DDoS Protection Companies in the USA

  • Updated on June 4, 2025

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    In an era of rapidly evolving cyber threats, security monitoring services are becoming essential for safeguarding organizational digital assets. Continuous network activity surveillance and timely vulnerability detection help prevent attacks, such as DDoS, and minimize data breach risks. The future of this sector is tied to advancements in artificial intelligence and cloud-based solutions, which enhance the precision and scalability of monitoring. Selecting a trustworthy contractor in this field is critical. 

    An unsuitable choice may result in inadequate infrastructure protection, whereas a competent partner ensures uninterrupted security and swift threat response. This article examines leading companies offering security monitoring services, each providing distinct solutions to protect digital environments. Their approaches vary in technology and scope, but all are dedicated to delivering robust protection against modern cyber threats.

    1. A-Listware

    We are a technology company specializing in delivering comprehensive IT solutions, with a strong focus on safeguarding digital environments through vigilant monitoring and robust cybersecurity measures. Our expertise lies in providing services that ensure the security and performance of our clients’ infrastructures, including real-time threat detection and mitigation. By leveraging advanced technologies, we help businesses protect their critical assets from threats such as distributed denial-of-service (DDoS) attacks, ensuring uninterrupted operations and data integrity.

    Our approach integrates continuous surveillance with proactive defense strategies, allowing us to identify vulnerabilities and respond swiftly to potential risks. We offer tailored solutions that align with the unique needs of each client, from monitoring network traffic to implementing secure cloud-based systems. Our team combines technical proficiency with a deep understanding of cybersecurity challenges, enabling us to deliver reliable and efficient protection for web, mobile, and enterprise applications.

    Key Highlights: 

    • Integration of cloud technologies for secure infrastructure operations
    • Creation of customized systems for protection against cyberattacks
    • Vulnerability analysis and rapid response to risks

    Services: 

    • Network traffic surveillance
    • DDoS attack prevention
    • Cloud infrastructure monitoring
    • Vulnerability assessment and mitigation

    Contact Information:

    2. Corero

    Corero specializes in delivering advanced cybersecurity solutions, with a strong emphasis on real-time threat detection and mitigation. The company provides robust tools designed to monitor and protect networks from malicious activities, ensuring continuous oversight of digital environments. Its offerings include comprehensive network security systems that actively track and neutralize threats, such as distributed denial-of-service (DDoS) attacks, through automated processes. By leveraging cutting-edge technology, Corero ensures that organizations can maintain operational continuity even under sophisticated cyber threats.

    The company’s focus on proactive monitoring enables it to identify anomalies and potential risks before they escalate. Its solutions are tailored to integrate seamlessly with existing infrastructure, providing detailed analytics and actionable insights to enhance network resilience. Corero’s commitment to precision in threat detection allows businesses to safeguard critical assets while maintaining performance and uptime.

    Key Highlights:

    • Expertise in real-time network threat detection and mitigation
    • Development of automated systems for continuous monitoring
    • Integration of analytics for detailed threat visibility

    Services:

    • Network threat monitoring
    • DDoS attack mitigation
    • Real-time analytics and reporting
    • Automated threat response

    Contact Information:

    • Website: www.corero.com
    • E-mail: info@corero.com
    • Twitter: x.com/corero
    • LinkedIn: www.linkedin.com/company/corero
    • Address: 293 Boston Post Road West, Suite 310 Marlborough, MA 01752
    • Phone: +1 978 212 1500

    3. Sucuri

    Sucuri is a cybersecurity firm dedicated to protecting websites and online platforms through vigilant monitoring and rapid response mechanisms. Its core expertise lies in identifying and resolving security vulnerabilities, ensuring that digital assets remain secure from threats like malware and DDoS attacks. Sucuri offers a suite of tools that provide ongoing surveillance of websites, detecting irregularities and enabling swift remediation to prevent downtime or data breaches.

    The company emphasizes accessibility, delivering solutions that cater to businesses of varying sizes, from small blogs to large e-commerce platforms. Its monitoring systems are designed to scan websites continuously, offering insights into potential risks and performance issues. Sucuri’s approach combines user-friendly interfaces with powerful backend technology, allowing clients to maintain secure and reliable online presences without requiring extensive technical expertise.

    Key Highlights:

    • Focus on website security and performance monitoring
    • Tools designed for businesses of all sizes
    • Continuous scanning for vulnerabilities and threats

    Services:

    • Website threat monitoring
    • Malware detection and removal
    • DDoS protection
    • Performance optimization

    Contact Information:

    • Website: sucuri.net
    • E-mail: labs@sucuri.net
    • Facebook: www.facebook.com/SucuriSecurity
    • Twitter: x.com/sucurisecurity
    • LinkedIn: www.linkedin.com/company/sucuri-security
    • Instagram: www.instagram.com/sucurisecurity
    • Phone: +1-888-873-0817

    4. Nexusguard

    Nexusguard is a cybersecurity provider that excels in delivering cloud-based security solutions to combat network threats. Its primary focus is on monitoring and mitigating large-scale cyber threats, such as DDoS attacks, through scalable and adaptive technologies. By utilizing a global network of scrubbing centers, Nexusguard ensures that businesses can maintain uninterrupted service during attack scenarios, with monitoring systems that provide real-time visibility into traffic patterns and potential disruptions.

    The company’s strength lies in its ability to customize solutions for specific industries, offering tailored monitoring that aligns with unique operational needs. Nexusguard’s platforms provide detailed reporting and analytics, enabling organizations to understand and respond to threats effectively. Its emphasis on cloud-based delivery ensures flexibility and rapid deployment, making it a reliable choice for businesses seeking robust security monitoring.

    Key Highlights:

    • Utilization of cloud-based technologies for scalable monitoring
    • Global network of scrubbing centers for threat mitigation
    • Customizable solutions for industry-specific needs

    Services:

    • Network traffic monitoring
    • DDoS attack prevention
    • Cloud-based threat mitigation
    • Detailed security analytics

    Contact Information:

    • Website: www.nexusguard.com
    • E-mail: media@nexusguard.com
    • Facebook: www.facebook.com/nxg.pr
    • Twitter: x.com/Nexusguard
    • LinkedIn: www.linkedin.com/company/nexusguard
    • Address: 548 Market St #15269 San Francisco, CA 94104, United States
    • Phone: +1 415 299 8550

    5. SiteLock

    SiteLock is a cybersecurity company that focuses on securing websites through continuous monitoring and proactive threat prevention. Its services are designed to detect vulnerabilities, malware, and other risks that could compromise online platforms. SiteLock’s monitoring tools provide daily scans and alerts, ensuring that website owners are promptly informed of potential issues. The company also offers solutions to protect against DDoS attacks, maintaining website availability and performance under pressure.

    What sets SiteLock apart is its commitment to automation, with systems that not only identify threats but also take immediate action to mitigate them. Its user-centric approach includes intuitive dashboards and reporting tools, allowing clients to track security status effortlessly. SiteLock’s solutions are scalable, making them suitable for small businesses and large enterprises alike, with a focus on delivering reliable protection without complexity.

    Key Highlights:

    • Automated threat detection and mitigation processes
    • Daily website scanning for comprehensive monitoring
    • Intuitive dashboards for easy security management

    Services:

    • Website vulnerability monitoring
    • Automated malware removal
    • DDoS attack protection
    • Security status reporting

    Contact Information:

    • Website: www.sitelock.com
    • Twitter: x.com/SiteLock
    • LinkedIn: www.linkedin.com/company/sitelock
    • Phone: (877) 846 6639

    6. Datadog

    Datadog provides a comprehensive platform for observing and securing cloud-based infrastructures, with a strong focus on monitoring network activities and detecting potential threats. Its solutions enable organizations to gain deep visibility into their systems by tracking performance metrics and identifying anomalies in real time. The company’s tools are designed to monitor applications, servers, and networks, offering insights that help prevent security incidents, including those related to distributed denial-of-service (DDoS) attacks.

    The platform’s strength lies in its ability to aggregate data from diverse sources, creating a unified view of system health and security. By integrating advanced analytics and machine learning, Datadog helps businesses detect suspicious patterns and respond promptly to mitigate risks. Its monitoring capabilities extend to detailed log analysis and event correlation, ensuring that organizations can maintain robust defenses against evolving cyber threats.

    Key Highlights:

    • Real-time monitoring of cloud and hybrid environments
    • Integration of machine learning for anomaly detection
    • Unified data aggregation from multiple sources

    Services:

    • System performance monitoring
    • Threat detection and anomaly tracking
    • Log analysis and event correlation
    • DDoS attack monitoring

    Contact Information:

    • Website: www.datadoghq.com
    • E-mail: info@datadoghq.com
    • Twitter: x.com/datadoghq
    • LinkedIn: www.linkedin.com/company/datadog
    • Instagram: www.instagram.com/datadoghq
    • Address: 620 8th Ave 45th Floor, New York, NY 10018, USA
    • Phone: 866 329-4466

    7. Alert Logic

    Alert Logic specializes in delivering managed cybersecurity solutions that emphasize continuous surveillance and threat management. Its services focus on identifying and neutralizing risks across cloud, on-premises, and hybrid environments, with tools designed to monitor network traffic and detect malicious activities. The company provides real-time insights into potential vulnerabilities, enabling businesses to address threats like DDoS attacks before they disrupt operations.

    The company’s approach centers on combining automated monitoring with expert analysis, offering clients actionable intelligence to strengthen their security posture. Alert Logic’s platforms are built to scale with organizational needs, providing tailored solutions that integrate seamlessly with existing systems. Its focus on proactive threat hunting ensures that businesses can stay ahead of sophisticated cyberattacks while maintaining operational continuity.

    Key Highlights:

    • Combination of automated tools and expert analysis
    • Scalable solutions for diverse environments
    • Proactive threat hunting capabilities

    Services:

    • Network traffic surveillance
    • Threat hunting and detection
    • DDoS attack mitigation
    • Vulnerability management

    Contact Information:

    • Website: www.alertlogic.com
    • E-mail: alertlogic-info@fortra.com
    • Facebook: www.facebook.com/alertlogic
    • Twitter: x.com/alertlogic
    • LinkedIn: www.linkedin.com/company/alert-logic
    • Phone: +1 877 484 83 83

    8. Lumen

    Lumen offers a suite of cybersecurity services designed to protect digital infrastructures through advanced monitoring and rapid threat response. Its solutions focus on safeguarding networks from disruptions, with a particular emphasis on detecting and mitigating large-scale attacks such as DDoS. By leveraging a global network and high-capacity scrubbing centers, Lumen provides real-time traffic analysis to ensure businesses remain operational under attack conditions.

    The company’s monitoring systems are powered by proprietary threat intelligence, enabling precise identification of malicious activities. Lumen’s services are designed to adapt to evolving threats, offering customizable options that align with specific business requirements. Its emphasis on automated countermeasures and detailed reporting helps organizations maintain control over their security environment while minimizing downtime.

    Key Highlights:

    • Utilization of global scrubbing centers for threat mitigation
    • Proprietary threat intelligence for precise monitoring
    • Customizable security options for specific needs

    Services:

    • Network traffic analysis
    • DDoS threat mitigation
    • Automated attack response
    • Security reporting and insights

    Contact Information:

    • Website: www.lumen.com
    • Facebook: www.facebook.com/lumentechnologies
    • Twitter: x.com/lumentechco
    • LinkedIn: www.linkedin.com/company/lumentechnologies
    • Phone: 800‑871‑9244

    9. GTT

    GTT delivers network security solutions that prioritize continuous monitoring and protection against cyber threats. Its services are tailored to ensure uninterrupted access to critical applications and data, with a focus on detecting and neutralizing threats like DDoS attacks. By employing advanced technologies, GTT provides detailed visibility into network traffic, enabling businesses to respond swiftly to potential disruptions.

    The company’s strength lies in its flexible approach, offering both always-on and on-demand monitoring options to suit varying organizational needs. GTT’s platforms integrate deep packet inspection and traffic profiling, providing granular insights into potential threats. This enables businesses to maintain secure and reliable network operations, even in the face of sophisticated cyberattacks.

    Key Highlights:

    • Flexible always-on and on-demand monitoring options
    • Deep packet inspection for detailed traffic analysis
    • Tailored solutions for mission-critical applications

    Services:

    • Network activity monitoring
    • DDoS attack prevention
    • Traffic profiling and analysis
    • Real-time threat neutralization

    Contact Information:

    • Website: www.gtt.net
    • E-mail: noc@gtt.net
    • Facebook: www.facebook.com/GTTCommunications
    • Twitter: x.com/gttcomm
    • LinkedIn: www.linkedin.com/company/gtt
    • Address: Pinebrook Business Center II 2550 Eisenhower Avenue Bldg. A, Suite A102 Norristown, PA 19403, USA
    • Phone: +1 215 999 6042

    10. Liquid Web

    Liquid Web provides hosting and security solutions with a strong emphasis on protecting servers and websites through vigilant monitoring. Its services are designed to detect and mitigate threats, including DDoS attacks, by analyzing network traffic in real time. The company offers a range of tools that ensure websites and applications remain accessible, even during high-volume attack scenarios, with a focus on maintaining performance and uptime.

    The company’s monitoring approach includes intelligent threat detection systems that identify malicious traffic at the network’s edge. Liquid Web’s solutions are particularly suited for businesses seeking seamless integration with hosting services, offering automated countermeasures and detailed alerts to keep clients informed. Its commitment to rapid response ensures that threats are addressed before they impact critical infrastructure.

    Key Highlights:

    • Real-time traffic analysis at the network edge
    • Integration with hosting services for seamless protection
    • Intelligent threat detection systems

    Services:

    • Server traffic monitoring
    • DDoS attack scrubbing
    • Automated threat countermeasures
    • Security alert and reporting

    Contact Information:

    • Website: www.liquidweb.com
    • Phone: 800 580 4985

    11. InMotion Hosting

    InMotion Hosting provides web hosting services with a strong emphasis on securing digital environments through vigilant monitoring and threat mitigation. Its offerings include tools designed to track server performance and detect malicious activities, ensuring that websites remain operational and protected from threats like DDoS attacks. The company integrates security monitoring into its hosting plans, delivering real-time alerts and automated responses to potential vulnerabilities.

    The company’s approach focuses on seamless integration of security features, such as malware scanning and firewall management, into its hosting infrastructure. This allows businesses to maintain secure websites without needing extensive technical expertise. InMotion Hosting’s monitoring systems provide detailed insights into server health and traffic patterns, enabling prompt action to safeguard critical assets and ensure uptime.  

    Key Highlights:

    • Real-time server performance tracking
    • Automated malware scanning and removal
    • Integration of firewall management tools

    Services:

    • Server activity monitoring
    • DDoS attack mitigation
    • Malware detection and removal
    • Security alert reporting

    Contact Information:

    • Website: www.inmotionhosting.com
    • E-mail: sales@inmotionhosting.com
    • Facebook: www.facebook.com/inmotionhosting
    • Twitter: x.com/inmotionhosting
    • LinkedIn: www.linkedin.com/company/inmotion-hosting
    • Address: 555 S. Independence Blvd., Virginia Beach, VA 23452
    • Phone: 757-416-6575 

    12. DreamHost

    DreamHost offers a range of hosting services with a focus on protecting websites through continuous surveillance and proactive security measures. Its solutions include automated tools that monitor for threats like malware and DDoS attacks, ensuring that websites remain accessible and secure. The company’s security monitoring capabilities are embedded within its hosting plans, providing clients with real-time updates and safeguards against cyber threats.  

    The company’s strength lies in its custom-built control panel, which simplifies the management of security settings and monitoring data. DreamHost’s systems are designed to detect and block malicious traffic automatically, minimizing disruptions. By leveraging solid-state drives and advanced caching, the company ensures that its monitoring tools operate efficiently, supporting website performance alongside robust security.  

    Key Highlights:

    • Custom control panel for security management
    • Automated detection of malicious traffic
    • Utilization of solid-state drives for efficiency

    Services:

    • Website threat surveillance
    • DDoS protection
    • Malware scanning and blocking
    • Security status updates

    Contact Information:

    • Website: www.dreamhost.com
    • Facebook: www.facebook.com/DreamHost
    • Twitter: x.com/dreamhost
    • Instagram: www.instagram.com/dreamhost

    13. SiteGround

    SiteGround delivers hosting solutions with a strong focus on monitoring and securing websites against cyber threats. Its services include advanced tools that track website activity and identify potential risks, such as DDoS attacks and malware infections. The company’s monitoring systems are designed to provide real-time notifications and automated responses, helping businesses maintain secure and reliable online presences.  

    The company’s approach emphasizes proactive defense, with features like an advanced web application firewall that filters harmful traffic. SiteGround’s monitoring tools are integrated with daily backups and vulnerability scans, ensuring comprehensive protection. Its platforms are optimized for speed and security, allowing clients to access detailed reports and manage threats effectively through a user-friendly interface.

    Key Highlights:

    • Advanced web application firewall for traffic filtering
    • Daily backups integrated with monitoring
    • User-friendly interface for threat management

    Services:

    • Website activity tracking
    • DDoS threat prevention
    • Malware detection and mitigation
    • Automated backup and restore

    Contact Information:

    • Website: www.siteground.com
    • Facebook: www.facebook.com/siteground
    • Twitter: x.com/siteground
    • Instagram: www.instagram.com/siteground
    • Address: 700 N. Fairfax St, Suite 614 Alexandria, 22314 VA
    • Phone: +1 800 828 9231

    14. Hosting.com

    Hosting.com provides cloud and hosting services with a focus on securing digital infrastructures through continuous monitoring and threat response. Its solutions are tailored to detect and neutralize risks, including DDoS attacks, by analyzing network traffic in real time. The company’s monitoring tools offer insights into system performance and security events, enabling businesses to maintain operational stability.

    The company’s strength lies in its scalable cloud-based platforms, which allow for flexible monitoring tailored to specific needs. Hosting.com’s services include automated threat detection and mitigation, supported by detailed analytics that help clients understand and address vulnerabilities. Its focus on rapid response ensures that threats are managed efficiently, minimizing impact on website availability and performance.

    Key Highlights:

    • Scalable cloud-based monitoring solutions
    • Automated threat detection mechanisms
    • Detailed analytics for vulnerability insights

    Services:

    • Network traffic surveillance
    • DDoS attack neutralization
    • Automated threat mitigation
    • Security analytics and reporting

    Contact Information:

    • Website: hosting.com
    • Facebook: www.facebook.com/wearehostingcom
    • Instagram: www.instagram.com/wearehostingcom
    • Phone: +1 (734) 222-4678

    15. GreenGeeks

    GreenGeeks offers eco-friendly hosting services with a strong emphasis on monitoring and protecting websites from cyber threats. Its security solutions include tools that continuously scan for malware and monitor network traffic to prevent disruptions, such as DDoS attacks. The company integrates real-time threat detection into its hosting plans, ensuring that clients receive timely alerts and automated protections.  

    The company’s monitoring systems are designed to operate across multiple data centers, providing comprehensive coverage and rapid response capabilities. GreenGeeks’ approach includes proactive measures like server isolation and custom caching, which enhance security without compromising performance. Its commitment to accessibility ensures that businesses of all sizes can leverage robust monitoring tools through intuitive dashboards.  

    Key Highlights:

    • Monitoring across multiple data centers
    • Server isolation for enhanced security
    • Custom caching for performance and protection

    Services:

    • Website threat monitoring
    • DDoS attack prevention
    • Malware scanning and removal
    • Security alert and reporting

    Contact Information:

    • Website: www.greengeeks.com
    • E-mail: sales@greengeeks.com
    • Facebook: www.facebook.com/greengeeks
    • Instagram: www.instagram.com/gogreengeeks
    • Address: 1401 Pennsylvania Ave, Suite 105 Wilmington, DE 19806
    • Phone: 877-326-7483

    Conclusion

    Security monitoring remains a cornerstone of protecting digital assets amid increasingly sophisticated cyber threats. The companies reviewed offer diverse approaches to ensuring security, from cloud-based solutions to automated threat detection systems, enabling organizations to effectively counter attacks like DDoS and minimize risks. Each showcases unique technologies and methods focused on continuous surveillance and rapid response to potential vulnerabilities. 

    Selecting a reliable contractor in this field is critical. An unsuitable partner may leave infrastructure exposed, while a professional service provider delivers consistent protection and adaptability to emerging challenges. Careful evaluation of needs and contractor capabilities helps organizations strengthen their digital defenses and maintain uninterrupted operations.

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