Active Directory Quality Control

FREEZER LETA

● +1-469-***-****• Email•**********@*****.*** Linkedin GitHub

Address: Dallas,Texas

A highly organized and detail-oriented cybersecurity professional with a strong background in utilizing tools such as Active Directory, Snort, Wireshark, Splunk, Nessus, and more. Proven experience in the MITRE ATT&CK Framework, Sysinternals, Windows Event Logs, Metasploit, nmap, Kerberos, and Linux. Known for being adaptable, resilient, and analytical, with a curious and hardworking nature that drives continuous learning and improvement. Demonstrates a collaborative approach to problem-solving, ensuring robust and secure solutions. Skills: Active Directory, Snort, Wireshark, Splunk, TheHive, Nessus, MITRE ATT&CK Framework, Yara, Sysinternals, Windows Event Logs, Metasploit, nmap, Kerberos, Windows 10/11, Linux Networking: DNS, DHCP, ICMP, TCP/IP, Firewalls, VPN, Wi-Fi Standards, SNMP, SMTP, SSH, LDAPS, UDP, SSL/TLS, IMAPS, network access control, identity and access management Languages: Amharic (Native), English (Full professional proficiency) PROFESSIONAL EXPERIENCE

Field Engineer, Riner Engineering

March 2020 – Present

● Implemented and oversaw quality control measures to ensure that construction activities met project specifications and industry standards.

● Performed site surveys to gather data for project planning and design purposes.

● Conducted on-site evaluations to assess construction conditions, potential risks, and compliance with safety standards.

● Conducted regular inspections and assessments to identify and address potential issues before they escalate.

EDUCATION

Bachelor of Science in Computer Science, Major in Cybersecurity Engineering. Colorado Technical University

October 2022 - 2025(In progress)

● Focused on developing a strong foundation in computer science principles.

● Specialized in cybersecurity engineering to understand and implement security measures. Cybersecurity Training Program

Masterschool

January 2023 - Present

● Gained hands-on experience in Networking, Operating Systems, Python, and engaged in real-world industry projects.

● Acquired insights into Operationalizing MITRE ATT&CK, ISO 27001:2013 compliance, and TCP/IP security.

● Developed comprehensive IT support skills with dedicated training on Windows 10 and 11, Network Troubleshooting, and Help Desk fundamentals. Certifications

Security+ AWS (In progress) CHE( In progress)

CySA+ CISSP (In progress)

Projects

Habesha web Penetration test.

Performed penetration testing on a local company's web application to identify vulnerabilities and suggest remediation measures.

Prepared a detailed report outlining the discovered vulnerabilities and provided recommendations for improving the application's security. Incident response and Mitigation

Simulation on incident response management and mitigation at Master school.

Implementing multiple tools and technologies to identify any security breach that can harm the sensitive data and information of the company. And collaborate with other departments and team members to implement security procedures, methods, and best practices. Vulnerability management

Installed and configured Nessus Essentials to perform credentialed Vulnerability scans against Windows 10 Hosts.

Implemented vulnerability management function on sandbox networks:

Discover, Prioritize, Assess, Report, Remediate,and verify.

Conducted vulnerability assessment with Nessus, remediated vulnerabilities.

Developed automated remediation process to preemptively deal with vulnerabilities.

stemming from windows updates and third -party software Active Directory

Segment the lab from the rest of the home network.

Install Windows Server 2019 OS inside a Virtual machine. (Oracle VM)

Install Windows 10 Client connect to the internal network and Internet via Domain controller.

Change the hostname of the machine.

Assign an IP address to the host.

Add required Roles, organizational units, and users under the domain name.

Deprovisioning/Provisioning users from their domain and role.

Generate, Automate and Create 1000+ random users and test the lab

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