Dossier
corporate networks
Coverage of corporate networks in the Nexus archive.
- Fake IT support calls on Microsoft Teams push EtherRAT malware
Threat actors are using Microsoft Teams voice calls to impersonate corporate IT support staff, tricking employees into installing EtherRAT malware. This malware grants attackers initial access to corporate networks.
- Palo Alto GlobalProtect VPN auth bypass flaw now exploited in attacks
Palo Alto Networks warns that hackers are exploiting a PAN-OS GlobalProtect authentication bypass flaw (CVE-2026-0257) in attacks targeting corporate networks. The vulnerability allows unauthorized access to systems using the GlobalProtect VPN solution.
- Hackers impersonate Microsoft Teams help desk to breach corporate networks
Hackers are impersonating Microsoft Teams help desk workers to trick victims into installing data-stealing malware, according to researchers. This tactic has been used to breach corporate networks and compromise sensitive data.