Tammy Nguyen

Information Security Analyst

Computer Security Incident Response Team (CSIRT)

Tammy Nguyen is a senior information security analyst on Cisco's Computer Security Incident Response Team (CSIRT). CSIRT is responsible for monitoring, investigating, and mitigating all computer security incidents on Cisco's corporate network, hosted solutions, and new ventures. Tammy handles escalations and incidents from a myriad of data sources and works closely with specialized investigators to drive incident containment and remediation. Her responsibilities include event analysis, security investigations, and designing and implementing monitoring strategies for critical engagements.

When Tammy is not helping CSIRT protect Cisco, Tammy is passionate about advocating for women in technology and spends her time mentoring young security professionals inside and outside of Cisco. She is an active member of the Cisco Women in Cybersecurity community where she has spoken about her early career journey. Tammy believes that there is a place for everyone especially women in cybersecurity regardless of formal educational training or not.

Tammy holds a B.S. in Business Administration with a concentration in Information Systems from Cal Poly-San Luis Obispo. If you look closely, you can find Tammy on the @WeAreCisco social media channels (Twitter, Instagram, and Snapchat)!


October 5, 2017


I. Am. A. Woman. In. Tech.

3 min read

"You are a woman in tech. You are part of the 11% of women in cybersecurity. You make an impact. You're not alone - you have the #wearecisco fam behind you. Don't ever forget that." - Tammy Nguyen shares her story of realizing she was, indeed, a woman in tech.