April Lorenzen

April Lorenzen

Chief Data Scientist at Zetalytics
Joined on June 2, 2017 – United States
Total Post Views: 15,712


April Lorenzen is an Internet security researcher specializing in the preemptive
 discovery of miscreant and crimeware resources in the domain name
system. In her work as Chief Data Scientist at Zetalytics, she oversees one
 of the world's most geographically diverse passive DNS systems. She has operated IoC security feeds continuously since 2004, and is the primary architect of the free open source data
 visualization tool "Mal4s”.

April volunteers extensively in the whitehat community, as a 
Senior Technical Advisor for the Messaging, Malware, Mobile Anti-Abuse
 Working Group (M3AAWG) and as a Senior Research Fellow for the 
Anti-Phishing Working Group (APWG). She received the "Global Impact"
 award from DHS S&T Cyber Security Division in 2016, and currently serves as the 
Principal Investigator at Dissect Cyber for a critical infrastructure supply chain cyber
security notification research project. In 2006, April 
received an award for "Outstanding Support in the Ongoing Battle Against 
Cyber Crime" from the National Cyber Forensics Training Alliance
 (NCFTA). She is a frequent trainer and speaker at international ISP, law
 enforcement and security industry conferences.

Information about her research project can be found at CyberNotify.org and on DHS.gov here.

Featured Blogs

Probability of ROI and Tighter Network Security by Blocking Malicious Subdomains

Failing to block a stealthy malicious host from making connections to your network could cost your company millions of dollars, a damaged reputation, and severe losses in sensitive private data. Threat intel teams have faced on-going problems: Expensive feeds that are slow to catch new threats; Chasing false positives in alerts wastes time and money; and Vendors selling a new appliance for every ill. Would 100% of your users Spot the Bot? more

Good Samaritans with Network Visibility

In a big open office 30 feet from me, a team of US Veterans speak intently on the phone to businesses large and small, issuing urgent warnings of specific cyber security threats. They call to get stubborn, confused people to take down hidden ransomware distribution sites. They call with bad news that a specific computer at the business has malware that steals login credentials. more

Topic Interests

CybercrimeCyberattackCybersecurityNetworksDomain NamesDNS SecurityDNS

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