Cybersecurity Consultancies
Directory

Cybersecurity Consultancies

20 listings · Curated by AMW

Cybersecurity consulting firms for penetration testing, security audits, compliance (SOC 2, ISO 27001), and managed defense.

Bishop Fox

Bishop Fox

Offensive security and attack surface management.

Tempe, AZ 200-500 Est. 2005
penetration testingred teamingattack surface managementapp security
Black Hills Information Security

Black Hills Information Security

Penetration testing and active defense consulting.

Spearfish, SD 50-200 Est. 2008
penetration testingred teamingactive defensetraining
Coalfire

Coalfire

Cyber risk management and compliance advisory.

Westminster, CO 500-1000 Est. 2001
complianceFedRAMPpenetration testingcyber risk
C

CrowdStrike Services

Incident response and proactive security services.

Austin, TX 1000+ Est. 2011
incident responsecompromise assessmentthreat huntingred teaming
GuidePoint Security

GuidePoint Security

Cybersecurity advisory and solutions integrator.

Herndon, VA 500-1000 Est. 2011
security advisorycloud securityidentitymanaged services
Hurricane Labs

Hurricane Labs

Managed security and Splunk-focused operations.

Cleveland, OH 50-200 Est. 2004
managed securitySIEMSplunksecurity operations
IOActive

IOActive

Research-driven security services for hardware and software.

Seattle, WA 50-200 Est. 1998
hardware securitypenetration testingembeddedcritical infrastructure
K

Kroll Cyber

Incident response, digital forensics, and cyber risk.

New York, NY 1000+ Est. 1972
incident responsedigital forensicsbreach notificationcyber risk
L

Leviathan Security

Security consulting and risk management.

Seattle, WA 10-50 Est. 2006
security assessmentpenetration testingrisk managementcryptography
M

Mandiant

Frontline incident response and threat intelligence.

Reston, VA 1000+ Est. 2004
incident responsethreat intelligencered teamingbreach investigation
N

NCC Group

Global cyber and software resilience consultancy.

Manchester 1000+ Est. 1999
penetration testingsecurity assessmentincident responsemanaged detection
Optiv

Optiv

Cybersecurity solutions and advisory integrator.

Denver, CO 1000+ Est. 2015
security strategyidentitycloud securitymanaged services
Praetorian

Praetorian

Offensive security and attack-surface engineering.

Austin, TX 200-500 Est. 2010
offensive securityattack surface managementred teamingsecurity engineering
R

Rapid7

Security advisory, testing, and managed detection.

Boston, MA 1000+ Est. 2000
penetration testingMDRincident responsevulnerability management
S

Schellman

Attestation, compliance, and cybersecurity assessment.

Tampa, FL 500-1000 Est. 2002
SOC 2ISO 27001PCIpenetration testing
S

Secureworks

Threat detection, response, and security consulting.

Atlanta, GA 1000+ Est. 1999
MDRthreat intelligenceincident responsesecurity consulting
Sevco / Sentinel — Pondurance

Sevco / Sentinel — Pondurance

Managed detection and response with human-led analysis.

Indianapolis, IN 200-500 Est. 2008
MDRincident responsecyber risk24/7 monitoring
Synack

Synack

Crowdsourced penetration testing platform.

Redwood City, CA 200-500 Est. 2013
crowdsourced pentestingcontinuous testingapp securityvulnerability management
TrustedSec

TrustedSec

Offensive security and information-security consulting.

Fairlawn, OH 50-200 Est. 2012
penetration testingred teamingincident responseprogram development
T

Trustwave

Managed security services and threat detection.

Chicago, IL 1000+ Est. 1995
managed detectionpenetration testingthreat researchdatabase security

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