Explore a threat-informed approach to measuring cybersecurity effectiveness
Proactive Cyber Defense,
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Reduce Risk Before Incidents Occur
Modern security environments are increasingly fragmented across infrastructure, identity platforms, SIEM, MDR/XDR and countless platforms in the security TDIR stack. Proactive Cyber Defense helps you reduce risk before incidents occur. Adopt the service without replacing current tooling, telemetry pipelines or operational pipelines.
No Rip-and-Replace
Most security operations are strongest at detection and response. Proactive Cyber Defense focuses on the operational work that happens before the SOC ticket gets opened, where TekStream helps you to identify exploitable exposure, surface adversary behavior, and continuously strengthen defenses before incidents escalate.
End the Chaos Across Security and Observability
Independent research across hundreds of enterprise SIEMs found that organizations have enough telemetry to detect over 90% of known adversary techniques — but detection engineering gaps mean actual coverage sits at just 21%. The data is there. The visibility isn’t.
Critical Proactive Functions
Most companies face increasingly fragmented security environments, expanding attack surfaces, and AI-accelerated attacks that move faster than traditional security operations can adapt.
Even with heavy investment in MDR, SIEM, XDR, cloud security, and observability capabilities, the critical proactive functions often remain manual, periodic, or disconnected across environments.
The end of disconnected security operations is within reach.
Expert-Operated.
AI-Augmented.
Continuously Hardened.
Traditional SOC operations struggle to keep pace with autonomous adversaries. TekStream isn’t offering a faster version, this is a different architecture.
- AI does the heavy lifting
- Expert operators govern every outcome
- Every engagement makes the system harder to breach
TekStream Proactive Cyber Defense focuses on customer-specific exploitable risk. Response is targeted and precise.
“TekStream has earned our trust by bringing practical expertise to one of the hardest problems in security: connecting what we know about modern adversaries to what is happening across the environment. Early in the program, we have seen value in the ability to emulate our environment, enrich attack scenarios with threat intelligence and operationalize that insight in production detection workflows. The most useful alerts are the ones that connect relevant user, endpoint and network signals in context, so our team can assess risk and respond with greater confidence. As AI changes the sophistication, speed and scale of cyber activity, we believe proactive defense is becoming essential. This is the direction security needs to move, toward a more adaptive operating model where every controlled test helps make the organization better prepared.”
Sumit Jain
CISO at Louisiana State University
Designed to Give you More from Your Existing Security Investments
Proactive Cyber Defense works alongside current MDR, SIEM, XDR, cloud, endpoint, identity, and observability investments, helping companies operationalize and strengthen the tools they already have in place. Organizations can improve operational resilience without replacing existing platforms, workflows, telemetry pipelines, or security providers.
Powered by Cosmos
Cosmos is TekStream’s Cyber Defense intelligence platform, designed to correlate adversary behavior, exposure intelligence, operational telemetry and detection insights across fragmented environments.
By analyzing patterns observed across the broader threat landscape, Cosmos continuously strengthens the hunt, hardening, and detection engineering workflows delivered through the service.
What makes the model different is that intelligence compounds over time. Every adversary technique identified across the broader threat landscape helps strengthen the defense model. The intelligence that compounds is adversary knowledge, including attack patterns, TTPs, exposure intelligence, and detection logic, never customer data.
Start Where You Are.
Strengthen What You Already Have.
Proactive Cyber Defense is designed to complement existing security operations and technology investments, not replace them.
The service integrates alongside existing:
• MDR/XDR providers
• SIEM platforms
• Endpoint security tools
• Cloud security environments
• Identity platforms
• Incident response workflows
No forced platform migration.
No SIEM dependency.
No disruption to current operations.
See the threat before it materializes.
Contact the Experts
Location
1117 Perimeter Center West,
Suite E400
Atlanta, GA 30338
Contact Information
Email
info@tekstream.com