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.

Unit 42 uncovers multiple clusters of cyberespionage targeting a Southeast Asian government organization with USBFect, RATs and loaders.

The post Converging Interests: Analysis of Threat Clusters Targeting a Southeast Asian Government appeared first on Unit 42.

Explore the tools Unit 42 found on a Muddled Libra rogue host. Learn how they target domain controllers and use search engines to aid their attacks.

The post A Peek Into Muddled Libra’s Operational Playbook appeared first on Unit 42.

In 2025 a threat group compromised government and critical infrastructure in 37 countries, with reconnaissance in 155.

The post The Shadow Campaigns: Uncovering Global Espionage appeared first on Unit 42.

Operators behind RansomHouse, a ransomware-as-a-service (RaaS) group, have upgraded their encryption methods from single-phase to complex and layered.

The post From Linear to Complex: An Upgrade in RansomHouse Encryption appeared first on Unit 42.

Hamas-affiliated threat actor Ashen Lepus (aka WIRTE) is conducting espionage with its new AshTag malware suite against Middle Eastern government entities.

The post Hamas-Affiliated Ashen Lepus Targets Middle Eastern Diplomatic Entities With New AshTag Malware Suite appeared first on Unit 42.