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TechGuard Security

O'Fallon, Illinois, United States

Security AwarenessPenetration TestingOffensive SecurityIncident Response
Founded 2000Serves Enterprise, SMB, Public Sector, Critical Infrastructure
Profile last updated: May 4, 2026

About

Founded in 2000, TechGuard Security is a cybersecurity company based in O'Fallon, United States working in security awareness, penetration testing, offensive security +9 more.

TechGuard Security is a cybersecurity company founded in 2000 to address national cyber-defense initiatives and critical infrastructure security. It provides cybersecurity services, software and training to the US Department of Defense, federal agencies, the intelligence community and corporate customers of various sizes and industries. Its offerings include penetration testing, vulnerability scanning and management, risk assessments, incident response planning and tabletop exercises, cloud and endpoint security, network and email security, data governance, compliance consulting, vCISO services and security awareness training. Products include the DEFEND360 platform, the S.H.I.E.L.D. awareness training program and the TechGuard Endpoint Agent. The company runs a partner program that lets resellers offer its security solutions to their own customers, and it has a subsidiary, Bandura, LLC, which was formed in 2013 from its products division. The company holds ISO 9001:2015 registration and is certified as a Woman-Owned Business Enterprise, Small Disadvantaged Business and Disadvantaged Business Enterprise. Its offices are in the St. Louis area (O'Fallon, Illinois) and Catonsville, Maryland.

Location

O'Fallon, United States

Founded

2000

Focus areas

cybersecurity awarenesspenetration testingvulnerability managementendpoint securitysecurity trainingDoD cybersecuritycritical infrastructure

Languages

EN

Services & products

Security domains

Security AwarenessPenetration TestingOffensive SecurityIncident ResponseDigital ForensicsCloud SecurityEndpoint SecurityNetwork SecurityEmail SecurityData ProtectionApplication SecurityGRC & Compliance

How they deliver

SoftwareTrainingProfessional ServicesConsultingReseller

Products

DEFEND360

Cybersecurity platform

Full-service cybersecurity solution combining threat prevention, defense measures, compliance, training and assessments.

TechGuard S.H.I.E.L.D. Security Awareness Training

Security awareness training

Security awareness training program with phishing simulations, modular courses and centralized admin reporting.

TechGuard Endpoint Agent

Endpoint security

Endpoint protection agent with next-gen antivirus, device posture validation, endpoint detection and response, and application allow/block controls.

Vulnerability Management Suite

Vulnerability management

Continuous scanning and monitoring to discover and remediate vulnerabilities.

Penetration Testing Suite

Penetration testing

Internal, external, web application, cloud and physical device penetration testing services.

Information Security Risk Assessment Suite

Risk assessment

Information security risk assessments with strategic action plans to address weaknesses.

Phishing Simulator and Training

Security awareness

Phishing simulations with guided learning to reduce employee susceptibility to phishing.

Customers

EnterpriseSMBPublic SectorCritical Infrastructure

Industries served

GovernmentDefenseFinanceHealthcareEducation

Compliance & partners

Compliance frameworks

PCI DSSHIPAA

Technology partners

Coro

Credentials & affiliations

Certifications

ISO 9001:2015

Woman-Owned Business Enterprise (WOBE)

Small Disadvantaged Business (SDB)

Disadvantaged Business Enterprise (DBE)

Awards

Greater St. Louis Top Workplaces Award

2024

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