Sergio Cossio
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Sergio Cossio Email & Phone Number

Security Support Engineer @ VMRay | Malware Detection at VMRay
Location: Los Angeles Metropolitan Area, United States, United States 7 work roles 3 schools
1 work email found @eset.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
Role
Security Support Engineer @ VMRay | Malware Detection
Location
Los Angeles Metropolitan Area, United States, United States
Company size

Who is Sergio Cossio? Overview

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Quick answer

Sergio Cossio is listed as Security Support Engineer @ VMRay | Malware Detection at VMRay, a company with 72 employees, based in Los Angeles Metropolitan Area, United States, United States. AeroLeads shows a work email signal at eset.com and a matched LinkedIn profile for Sergio Cossio.

Sergio Cossio previously worked as Security Support Engineer at Vmray and Cybersecurity Teaching Assistant at Edx. Sergio Cossio holds Bachelor Of Science - B.S, Information Systems Technology - Cybersecurity from California State University-San Bernardino.

Company email context

Email format at VMRay

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{first}.{last}@eset.com
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Profile bio

About Sergio Cossio

As a Security Solutions Support Specialist at VMRay, I provide technical support and malware analysis to customers. I leverage my strong knowledge of software, networking, and security to troubleshoot, diagnose, and resolve complex issues. I also help facilitate communication between clients and our labs' team regarding false positives & false negatives.I have nearly five years of combined experience in cybersecurity and information technology. In my various roles, I developed skills in cyber defense, security analysis, vulnerability scanning, analyzing malicious PowerShell scripts, Wireshark, SIEM, EDR, SOAR, SAML 2.0 SSO, and multifactor Authentication. I also received multiple awards and recognition for my outstanding work ethic, reliability, and initiative.I hold a Bachelor of Science in Information Systems Technology - Cybersecurity from California State University-San Bernardino, and two Associate degrees in Business Administration and Social & Behavioral Sciences from San Bernardino Valley College. I am committed to staying updated on industry best practices and emerging technologies.My interests lie in Technical Support Engineering, Computer & Network Security, and Information Security Analysis. I strive for excellence and consider myself a team player, capable of leading and collaborating with diverse groups. I'm here to surpass standards, meet deadlines, and boost team morale. I am fully committed and ready to deliver outstanding results.

Listed skills include Project Management, Analytical Skills, Troubleshooting, Communication, and 2 others.

Current workplace

Sergio Cossio's current company

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VMRay
Vmray
Security Support Engineer @ VMRay | Malware Detection
bochum, nordrhein-westfalen, germany
Website
Employees
72
AeroLeads page
7 roles

Sergio Cossio work experience

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Security Support Engineer

Current

United States

  • Facilitating communication and reporting false negatives & false positives to our labs' teams via Jira.
  • Supporting SIEM, EDR, SOAR, and TIP integrations that range from CrowdStrike, SentinelOne, Carbon Black, Splunk Phantom, etc.
  • Assisting enterprise clients in analyzing malicious websites and file types by identifying IOC’s and MITRE ATT&CK Framework.
  • Utilizing Splunk to search error logs, client IDP information, and account information.
  • Supporting On-Prem & Cloud software configurations ranging from user permission roles, submission types, SAML 2.0 SSO, and YARA Rules.
  • Collaborate with our DevOps and legal team to report bugs and potential compliance issues.
Jul 2023 - Present

Cybersecurity Teaching Assistant

Edx

San Diego, California, United States

  • Assisting students in becoming Proficient in Linux fundamentals including important distributions, file structure navigation, process management, package installation, password auditing, privilege escalation, user and.
  • Helping students improve log analysis, correlation rule design, SIEM vendor evaluation, and Splunk operations including add-on selection, log uploading, SPL query writing, statistical reporting, activity baseline.
  • Supporting introductory sessions on bash scripting constructing compound commands using logical operators (&& and |) and if/else and for statements, teaching file redirects, creating and saving alias commands to the.
  • Assisted students in completing comprehensive training covering cloud service selection, virtual network setup, security implementation, Docker container management, Ansible configuration for VMs, load balancing.
  • Aided in exploring cryptography, encryption and encoding differences, using Open SSL for encryption/decryption, asymmetric encryption, hashing, digital signatures, steganography, SSL certificates, and hash cracking.
  • Assisted students in pen testing roles, OSINT methods with Google Dorking and Shodan, phishing email detection, advanced Nmap scans, Metasploit automation, privilege escalation, post-exploitation tasks including.
Feb 2023 - Mar 2024

Malware Support Agent

San Diego, California, United States

  • Analyze logs, process trees, registry hives, and hidden file extensions for malware.
  • Utilize Wireshark to capture IP packets to discover Arp cache poisoning traffic.
  • Extract samples of malicious PowerShell scripts & files to submit for further analysis.
  • Perform vulnerability scans on customers public facing servers & client workstations.
  • Assist customers in understanding path detections that occur within their EDR Solution.
  • Review customer SIEM console detections that consist of network attacks, web & email, and scans.
Apr 2022 - Jul 2023

Technical Support Agent

San Diego, California, United States

  • Troubleshooting a large range of dynamic environments which include Domain Controllers, Windows OS, macOS, and Linux distros.
  • Supporting customers, Managed Service Providers (MSP) and resellers.
  • Provide support in SEIM Implementation and management.
  • Configuring 2-Factor Authentication via OTP, SMS, SMTP, RDP, Windows logins, account logins.
  • Governing policies for Firewalls, IDS/IPS Exclusions, HIPS, Device control, Web Control.
  • Supporting a variety of products ranging from Antivirus, Authentication, SIEM, EDR, and Encryption.
Jun 2021 - Apr 2022

Tech Support Representative

Rancho Cucamonga, California, United States

  • Customer Support
  • Explain IP networking, IP mapping, port routing & configurations.
  • Troubleshooting IP conflict issues in customer environments.
  • Assigning Static and Dynamic IP addresses (DHCP) within customer networks.
  • Often worked with H264 & H265 video compression to consolidate space for storage.
  • Safely assigning correct port configurations to prevent ddos and brute force attacks.
Apr 2021 - Jun 2021

Pc Deployment Technician

Rancho Cucamonga, California, United States

  • Completed 200+ system reboots for student Chromebooks under 4hr’s.
  • Successfully imaged 20+ MAC’s and PC’s with proper configurations.
  • Performed successful PC troubleshooting. (Software/Hardware)
  • Uninstalled 50+ older PC/MAC models for next generation models.
  • Installations involved Voip connections, Display Ports, HDMI’s, USB’s, Power Sources, etc.
  • Responsible for accurate inventory records of all Chromebook serial numbers and designated rooms.
Mar 2021 - Apr 2021

Pc Technician

California, United States

  • Software Support
  • Managed Active Directory via Domain Controller to add & remove users.
  • Troubleshooting printers within environment and updated drivers.
  • Assigning Static and Dynamic IP addresses via Domain Controller (DHCP).
  • Monitoring & maintaining server health.
  • Assigning new printers to the domain.
Feb 2019 - Feb 2021
Team & coworkers

Colleagues at VMRay

Other employees you can reach at vmray.com. View company contacts for 72 employees →

3 education records

Sergio Cossio education

FAQ

Frequently asked questions about Sergio Cossio

Quick answers generated from the profile data available on this page.

What company does Sergio Cossio work for?

Sergio Cossio works for VMRay.

What is Sergio Cossio's role at VMRay?

Sergio Cossio is listed as Security Support Engineer @ VMRay | Malware Detection at VMRay.

What is Sergio Cossio's email address?

AeroLeads has found 1 work email signal at @eset.com for Sergio Cossio at VMRay.

Where is Sergio Cossio based?

Sergio Cossio is based in Los Angeles Metropolitan Area, United States, United States while working with VMRay.

What companies has Sergio Cossio worked for?

Sergio Cossio has worked for Vmray, Edx, Eset North America, Hunt Electronic Co Ltd, and Ephesus Solutions.

Who are Sergio Cossio's colleagues at VMRay?

Sergio Cossio's colleagues at VMRay include Jens Alich, Francis Addison, Vivian Sáenz A.(謝薇安), Niklas Menzel, and Depinder Bharti Sharma.

How can I contact Sergio Cossio?

You can use AeroLeads to view verified contact signals for Sergio Cossio at VMRay, including work email, phone, and LinkedIn data when available.

What schools did Sergio Cossio attend?

Sergio Cossio holds Bachelor Of Science - B.S, Information Systems Technology - Cybersecurity from California State University-San Bernardino.

What skills is Sergio Cossio known for?

Sergio Cossio is listed with skills including Project Management, Analytical Skills, Troubleshooting, Communication, Problem Solving, and Customer Service.

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