Censys
Research / intelInternet-wide attack surface and exposure intelligence.
Ann Arbor, US· 250-499 people
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Aqua Security
Product vendorCloud-native application protection from code to runtime.
Boston, US· 500-999 people
Offensive Security
TrainingOSCP, Kali Linux, and hands-on offensive training.
New York, US· 250-499 people
Cloudflare
Product vendorCDN, WAF, Zero Trust, and bot management on a global edge.
San Francisco, US· 1000+ people
Microsoft Security
Product vendorDefender, Entra, Sentinel, and Purview across the Microsoft estate.
Redmond, US· 1000+ people
Cisco Security
Product vendorNetwork, email, and SASE security from the campus to the cloud.
San Jose, US· 1000+ people
Qualys
Product vendorVMDR, cloud posture, and compliance scanning as a service.
Foster City, US· 1000+ people
Splunk
Product vendorSIEM, observability, and security analytics now under Cisco.
San Francisco, US· 1000+ people
Orca Security
Product vendorAgentless CNAPP for AWS, Azure, and GCP.
Portland, US· 1000+ people
SailPoint
Product vendorIdentity governance and administration for large directories.
Austin, US· 1000+ people
BeyondTrust
Product vendorPrivileged access, remote support, and endpoint privilege.
Johns Creek, US· 1000+ people
Mandiant
Consultancy / pentestIncident response, threat intel, and Mandiant Advantage — now Google Cloud.
Reston, US· 1000+ people
Rubrik
Product vendorCyber-recovery, backup, and data security posture.
Palo Alto, US· 1000+ people
HashiCorp
Product vendorVault secrets, Terraform, and identity-based security for infrastructure.
San Francisco, US· 1000+ people
CrowdStrike
Product vendorCloud-native endpoint detection, identity, and threat intel.
Austin, US· 1000+ people