Cloud Security
Kubernetes Network Policies: 6 Misconceptions That Leave Your Cluster Exposed
Default Kubernetes clusters allow all internal traffic by design, rendering empty network policy rules ineffective until you explicitly deny connections.
Cloud Security coverage from Malware Chronicle holds 14 articles, 14 of them reference guides. The newest was published on October 14, 2026. New stories are added as soon as they are confirmed, from more than 150 sources checked as often as every 45 seconds. Each story lists its sources. Primary sources we follow for this section include Kubernetes: Security Concepts and NIST Cybersecurity Framework.
Default Kubernetes clusters allow all internal traffic by design, rendering empty network policy rules ineffective until you explicitly deny connections.
CI/CD accelerates delivery but often bypasses security checks, while DevSecOps embeds verification directly into the build process to catch flaws early.
Single sign-on shifts the attack surface from password storage to session management, requiring strict token validation and conditional access policies.
Confidential computing keeps data encrypted during processing, ensuring that even cloud providers cannot read the information while it is being computed.
Scanning code reveals configuration errors but misses runtime behavior, meaning static checks alone cannot guarantee a secure cloud environment.
Most cloud breaches occur not because encryption failed, but because the keys managing that encryption were stored in the same environment as the data they protected.
A landing zone forces security controls to exist before workloads arrive, preventing the common failure of retrofitting governance onto active, messy production environments.
Virtual machines provide hardware-level isolation that stops code escapes, while containers share the host kernel, creating a smaller footprint but a wider attack surface.
Isolating the network segment prevents lateral movement faster than terminating the compromised instance, preserving forensic evidence for later analysis.
Most insecure images hide their risk in metadata layers and implicit default configurations rather than obvious vulnerabilities.
Microsegmentation stops lateral movement by enforcing strict access controls between individual workloads, not just at the network perimeter.
Most small businesses lose track of cloud resources because automation creates assets faster than humans can log them.
A container escape breaches the host kernel, turning a contained process into a full system compromise that requires immediate host isolation.
Transform security rules into executable code to catch configuration errors before they reach production, reducing manual review time.