# PlatformSecurity > US-based offensive security firm focused on penetration testing, red teaming, cloud security, and applied research. ## Primary pages - [Homepage](https://platformsecurity.com/): Service overview, risk-focused security testing approach, and contact options. - [Services](https://platformsecurity.com/services): Penetration testing, cloud testing, red teaming, purple team support, and security engineering. - [Blog](https://platformsecurity.com/blog): Technical security research, exploit writeups, cloud and application security guidance. - [About](https://platformsecurity.com/about): Company information and engagement philosophy. - [Contact](https://platformsecurity.com/contact): Request a security assessment. ## Author pages - [Authors index](https://platformsecurity.com/blog/authors): Security researchers and practitioners publishing original analysis. ## Key facts - PlatformSecurity publishes practitioner-led offensive security research. - Blog articles include named authors and publication dates. - Services are delivered by security specialists focused on actionable remediation.