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BLUF: Security researchers and industry practitioners are highlighting a critical gap in enterprise defense: organizations are failing to assess their networks from an attacker’s vantage point, leaving exploitable exposure windows that extend well beyond zero-day vulnerabilities. All network-connected enterprise environments should treat external attack surface visibility as an immediate operational priority. DETAILS Beyond zero-days: Threat intelligence and practitioner guidance — including analysis associated with HD Moore (Metasploit creator, attack surface research pioneer) — emphasizes that most successful intrusions exploit known, visible, and unmanaged attack surface elements, not exclusively novel zero-days. Attack surface blind spots confirmed: Enterprises consistently fail to enumerate assets, exposed services, and lateral pathways the way adversaries do — creating persistent, exploitable gaps that survive standard patch cycles. Shadow AI compounds exposure: Separately confirmed reporting (CrowdStrike) identifies unauthorized AI tool deployment across enterprise environments as an expanding, largely unmonitored attack surface vector. Supply chain and CI/CD vectors active: Confirmed incidents involving watering hole attacks (CPU-Z, SentinelOne Labs), CI/CD pipeline subversion, and hypersonic supply chain attack techniques indicate adversaries are actively targeting non-perimeter pathways. Patch velocity insufficient: Qualys research confirms human-speed patching cycles leave remediation windows that attackers are actively exploiting; P2P-assisted distribution models are being proposed as mitigation. ⚠️ UNCERTAINTY FLAG: Specific CVEs, active threat actor attribution, or confirmed in-the-wild exploitation tied directly to this advisory are not confirmed at this time. This alert reflects a practitioner-level risk posture warning, not a confirmed active incident. ...