ACS (Access Control System)

What is an access control system (ACS)

An ACS (access control system) is a set of software and hardware tools designed to restrict, permit and automatically record access of people and vehicles to a protected territory. A modern access control system is an integral element of security for any facility, from a small office to a large industrial enterprise. It allows not only controlling the access regime, but also keeping accurate records of employees' working time, as well as integrating with video surveillance and alarm systems to create a comprehensive security system.

ACS is widely used in government institutions, banks, industrial enterprises, educational institutions, medical centers and shopping malls. According to analysts, the ACS market in Russia grows by 10-15% annually, which is associated with increased security requirements and the development of biometric technologies.

ACS is also a mandatory element of protection of critical information infrastructure (CII) facilities, where access control must comply with strict regulatory requirements.

ACS components

The basis of any ACS is made up of key components working in close interconnection. These are controllers — control devices that store the key database and make access decisions; readers that identify the user by card, Touch Memory key or biometric data; and actuators, such as electric locks, turnstiles and barriers, which physically open or block the passage. The entire system is managed through specialized software that allows configuring access rights, generating reports and monitoring events in real time.

Modern ACS also include modules for integration with video surveillance systems (VMS), alarm systems and building management systems (BMS). This allows creating a unified security management center that provides full control over all systems.

Various types of identifiers are used to identify users in ACS: access cards (MIFARE, EM-Marine, HID), Touch Memory electronic keys, biometric data (fingerprints, vein patterns, facial geometry) and mobile devices (smartphones with NFC). The choice of identifier type depends on the required security level and ease of use.

ACS classification

Access control systems are classified according to several criteria. By management method they are divided into standalone (for a single passage point) and networked (for centralized management at large facilities). By identifier type, there are card-based, key-based, as well as biometric ACS systems that use fingerprints, vein patterns or facial geometry for identification. Biometric solutions, such as Biomark products, are the modern security standard, since the identifier cannot be lost or copied. The Fintech company offers a full range of services: from designing comprehensive security systems to installation and commissioning of ACS of any complexity.

By architecture, ACS are divided into centralized (all decisions are made on the server) and decentralized (controllers make decisions autonomously). Centralized systems provide more flexible management and auditing, but require a reliable network. Decentralized systems are more reliable, since they remain operational when communication with the server is lost.

ACS integration with other systems

ACS integrates with video surveillance systems for automatic video recording when passing through a turnstile or door. This allows recording all events and using video to investigate incidents. ACS also integrates with alarm systems to automatically lock doors when motion sensors or window opening sensors are triggered.

For government organizations, integration of ACS with identification and authentication systems is important, which allows using a single identifier for access to premises and information systems. This increases employee convenience and reduces access management costs.

In the future, ACS will develop towards using mobile devices as identifiers (mobile passes) and introducing artificial intelligence technologies for automatic facial recognition and behavior analysis. This will allow creating a new generation of access control systems that will not only restrict access, but also predict potential threats.