| Phone: | +49 421 9866 6155 |
| Email: | alexander [at] subbotin [dot] de |
| Information Security |
| Security Research |
| Ethical Hacking |
| Penetration Testing |
| Infrastructure Penetrationstests |
| Web Application Penetrationstests |
| Mobile Security Testing (Android & iOS) |
| Source Code Reviews |
| System- and Design Reviews |
| System Hardening |
| Vulnerability Assessments |
| Social Engineering |