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Zorluk: KolayHost, Network, and Architecture Vulnerabilities

During an internal security assessment, an analyst discovers that an enterprise host permits unauthenticated administrative connections from any device within the internal network. The system design relies entirely on the border edge firewall to block external threats, assuming all intranet traffic is inherently safe. Which of the following architecture vulnerabilities is primarily demonstrated by this scenario?

  1. Implicit reliance on perimeter-based defense rather than implementing zero trust continuous verification.Cevap
  2. B
    Misclassification of a preventive security control as a compensating administrative control.
  3. C
    Vulnerability to SQL injection payloads executing malicious scripts within the client web browser.
  4. D
    Applying network layer packet filtering firewalls to remediate host-based software buffer overflows.

Cevap

Implicit reliance on perimeter-based defense rather than implementing zero trust continuous verification.
The system architecture assumes internal traffic is trustworthy simply because it originates behind the edge firewall. This implicit trust reliance leaves internal systems exposed to lateral movement if an attacker breaches the perimeter. Zero Trust principles mandate explicit authentication and microsegmentation regardless of network location.

Adım Adım Çözüm

1
Analyze the scenario context and identifies host access control requirements.
The host allows unauthenticated administrative access from any internal IP address.
The system architecture assumes all internal network traffic is trustworthy.
2
Evaluate the identified vulnerability against enterprise architecture principles.
Relying on an external boundary firewall while trusting all internal traffic leaves internal hosts vulnerable to lateral movement.
Modern security architectures mandate Zero Trust principles where location does not imply trust.

Anahtar Kavram

Perimeter Trust vs. Zero Trust Architecture Vulnerabilities
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