Siva Maddineni
Adelaide
Summary
Cybersecurity professional with 3 years of experience in technical support, vulnerability management, network monitoring, and threat response. Skilled in resolving hardware, software, and network issues, managing incidents in line with SLAs, and supporting secure IT operations. Proven ability to manage support tickets, escalate threats appropriately, and collaborate with cross-functional teams to strengthen security posture and ensure system resilience.
Overview
5
5
years of professional experience
1
1
Certification
Work History
CYBERSECURITY ANALYST INTERN - REMOTE
CyberXcel
01.2024 - 06.2025
- Conducted dynamic malware analysis on alerts and incidents from Microsoft Sentinel SIEM and Defender for Endpoint, accurately identifying and mitigating threats to enhance system security.
- Analysed security logs and investigated root causes of alerts using the MITRE ATT&CK Framework, reinforcing cybersecurity measures across Linux and Windows environments.
- Installed, configured, and maintained Splunk, Microsoft Sentinel, and VMware, developing user-friendly dashboards to monitor security events and improve SOC operations.
- Led vulnerability assessments and management using Nessus Essentials, identifying security gaps and coordinating remediation to strengthen endpoint security.
- Applied Cyber Kill Chain methodologies to incident response, ensuring effective threat detection and mitigation.
- Ensured security compliance by aligning with Australian Essential 8, NIST Framework, and ITIL best practices.
- Key Projects:
- Azure Cloud Detection & Security Operations:
- Microsoft Sentinel & Log Analytics Implementation: Integrated Microsoft Sentinel SIEM and Log Analytics, ingesting logs from firewalls, Linux VMs, Windows VMs, and Microsoft Defender for Endpoint.
- SIEM Management & Threat Detection: Created custom KQL queries to detect brute-force attacks and unauthorized access attempts on exposed hosts.
- Incident Response & Mitigation: Strengthened security posture through threat hunting, blocking malicious IPs, and improving real-time monitoring.
- Visualization & Monitoring: Developed Sentinel dashboards with geographical security event mapping, enhancing threat visibility and response efficiency.
CYBER SECURITY SUPPORT ANALYST (VULNERABILITY MANAGEMENT & SECOPS)
Wipro Technologies
07.2020 - 11.2022
- Conducted vulnerability scans, provided detailed reports, and implemented PowerShell-based remediations, contributing to a 100% reduction in critical, 90% in high, and 76% in medium vulnerabilities for the server team.
- Performed vulnerability assessments and risk prioritization using Tenable across Windows and Linux environments.
- Executed secure configurations and compliance audits (DISA STIG) with Tenable to meet industry standards.
- Automated remediation processes and STIG implementations using PowerShell to address critical vulnerabilities.
- Deep understanding of the “soft” side of Vulnerability Management: rapport, trust, transparency, and business need.
- Performed proactive threat hunting using EDR tools, detecting IoCs related to brute-force attacks, ransomware, and data exfiltration.
- Developed and published advanced threat hunting scenarios used in incident response tabletop exercises.
- Created custom detection rules in Microsoft Defender for Endpoint to automate system isolation and incident investigations.
- Reduced brute-force attack incidents by 100% by configuring NSG/firewall rules to restrict Internet exposure.
- Built dashboards in Microsoft Sentinel to monitor logon failures and identify malicious traffic using threat intelligence.
- Utilized KQL for querying logs in SIEM and EDR platforms, enabling rapid detection and response.
- Vulnerability Management & Endpoint Security:
- Installed and configured Nessus Essentials for credentialed vulnerability scans on Windows 10 hosts, identifying and remediating high-risk vulnerabilities.
- Conducted in-depth vulnerability assessments aligned with NIST Framework, ensuring risk mitigation and compliance.
- Secured Linux and Windows endpoints by utilizing Defender for Endpoint for real-time threat detection and response.
Education
Masters - Software Engineering
Torrens University Adelaide
Bachelor - Information Technology
Vit University
Skills
- SOAR
- Risk Management
- Risk Prioritization
- IDS/IPS
- IOCs
- Cyber Kill Chain
- MITRE ATT&CK
- Incident Response Playbooks
- Threat Analysis
- Web Attack Detection
- Phishing Analysis
- MISP
- VirusTotal
- Network Log Analysis
- Wireshark
- Fiddler
- Splunk
- Nessus
- ISO Frameworks
- NIST
- OWASP Top 10
- Mitigation Techniques
- EDR
- CrowdStrike
- Azure Security
- XDR
- Forensics
Certification
- Microsoft SC-200
- CompTIA Security+
- CEH
- CISSP
Timeline
CYBERSECURITY ANALYST INTERN - REMOTE
CyberXcel
01.2024 - 06.2025
CYBER SECURITY SUPPORT ANALYST (VULNERABILITY MANAGEMENT & SECOPS)
Wipro Technologies
07.2020 - 11.2022
Bachelor - Information Technology
Vit University
Masters - Software Engineering
Torrens University Adelaide
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