontier AI models advance. The post Out of the Crypt: The Evolving Cyber Extortion Economy appeared first on Unit 42 .

Unit 42 details Screening Serpens' use of AppDomainManager hijacking and new RAT variants to target tech and defense sectors in recent campaigns. The post Tracking Iranian APT Screening Serpens’ 2026 Espionage Campaigns appeared first on Unit 42 .

Open-source framework ROADtools is being misused by threat actors for cloud intrusions. Learn how to identify its malicious use. The post Paved With Intent: ROADtools and Nation-State Tactics in the Cloud appeared first on Unit 42 .

Unit 42 analyzes TamperedChef malware clusters that use trojanized productivity apps and malvertising to deliver stealthy payloads to targets. The post Tracking TamperedChef Clusters via Certificate and Code Reuse appeared first on Unit 42 .

Unit 42 analyzes the evolution of Gremlin stealer. This variant uses advanced obfuscation, crypto clipping and session hijacking to compromise data. The post Gremlin Stealer's Evolved Tactics: Hiding in Plain Sight With Resource Files appeared first on Unit 42 .

Unit 42 analyzes AD CS exploitation through template misconfigurations and shadow credential misuse while offering behavioral detection for defenders. The post Inside AD CS Escalation: Unpacking Advanced Misuse Techniques and Tools appeared first on Unit 42 .

Unit 42 details CVE-2026-0300, a buffer overflow vulnerability in the PAN-OS User-ID Authentication Portal. Read now for details. The post Threat Brief: Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution appeared first on Unit 42 .

Copy Fail (CVE-2026-31431) is a critical Linux kernel LPE that allows stealthy root access. This flaw impacts millions of systems. Read our analysis. The post Copy Fail: What You Need to Know About the Most Severe Linux Threat in Years appeared first on Unit 42 .

Unit 42 highlights the need for a comprehensive security strategy that spans every IT zone. Explore the full details here. The post Essential Data Sources for Detection Beyond the Endpoint appeared first on Unit 42 .

Unit 42 uncovers high-risk AI browser extensions. Disguised as productivity tools, they steal data, intercept prompts, and exfiltrate passwords. Protect your browser. The post That AI Extension Helping You Write Emails? It’s Reading Them First appeared first on Unit 42 .

Unit 42 analyzes npm supply chain evolution post-Shai Hulud. Discover wormable malware, CI/CD persistence, multi-stage attacks and more. The post The npm Threat Landscape: Attack Surface and Mitigations appeared first on Unit 42 .

Unit 42 research reports that TGR-STA-1030 remains an active threat, particularly in Central and South America. The post TGR-STA-1030: New Activity in Central and South America appeared first on Unit 42 .

What are the next steps for security leaders in this new age of frontier AI? We answer the top 10 questions customers are asking. The post Frontier AI and the Future of Defense: Your Top Questions Answered appeared first on Unit 42 .