Spencer Alessi

Spencer is a former system administrator turned penetration tester who helps IT and security teams strengthen their Active Directory and Windows environments against real-world attacks.

As a passionate cybersecurity professional, he works with organizations through internal penetration testing and assume-breach engagements. His goal is to equip and empower system administrators with the knowledge they need to harden and secure their environments.

Spencer is also a coffee-powered content creator who shares cybersecurity insights and education across LinkedIn, X, YouTube, and his free newsletter.