![](https://www.scworld.com/wp-content/uploads/2021/03/ATT-985x1024.png)
FINALIST | BEST MANAGED SECURITY SERVICE
AT&T MANAGED SECURITY SERVICES
Company: AT&T Cybersecurity
Noteworthy: Security operations centers fueled with continuous threat intelligence backed by the Open Threat Exchange (OTX), a community of over 145,000 cybersecurity professionals submitting more than 20 million threat indicators per day.
![](https://www.scworld.com/wp-content/uploads/2021/03/Castra-1-1024x576.jpg)
FINALIST | BEST MANAGED SECURITY SERVICE
ELITE MANAGED SERVICE
Company: Castra Managed Services
Noteworthy: With over 2,000 customers on six continents, Castra monitors and manages over 33+ trillion events per day and over 400,000+ customer assets.
![](https://www.scworld.com/wp-content/uploads/2021/03/eSentire-1024x576.jpeg)
FINALIST | BEST MANAGED SECURITY SERVICE
ESENTIRE MANAGED DETECTION AND RESPONSE
Company: eSentire
Noteworthy: Security operations center has over the past 12 months stopped more than 2 billion signals that bypassed traditional security controls.
![](https://www.scworld.com/wp-content/uploads/2021/03/Crowdstrike-1-1024x576.jpg)
FINALIST | BEST MANAGED SECURITY SERVICE
FALCON COMPLETE
Company: CrowdStrike
Noteworthy: Comes with a guarantee that CrowdStrike will provide up to $1 million of coverage to address breaches that occur within the protected environment.
![](https://www.scworld.com/wp-content/uploads/2021/03/Rapid7-Managed-Services-1024x576.jpg)
FINALIST | BEST MANAGED SECURITY SERVICE
RAPID7 MANAGED SERVICES
Company: Rapid7
Noteworthy: Provides real-time insight into vulnerabilities and attackers by leveraging research projects (Sonar, Heisenberg), pentesting, Cyber Threat Alliance, Metasploit community and customers' 1.2+ trillion weekly security events.