Sayfer

Sayfer is a cybersecurity consulting company that helps startups identify and address security risks through expert testing, audits, and practical guidance. Trusted by hundreds of startup companies, the firm combines hands-on security research with an AI-supported offensive testing approach. Its services include web and mobile penetration testing, cloud and IT infrastructure audits, security consulting, and incident response covering containment, forensics, and recovery. Sayfer also offers specialist services in AI agent security, smart contract audits, private key protection, and crypto scam recovery.

Penetration testing engagements are available in Lite and Premium packages, as well as customized Elite plans. Projects typically take two to four weeks from kickoff to report, depending on scope. Clients receive findings ranked by severity, reproduction details, and remediation guidance for development teams, followed by unlimited retests after fixes. Sayfer tests against OWASP guidance and relevant industry benchmarks, and maps findings to compliance needs such as SOC 2, ISO 27001, HIPAA, GDPR, and PCI DSS.