David Teo Email & Phone Number

Dallas, Texas, US

• (Formerly AT&T Cybersecurity)
• Analyze DDoS and IDS/IPS alerts to detect attacks on AT&T Cybersecurity customers
• Leverage DDoS mitigation technologies like Arbor Netscout and Radware DefensePro to actively defend customers from distributed denial-of-service attacks
• Tune DDoS mitigations
• Act as a point of expert contact during a customer's incident response process
• Utilize Intrusion Detection tech like Fortigate, Cisco Firepower, McAfee, Palo Alto, etc.

Annapolis, Maryland, US

Tampa, Florida, US

• Provided incident response support and threat hunting in customer environments
• Tuned and developed Splunk ES use cases, normalized log source data into CIM-compliance
• Led incident investigations, performed root cause analysis and presented findings to clients
• Served as an escalation point for analysts to triage events and delegated tasks to squad

Tampa, Florida, US

• Monitored, validated and reported on security events in Splunk Enterprise Security SIEM
• Tuned, developed, and implemented use cases for Splunk ES & Dashboards
• Main analyst point of contact for multiple Fortune 500 Companies
• Led incident investigations, performed root cause analysis and presented findings to clients

Tampa, Florida, US

• Monitored customer Splunk Enterprise Security environments for security events
• Validated security events and reported them to customers via Service-Now tickets
• Created custom reports and wrote live data visualizers using Splunk SPL
• Responsible for the success of the 10PM-6AM shift. Served as first internal escalation point and reported staffing incidents to management

• Monitored developing Blockchain technologies
• Built, and managed cryptocurrency mining rigs
• Maintained cryptocurrency investment portfolio

Asheville, NC, US

• Information Security Policy Development
• Developed Use Case documentation for different types of network compromise incidents
• Created Incident Response Plan

North Carolina, 28801, US

• Worked primarily in Splunk SIEM, investigated root cause of infections, analyzed network traffic and built dashboards to extract IOC's.
• Participated in Incident Response, Firewall monitoring and assisted in forensic analysis of malware infections.
• Pinpointed infection processes of Chinese APT Malware within the MHS network
• Monitored and reported Symantec AV system for infections
• Light scripting in Bash, Python, JavaScript, and XML.

Bachelor Of Science (Bs), Cybersecurity

Certificate, Discipleship Training School

Highschool, Highschool