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Access Point

June 20, 2025

Access Point

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cyber risk assessment insurance cybersecurity best practices define RMM authentication TPRM ecosystem flaw hypothesis methodology high assurance guard 3rd party third-party CISO vulnerability What is an Access Point?

In cybersecurity, an Access Point (AP), specifically a wireless AP, is a device that connects wireless devices to a wired networkIt acts as a bridge, enabling devices like laptops and smartphones to access the internet or other network resources wirelessly. While often combined with a router in home settings, the AP is a distinct component responsible for wireless signal transmission and reception. 

APs in cybersecurity:

  • Functionality: To receive data from the wired network, convert it into a radio signal or bluetooth, and transmit it to wireless devices. They also receive signals from devices and convert them back to wired signals. 
  • Security Risks: Improperly secured APs can be a major vulnerability. Attackers can exploit weak passwords, outdated firmware, or misconfigured settings to gain access to the network. 
  • Rogue Access Points: Unauthorized APs, also known as rogue APs, pose a significant threat. These can be set up by malicious actors to intercept data or launch further attacks. 
  • Security Measures: To mitigate risks, it’s crucial to secure access points by using strong passwords, enabling encryption (like WPA2/3), regularly updating firmware, and implementing MAC address filtering. 
  • Distinction from Routers: While some devices combine access point and router functionalities, it’s important to understand their separate roles. Routers manage network traffic and routing, while access points handle the wireless connection. 

Definition

A device that logically connects wireless client devices operating in infrastructure to one another and provides access to a distribution system, if connected, which is typically an organization’s enterprise wired network.
SOURCE: SP 800-48; SP 800-121

NIST Definition