Christian Villapando is a cybersecurity consultant at Red Rock IT Security Inc. and a SANS Certified Instructor Candidate who teaches SEC560: Enterprise Penetration Testing. With hands-on expertise in penetration testing, red teaming, and purple teaming, he brings real-world adversary tactics directly into the course, helping students understand how modern attacks are executed and how to defend enterprise environments against them.
Christian began his career supporting national cybersecurity efforts with the Philippines’ National Computer Emergency Response Team (CERT-PH), where he conducted vulnerability assessments and penetration testing on government systems. He later moved into consulting roles, including his time at Verizon, where he worked closely with enterprise clients to identify exploitable weaknesses and strengthen their security posture. Now at Red Rock IT Security, he leads and delivers offensive security engagements across industries such as finance, healthcare, and e-commerce. These real-world experiences directly inform the course labs, where students practice enterprise penetration testing techniques, simulate adversary behavior, and develop actionable remediation strategies.
