Nessus vs Qualys

Comparing Nessus and Qualys for vulnerability scanning

Nessus

Popular vulnerability scanner by Tenable

Pros

  • Large vulnerability database
  • Flexible deployment
  • Good reports
  • Simple interface

Cons

  • Per-IP licensing
  • No cloud management
  • Own server needed
  • Limited automation

Best For

Internal networksMid-size companiesRegular scanningCompliance

Qualys

Cloud-based vulnerability management platform

Pros

  • Cloud platform
  • Comprehensive solution
  • Good scalability
  • Risk prioritization

Cons

  • High cost
  • Complex setup
  • Cloud dependency
  • Overkill for small networks

Best For

EnterpriseLarge infrastructuresComprehensive managementMulti-cloud

Verdict

Nessus for mid-market and internal networks, Qualys for enterprise and cloud

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