About Tier 4 Security
Security Built by Practitioners, for Practitioners.
At Tier4Security Inc., we believe that effective cybersecurity shouldn't be defined by the size of your budget, but by the precision of your data. Our platform and tools were born out of a simple observation: security teams are drowning in "noise" while struggling to find actionable, framework-aligned intelligence.
We created Tier4Security Inc. to bridge the gap between complex raw data and resilient defense.
Our Mission
Our mission is to democratize enterprise-grade threat intelligence and SIEM optimization. We provide the tools, vetted feeds, and detection logic necessary for organizations to move beyond reactive security and achieve true operational resilience.
What Sets Us Apart
Zero-Noise Philosophy: We don't believe in dumping thousands of unverified indicators into your environment. Our T4S Threat Intelligence Feedis daily-curated and expertly scored, ensuring that your team focuses only on what matters.
Total Framework Alignment: As practitioners, we know that "partial coverage" is a liability. That is why our detection library is built for total MITRE ATT&CK alignment, covering techniques and sub-techniques to ensure no stone is left unturned.
Community & Transparency: We lean into technical transparency. Through our TAXII 2.1-compliant servers and open GitHub presence, we support the global security community by sharing high-fidelity data and ready-to-use detection logic.
Our Core Pillars
Precision Intelligence: Utilizing our IoC Scanner and curated feeds to provide instant, trusted insights into suspicious IPs, domains, and hashes.
Data-Driven Analytics: Turning raw log samples into MITRE ATT&CK-mapped, deployable detections for Microsoft Sentinel and Splunk, so coverage gaps are closed with evidence rather than assumptions.
Operational Resilience: Moving security teams from manual, reactive analysis to evidence-driven, repeatable detection engineering.
Join Our Mission
Whether you are a small team looking for your first vetted feed or an enterprise SOC looking to validate SIEM gaps, Tier4Security Inc. is built to scale with you.
Open Positions
Sr. Microsoft Sentinel Engineer
United States · Remote (US-only) · Full-time
Design and maintain Microsoft Sentinel detection content, analytics rules, and workbooks for our customers. Partner with our detection engineering and threat intelligence teams to turn raw log data into MITRE ATT&CK-mapped detections, and help customers close SIEM coverage gaps.