David Kellam Email & Phone Number

Atlanta, Georgia, Us

- Performed vendor evaluation and implementation of vulnerability management tools and deployed selected tool to 8,500 devices across multiple segmented networks and domains.- Developed risk assessment reports to identify threats and vulnerabilities.- Collaborated with server and endpoint engineers to define patch maintenance windows to remediate CVEs on up-to-date and end-of-life critical operating systems.- Assessed emerging threats, risks and vulnerabilities to inform action plan (e.g., Log4j).- Managed and operated multiple endpoint detection and response solutions as well as assessed Gartner-leading XDR/EDRs with IT leadership and engineers as POCs.- Created automated deployments of mission critical security software agents including XDRs, VPN clients, web filtering apps, and offline privileged access management tools.- Deployed a newly purchased XDR platform to 8,500 endpoints in a span of two weeks.- Mitigated and resolved a large-scale ransomware incident, fortifying the organization-wide security posture in response.- Conducted annual disaster recovery exercises and improved with lessons learned.- Developed annual cybersecurity awareness training program, resulting in an increase from below 80% completion rate to above 95%.- Conducted risk analysis, system certifications, auditing, security documentation and security testing using a wide suite of tools including XDR, EDR, firewalls, web filtering platforms, SIEMs, MMDR, vulnerability scanners, and Active Directory auditing tools.- Assisted with development of cybersecurity policies and procedures to prevent and defend against unauthorized access to systems, networks, and data.- Configured and managed the network access control application including: initial configuration, policy creation, and system updating.- Collaborated with the network architects and engineers to develop segmentation strategies and integrate cutting edge networking products with the NAC.

Atlanta, Georgia, Us

DUTIES- Perform audits of the state of antivirus deployment on county devices and push out appropriate security software where needed- Monitor network traffic and devices and identified malicious devices and actors in order to prevent network intrusions and data theft- Managed DNS connections for the internal network- Provide off-hours on-call support for security breaches, coordinating cross-departmental solutions- Act as first line response to security breaches and provide support to the Security Engineers in order to resolve the issue at hand- Use a suite of security tools, such as Exabeam Advanced Analytics, Secureworks Red Cloak, Zscaler, Cylance ant-virus, and Netwrix Auditor to provide eyes-on-glass real time monitoring of Fulton county’s network infrastructureACHIEVEMENTS- Prepared an incident response plan for Super Bowl LIII and provided support during a 24/7 joint security operations team covering Super Bowl LIII alongside Georgia state government, Secret Service, FBI, DHS, GBI, Local Police, Secretary of State, NFL, Cisco, Comcast, T-Mobile, Georgia Power and others- Developed a scalable model to eliminate expired and terminated users and groups from the county's Active Directory moving forward after an AD refresh, bolstering the county's disaster recovery plans, which includes interacting across departments with the Active Directory management team- Researched and implemented an IT Asset Inventory Management Software for a network consisting of over 20,000 devices across the entire county- Consulted with third party vendors of firewall, antivirus, and endpoint detection and response software in order to find the tool that best fit county needs and reported that information to my supervisor- Retrieved, cleaned, and modified data related to Active Directory admin accounts, terminated employees, and disabled accounts in order to present the information in spreadsheet, PowerPoint, and word document formats

Agency for Toxic Substances and Disease Registry - Office of the Administrator - Office of the Director - Office of Financial, Administrative, and Information Systems• Researched methods to manage excess security groups in the ATSDR/NCEH active directory in order to maximize information security efforts• Developed and implemented a plan to delete excess and outdated email groups, which included contacting over 100 employees across the country and other countries• Inventoried IT and other computer equipment, excessed obsolete equipment according to federal regulation• Saved the agency approximately $10,000 in equipment costs by back-tracking lost equipment• Prepared software licensing spending reports

New York, Ny, Us

• Prepared US GAAP disclosures in SEC filings and other regulatory filings for Voya Financial and its subsidiaries. • Communicated, physically and digitally, across functional departments, both in and out of state, to ensure the accuracy, completeness, and quality of the financial reporting disclosures.• Compiled and documented workpapers of financial reporting activities using information collected across functional departments.• Developed various analytical reports to assist with the complying with certain US GAAP disclosures and financial reporting information presentation standards. • Independently researched specific account reporting procedures across industry competitors in order to better meet SEC-EDGAR reporting expectations and improve the accessibility and accuracy of financial filings.

Chicago, Illinois, Us

• Supervised and facilitated learning for 5 to 20 children, ages 5 to 14. • Certified in Lifeguarding and Belaying, with both skillsets being used daily. • Achieved to the highest amount of new and returning campers in camp history through superior service and fun.

Atlanta, Georgia, Us

• Researched lobbying of the SEC by publicly traded companies for RCB accounting professors. • Maintained a digital database through Microsoft Excel to record donations made to the SEC.

Master Of Science - Ms, Computer And Information Systems Security/Information Assurance

Accounting