AT&T Cybersecurity is a managed security service provider for network security, extended detection and response, and endpoints. From traditional computing to edge computing, the company focuses on providing strategic services to customers.

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AT&T Cybersecurity

Formerly	AlienVault (2007-2019)
Company type	Subsidiary
Industry	Managed security services, Managed security service provider (MSSP)
Founder	Julio Casal Dominique Karg Ignacio Cabrera Alberto Roman
Headquarters	Dallas, Texas, US
Parent	AT&T Communications (2018-present)
Website	cybersecurity.att.com

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AT&T Cybersecurity offers a paid security platform, called Unified Security Management, that integrates threat detection, incident response, and compliance management into one application. Threat applications are offered via hardware, virtual machines, and as a cloud service. Other services that AT&T provides include network vulnerability scanning, vulnerability assessment, and vulnerability management. The Open Threat Exchange (OTX) allows security experts to research and collaborate on threats, compare data, and integrate threat information into their security systems. OTX uses natural language processing and machine learning.

• Cyber Defense Awards awarded AT&T Cybersecurity as a Market Leader in 3 categories, including Endpoint Security, MSSP and Network Security Management in their Global InfoSec Awards in 2022.^[1]
• Business Intelligence Group named AT&T Managed XDR as a product category winner in their Fortress Cybersecurity Awards in 2022.^[2]