Derek Deleyser
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Derek Deleyser Email & Phone Number

Cyber Operator @ Fortress Information Security | Cybersecurity Analyst | Vulnerability Management | Penetration Testing | Network Engineering & Security at Fortress Information Security
Location: Buckley, Washington, United States 2 work roles 3 schools
1 work email found @fortressinfosec.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email d****@fortressinfosec.com
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Role
Cyber Operator @ Fortress Information Security | Cybersecurity Analyst | Vulnerability Management | Penetration Testing | Network Engineering & Security
Location
Buckley, Washington, United States
Company size

Who is Derek Deleyser? Overview

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Quick answer

Derek Deleyser is listed as Cyber Operator @ Fortress Information Security | Cybersecurity Analyst | Vulnerability Management | Penetration Testing | Network Engineering & Security at Fortress Information Security, a company with 30 employees, based in Buckley, Washington, United States. AeroLeads shows a work email signal at fortressinfosec.com and a matched LinkedIn profile for Derek Deleyser.

Derek Deleyser previously worked as Cyber Operator at Fortress Information Security and Chairman, Board of Directors at Malwear.Org. Derek Deleyser holds Cyber Security Analytics from Flatiron School.

Company email context

Email format at Fortress Information Security

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{first_initial}{last}@fortressinfosec.com
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AeroLeads found 1 current-domain work email signal for Derek Deleyser. Compare company email patterns before reaching out.

Profile bio

About Derek Deleyser

I am an accomplished cybersecurity professional with close to three years of experience. Throughout my career, I have honed a wealth of skills, and my professional focal points include system, network, and application security, vulnerability management, incident management, penetration testing, threat hunting, malware analysis, security assessments and audits, training, risk management, compliance, process improvement, and project management. Delivering superior execution on the latter areas requires exceptional communication, organizational, and analytical aptitudes, keen technical acumen, and a nuanced understanding of the latest cybersecurity threats, trends, and technology.Throughout my career, I have demonstrated a natural aptitude for identifying and addressing critical security gaps and risks across systems, networks, products, and applications, championing inventive solutions that address threats, evolve the security posture, and drive compliance with all applicable frameworks.I am always open to connecting with other cybersecurity professionals, and I can be reached through this profile.

Current workplace

Derek Deleyser's current company

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Fortress Information Security
Fortress Information Security
Cyber Operator @ Fortress Information Security | Cybersecurity Analyst | Vulnerability Management | Penetration Testing | Network Engineering & Security
orlando, florida, united states
Employees
30
AeroLeads page
2 roles

Derek Deleyser work experience

A career timeline built from the work history available for this profile.

Cyber Operator

Current

Remote

  • Providing cybersecurity consulting and support to clients and end-users, ensuring effective security governance across environments, and maintaining robust cybersecurity frameworks.
  • Coordinating security testing, designing test schedules and goals, performing security testing/vulnerability scans, and establishing remediation plans while reporting findings to decision-makers and providing.
  • Analyzing and tracking incident status for emerging security events monthly, classifying and prioritizing incidents to ensure effective triage, and allocating resources to ensure minimal negative impacts following.
  • Compiling and analyzing data to uncover trends, refine detection methods, and augment alerting coverage and efficiency while enabling risk reduction across the IT infrastructure.
  • Employing system and network log data, threat intelligence sources, vendor-provided open-source information, intrusion detection systems, and traffic analysis tools to promptly contain and eliminate threats, reducing.
  • Providing ongoing guidance, mentoring, and support to junior analysts, helping build a high-performing team, and growing productivity.
Sep 2021 - Present

Chairman, Board Of Directors

Malwear.org is a startup with a mission of helping youth gain access to cybersecurity training and mentorship.

Aug 2021 - Sep 2022
Team & coworkers

Colleagues at Fortress Information Security

Other employees you can reach at fortressinfosec.com. View company contacts for 30 employees →

3 education records

Derek Deleyser education

General Studies

Associates Degree Pre-Requisite classes taken, including but not limited to; English, History and Mathematics

FAQ

Frequently asked questions about Derek Deleyser

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

What company does Derek Deleyser work for?

Derek Deleyser works for Fortress Information Security.

What is Derek Deleyser's role at Fortress Information Security?

Derek Deleyser is listed as Cyber Operator @ Fortress Information Security | Cybersecurity Analyst | Vulnerability Management | Penetration Testing | Network Engineering & Security at Fortress Information Security.

What is Derek Deleyser's email address?

AeroLeads has found 1 work email signal at @fortressinfosec.com for Derek Deleyser at Fortress Information Security.

Where is Derek Deleyser based?

Derek Deleyser is based in Buckley, Washington, United States while working with Fortress Information Security.

What companies has Derek Deleyser worked for?

Derek Deleyser has worked for Fortress Information Security and Malwear.Org.

Who are Derek Deleyser's colleagues at Fortress Information Security?

Derek Deleyser's colleagues at Fortress Information Security include Dominic Lincourt, Rachel Anderson, Ernestine Moore, Kendrick Zapata, and Matthew Reid.

How can I contact Derek Deleyser?

You can use AeroLeads to view verified contact signals for Derek Deleyser at Fortress Information Security, including work email, phone, and LinkedIn data when available.

What schools did Derek Deleyser attend?

Derek Deleyser holds Cyber Security Analytics from Flatiron School.

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