An expanded Open Security Perimeter refers to the broadened boundaries of an organization's security landscape due to the rise of virtual work environments and widespread remote work, particularly since March 2020. This expansion means that work is no longer confined to traditional, controlled office networks but extends to home networks, cloud services, and remote devices, increasing the attack surface and introducing new risks from previously trusted or overlooked environments. GuidePoint Security highlights that with this new perimeter, organizations face unprecedented threats from diverse sources, requiring updated security strategies focused on endpoint protection, vulnerability management, user awareness, and network visibility to secure this dispersed environment effectively.

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