Find a pentest company with GIAC
25 companies have this certification
GIAC Certification in Cybersecurity
The Global Information Assurance Certification (GIAC) was created by the SANS Institute in 1999 to provide vendor-neutral certification for information security professionals. SANS (SysAdmin, Audit, Network, and Security) established GIAC to validate that cybersecurity practitioners possess the practical, hands-on skills needed to perform technical security roles effectively. The certification program was developed in response to the growing need for standardized measures of cybersecurity competency, particularly as organizations struggled to identify qualified professionals who could defend against increasingly sophisticated cyber threats.
GIAC certifications are highly valued in the penetration testing and cybersecurity industry because they focus on practical, real-world skills rather than purely theoretical knowledge. Each GIAC certification requires candidates to demonstrate technical proficiency through challenging exams that test their ability to apply knowledge in realistic scenarios. Certifications like the GIAC Penetration Tester (GPEN) and GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) are particularly respected among penetration testing professionals and employers because they validate specific offensive security capabilities. Organizations seeking penetration testing services often look for teams with GIAC-certified professionals as assurance that the testers have been rigorously evaluated and possess current, applicable skills in identifying and exploiting vulnerabilities.
Astro Information Security
IT services and consulting company specializing in cybersecurity; founded 2024, based in San Francisco, CA, with 10 employees and 150% YoY growth. Offers MXDR, penetration testing, SOC assessments, and cybersecurity consulting, founded by ex-NASA and NSA cybersecurity experts.
Progent
IT consulting firm based in California, specializing in network support, cybersecurity, and penetration testing; offers 24/7 expert support with dedicated security assessments and PEN testing services; headquartered in San Jose, CA.
CovertThreat
Cybersecurity consulting firm specializing in penetration testing, vulnerability management, and digital forensics; 2 employees with 100% YoY growth; headquartered in Miami, Florida, United States; offers dedicated penetration testing services through multiple website pages.
VerSprite Cybersecurity
Cybersecurity IT services and consulting firm specializing in penetration testing, red teaming, and security assessments; founded 2007, headquartered in Atlanta, Georgia; 33 employees, $1.5M revenue; recent CREST/CIS accreditation; focuses on value-driven security solutions.
TreeTop Security
Cybersecurity company specializing in network and web application penetration testing; founded in 2017 with 2 employees in Hays, Kansas, USA; offers tailored security solutions and security assessments to various sectors.
TraceSecurity
Cybersecurity services provider specializing in penetration testing; offers internal, external, and wireless pentests; 74 employees, $8.8M revenue, founded 2004 in Baton Rouge, Louisiana; $12.3M funding; active in compliance, risk, and vulnerability assessments.
VDA Labs, LLC
VDA Labs, LLC is a cybersecurity solutions and services provider specializing in penetration testing, with 30 employees, $6M annual revenue, founded in 2007 in Grand Rapids, Michigan. The company focuses on safeguarding organizations through security assessments, compliance, secure coding, IoT security, and fuzzing, and is positioned at global rank #6,432,848 with a niche market presence.
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PenTestGurus
Cybersecurity firm based in New York, specializing in penetration testing and vulnerability management; offers advanced pentest solutions with a dedicated penetration testing service page; headquartered at 100 Park Ave, New York, NY.
SubRosa
IT services and cybersecurity consulting firm based in Beachwood, Ohio; 9 employees with -14.3% YoY growth; offers penetration testing, risk management, and compliance services; founded 2017; 4,953 monthly website visits; global rank #3,620,813.
Rovust
Cybersecurity consulting firm specializing in penetration testing, application security, and risk management; 6 employees with 10% YoY growth; founded 2019; based in Dallas, Texas, USA; provides advisory, managed services, and cyber/data security solutions.
Opacc, Inc.
Virginia-based strategic advisory, cyber operations, and private security firm supporting government and private clients; offers penetration testing services as part of their cybersecurity offerings; headquartered in Tysons Corner, VA.
Silverskin Information Security Oy
Cybersecurity company based in Helsinki, Finland, specializing in app security and continuous penetration testing; 20 employees (+18.2% YoY growth), $13.8M revenue, founded 2009. Focuses on secure-by-design advisory, security assessment, and embedding security into digital processes; operates in IT services and consulting industry.
IMRIM
Cybersecurity firm based in Luxembourg; specializes in information security advisory and penetration testing services across web, app, network, and infrastructure; headquartered at 17, rue Edmond Reuter, Bâtiment Bouvreuil, L-5326 Contern, Luxembourg; actively recruits penetration testers.
Soteryan
Cybersecurity company specializing in threat hunting, data analytics, and penetration testing; 6 employees with 125% YoY growth; based in Amsterdam, Netherlands; founded 2014; provides threat intelligence, breach prevention, incident response, and vulnerability assessments to global clients.
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CyberMadeInPoland
CyberMadeInPoland is a Poland-based cybersecurity platform founded in 2020 with 6 employees; it promotes Polish cybersecurity industry and facilitates penetration testing services such as threat simulations and red teaming through its marketplace. The company has 3,105 monthly website visits and ranks #4,873,125 globally.
Cyber Threat Defense
Cyber Threat Defense is a private cybersecurity firm specializing in penetration testing and vulnerability assessments; 24 employees with a 2.4% monthly decline and 18.4% YoY decrease, founded in 2017 and based in Cluj-Napoca, Romania. The company emphasizes providing clients with confidence and stability in cybersecurity through its expertise in information security.
phew Cyber Security
phew Cyber Security is a New Zealand-based private cybersecurity company specializing in penetration testing, deep exploit analysis, and security consulting; founded in 2017, with 5 employees and a focus on simplifying security and stability for businesses.
CyberEdge Solutions Australia
CyberEdge Solutions Australia is a cybersecurity company headquartered in Brisbane, Australia, with multiple offices across the country. The firm specializes in offensive security, including penetration testing services, as indicated by their 'Offensive Security & Penetration Testing' offering on their website.
Secure Impact Ltd
UK-based cybersecurity consultancy; offers penetration testing, incident response tabletop exercises, and offensive security services; specializes in bespoke, interactive assessments for global SaaS providers and enterprises.
Codigo Security
UK-based cybersecurity consulting company founded in 2018 with 2 employees; specializes in web application security, cloud security, and penetration testing; explicitly offers manual web application penetration testing aligned with OWASP, NIST, and SANS standards; registered at 71-75 Shelton Street, Covent Garden, London.
Scitum S.A. de C.V.
Mexico-based IT services and cybersecurity company with 716 employees; the largest information security integrator in Latin America, specializing in penetration testing and vulnerability assessments for OT environments; founded in 1998; global rank #1,723,111, local rank #24,429 in Mexico.
INTfinity Consulting Pte. Ltd.
Cybersecurity company specializing in penetration testing, digital forensics, and incident response; 5 employees with 66.7% YoY growth; based in Bukit Merah, Singapore; offers consultancy and proactive security solutions.
PulseSecure Pte Ltd
Cybersecurity and IT security consulting firm specializing in penetration testing services with CREST and OSCP-certified pentesters; 36 employees with 12.2% YoY growth; based in Singapore since 2008; expertise in web application security, secure coding, and application self-defense; global rank #2,616,188, Singapore rank #27,808, with 6,897 monthly website visits.
株式会社セキュリティイニシアティブ
Japanese cybersecurity company specializing in threat-based penetration testing (TLPT), vulnerability assessments, and security consulting; based in Japan with content in Japanese and a .co.jp domain.
Techlab Corporation
Cybersecurity company specializing in penetration testing and consulting; 20 employees; headquartered in Vietnam; offers scalable pentest services and cybersecurity assessments; active in cybersecurity consulting and standards establishment.