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.

B

Bishop Fox

Offensive security and attack surface management.

Tempe, AZ 200-500 Est. 2005
penetration testingred teamingattack surface managementapp security
B

Black Hills Information Security

Penetration testing and active defense consulting.

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

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
G

GuidePoint Security

Cybersecurity advisory and solutions integrator.

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

Hurricane Labs

Managed security and Splunk-focused operations.

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

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
O

Optiv

Cybersecurity solutions and advisory integrator.

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

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
S

Sevco / Sentinel — Pondurance

Managed detection and response with human-led analysis.

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

Synack

Crowdsourced penetration testing platform.

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

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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