Scanners

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Scanners are hardware or software tools that enable you to interrogate devices and networks for information.

• mainstay of the security testing and assessment industry

2 Categories

• Port Scanner
  • Nmap
• Vulnerability Scanner

Use Cases

• Network Security
  • scanners are typically used for discovering the networks and systems in an environment
• Operating System Security
  • use scanners to detect security flaws in your hosts
    • E.g.
      • look for open ports and versions of services that are running
      • examine banners that services display upon connection for information
      • examine the information your system displays over the network
  • Can use Nmap