Andrea Kaiser Andrea began her career in infrastructure support and worked as a sysadmin for 12 years. Security has always been her passion. She began working with OpenDNS in 2015 as a security researcher. OpenDNS transitioned to be Cisco Umbrella, and has grown to have 175 billion Internet requests a day, allowing a great view for the security research teams. Andrea now manages the Security Research Analysts team. The analysts work to identify malicious requests coming from attacker or compromised infrastructure related to cybercriminal activities. Andrea has presented at BSides Las Vegas, BSides Amsterdam, DeepSec, and SANS Threat Hunting and Incident Response Summit. Her presentations have been about botnet communications, and how to gather IOCs related to malicious activity through threat hunting.