How the AAA server ensures security in telecom networks

Introduction

In 2020, around 22 billion internet of things (IoT) connected devices were in use worldwide, a number that’s expected to reach 50 billion by 2030, according to Statista. As networks become more complex and vast, configuring and controlling access to ensure security in the absence of Authentication, Authorization, and Accounting (AAA) is virtually impossible. Put simply, AAA is one of the gatekeepers of the modern telecommunications network. And while we all know that it is integral to every network today, it deserves more credit than its usually given in ensuring the security of a modern network.

How AAA works

The AAA server does just as its name suggests: it authenticates or validates subscribers and their credentials, verifies what services and QoS each subscriber is authorized to access, and ensures proper accounting so that customers are accurately billed for the services they use.

Authentication

The first step in AAA security is Authentication. It serves as the first line of defense in protecting network resources against fraud and identity theft, employing multimodal authentication methods.

Authorization

Once authenticated, the next step for the AAA is determining what policies apply to the user. These policies will govern the user’s authorization levels, defining what resources, services, and QoS the user can access.

Accounting

The final step for the AAA server is to take stock of the network resources accessed by the user, such as data consumption and duration of their session.

Benefits of AAA security

AAA offers a host of technical benefits for operators in implementing network security:

  • As cases of data breaches such as identity theft continue to increase, telecom AAA assumes a vital role in strengthening a telco’s data assets by enabling sound practices in identity and access management.
  • With AAA, controlling access does not require a statically configured network, pre-defined connectivity modes, fixed or immovable systems, or even fixed IP addresses by enabling operators to secure the network using more granular techniques such as integrating user directories to provide access to specific groups of users. This dynamic approach is especially relevant given the growing number of devices accessing the network through various means.
  • It grants operators more control and flexibility in configuring network access, and also lets operators implement multiple standardized authentication methods.
  • It employs several back-up systems to ensure redundancy if one security server is down or there is excessive network congestion.
  • A centralized security database grants specific access to each user using their unique credentials, enabling easy and swift access termination for inactive or banned users.

How Alepo AAA can help mitigate network risks

Alepo’s modern and scalable AAA Server enables flexible configuration and control over how network resources are used. It provides failsafe systems to ensure that there are no lapses in security even during network outages.

Our next-gen products and solutions include Digital BSS, 5G Core, Carrier WiFi (monetization & offload), AAA/virtualized AAA, and more. alepo.com/contact-us/