Stefan Flachsbarth
Your Partner for IT Security.Free Tools
Test it yourself, in two minutes
All tools run entirely in your browser – no data transfer, no registration.
Password Strength Checker
How long would your password survive a brute-force attack?
Password Generator
Cryptographically strong passwords, fully configurable.
Domain & Mail Check
E-mail (SPF/DKIM/DMARC), SSL and DNSSEC verified in 10 seconds.
Backup Self-Assessment
Will your backups hold up in an emergency? 3-2-1-1-0 check.
MFA Self-Assessment
Eight questions: where is multi-factor authentication missing?
NIS2 Self-Assessment
Four questions: does NIS2 apply to your business?
Working Together
How we work together
1
Intro call (free)
30 minutes, no obligation: you describe your situation, I explain how I work.
2
Scope & proposal
A written proposal with a clearly defined frame – billed transparently by the hour.
3
Execution
Structured, with regular updates – no black box.
4
Results & handover
A clear report, prioritized actions, useful documentation. Focused on actionable results.
Qualifications
Why me?
15+
years in IT security
CISSP · CISA
ISC² & ISACA certified
OSCP · OSWP
Offensive Security
5× Azure
Microsoft certified
Ready for more security?
Book a free 30-minute intro call for an initial technical assessment.