Cybersecurity Sales Engineer
Yulia drives business development at BackDoor — 10+ years in cybersecurity sales engineering at Cisco, Zscaler, and Positive Technologies, specializing in Zero Trust, SASE, and cloud security, and turning technical findings into clear business value.
5 articles by Yulia Miuller
Top Penetration Testing Companies in 2026 (Compared)
The top penetration testing companies of 2026 compared by testing model — consultancy, PTaaS, crowdsourced, and autonomous AI — with a buyer’s rubric.
What Is Network Penetration Testing? A Complete Guide
Network penetration testing explained: internal vs external testing, the vulnerabilities it finds, methodology, tools, and continuous automated coverage.
Who Is a Penetration Tester? Role, Skills & How AI Is Changing It
What a penetration tester does, the skills and certifications that matter, realistic salaries — and how AI and autonomous testing are reshaping the role.
What Is Web Application Penetration Testing? A Complete Guide
How web application penetration testing works: the OWASP Top 10 flaws it hunts, WSTG methodology, tools, and when automated continuous testing fits.
What Is Penetration Testing (Pen Testing)? Types, Stages & Tools
What penetration testing is, how it differs from vulnerability scanning, its types, stages, and methodologies — and how AI is making it continuous.