Lance Rosengarten

ABOUT ME

I'm a cybersecurity professionial with over a decade of experience across sales, IT, and cybersecurity, I specialize in risk reduction, compliance, vulnerability management, customer service, and retention. My work has helped organizations retain millions in revenue and stay ahead of evolving and rising threats. I thrive on crafting secure systems and immersive experiences, whether it's patching vulnerabilities, designing dashboards, or protecting personal information. Please feel free to reach out if you have any questions, a role to be filled, or want to start a project, let’s build something bold, secure, and unforgettable.

SKILLS

Certifications & Standards: NIST SP 800-53A Rev 5, CMMC, ISO 27001, CIS CSAT, CompTIA Security+ Certifications
Security Operations: Incident Detection and Response, SIEM, Vulnerability scanning, Remediation, Risk Assessments, Security Event Monitoring, Security Tools Management, Information Security Knowledge, Networking Knowledge
Technical Tools & Platforms: CyberArk, CrowdStrike, Rapid7, JumpCloud, Splunk, Zendesk, ServiceNow, Elastic Stack, Salesforce.com, Citrix, Window OS, Linux, MDM, IAM, MS Office Proficiency
Core Competencies: Troubleshooting, Cybersecurity, Project Management, Time Management, Communication, Problem Solving, Problem Resolution Skills, Mentorship & Leadership, Active Listener, Meticulous, Customer Service, People Skills, Training & Awareness

EXPERIENCE

Cybersecurity Analyst – CommonSpirit Health
Feb 2025–Jun 2025

Conducted audit reports on baseline builds for Windows Servers, MacOS, Linux assets, and network devices; ensured compliance with CIS controls, organizational standards, and industry requirements, aligning with data protection best practices.
Cybersecurity Consultant – Cyvergance.AI
Mar 2023–Mar 2025

Spearhead risk mitigation efforts. Handle IAM and SIEM tool incident monitoring and response, JumpCloud administration and continuous monitoring. Presented on CIS Controls and Cybersecurity current events. Develop written policies and procedures based on NIST.
Sales Support – Johnson Controls, Inc.
Sept 2015–Feb 2025

Dispatched on alarms, performed technical troubleshooting, support Salesforce.com, contract negotiations, customer retention, oversaw billing dispute, and processed and researched payments. Managed BBB and social media complaints, and customer escalations from CEO and VPs and managed different projects.

HACK THE BOX PROFILE

Hack The Box Labs

Penetration testing enthusiast on HTB.
Rank: Hacker | Global Rank: 898

Hack The Box - Academy

Ranking: Top 1% | Targets Compromised: 212

🔗 View my HTB Profile
📄 Download HTB Transcript

Home Labs/Projects

Various Virtual Machines

Multiple VMs with Windows Server, Ubuntu, Kali and ParrotOS

Hardware

TP Link router for penetration testing, Netgear Switch GS10BE, and WIFI Pineapple.