Beariver Security

"We hunt for threats like a bear hunts for salmon in the river."

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WHAT WE OFFER

Scope Our Services

Identity Threat Detection & Response (IDTR)

Monitor AD/Entra/Okta for credential abuse and auto-contain takeover attempts.

Network Detection & Response (NDR)

Catch lateral movement, C2 beacons, and exfiltration across on-prem and cloud.

Endpoint Detection and Response (EDR)

Detect, isolate, and remediate endpoint threats with rapid rollback.

Cloud Security

Fix misconfigs and enforce least privilege with continuous posture across AWS, Azure, and GCP.

Managed SIEM

We run and tune Splunk/Sentinel/Elastic/Chronicle for high-signal, 24/7 monitoring.

Threat Hunting

Proactive hunts across EDR/SIEM/NDR to find stealthy attackers and close gaps.

Email Security / DLP/ Security Awareness

Block phishing/BEC and stop sensitive data from leaving via email or cloud. We also provide proactive training & phishing simulations to prepare your organization in these situations.

Pentesting / Red Team / Vulnerability Assessments

Validate exploits, emulate adversaries, and prioritize fixes with clear reporting.

Who We Are

Beariver Security is a cybersecurity consulting & managed services firm that targets small businesses that get overlooked due to their size. We specialize in both the offensive & defensive sides of security to help you detect and contain faster, cut breach risk, and strengthen a compliance-ready security posture across your stack.

Douglas Osorio

Douglas Osorio is the founder of Beariver Security, based in Atlanta, GA. His passion for technology started early and evolved into a career in cybersecurity after earning a BBA in Computer Information Systems with a Cybersecurity specialization from Georgia State University. He began as a Network Security Engineer at Delta Air Lines, managing firewalls, proxies, and VPNs, later transitioning into Incident Response and Blue Team operations to broaden his expertise. After nearly seven years at Delta, Douglas founded Beariver Security to bring enterprise-level protection to small businesses. He remains active in the cybersecurity community, continually learning, teaching, and contributing to industry growth.