Geoffrey M. Voelker

research   Systems and Networking Research Group
  Security and Cryptography Research Group

Unfiltered: Measuring Cloud-based Email Filtering Bypasses
Rao, Liu, Ho, Voelker and Savage. WWW 2024

An Empirical Analysis of Enterprise-Wide Mandatory Password Updates
Mirian, Ho, Savage and Voelker. ACSAC 2023

In the Line of Fire: Risks of DPI-triggered Data Collection
Mirian, Ukani, Foster, Akiwate, Halicioglu, Moore, Snoeren,Voelker and Stefan Savage. CSET 2023

Understanding the Viability of Gmail's Origin Indicator for Identifying the Sender
Liu, Sun, Bellon, Ho, Savage, Voelker and Munyaka. SOUPS 2023

No Privacy Among Spies: Assessing the Functionality and Insecurity of Consumer Android Spyware Apps
Liu, Rao, Havron, Ho, Savage, Voelker and McCoy. PETS 2023

Forward Pass: On the Security Implications of Email Forwarding Mechanism and Policy
Liu, Akiwate, Jonker, Mirian, Ho, Voelker and Savage. EuroS&P 2023

The Challenges of Blockchain-based Naming Systems for Malware Defenders
Randall, Hardaker, Schulman, Savage and Voelker. eCrime 2022

Retroactive Identification of Targeted DNS Infrastructure Hijacking
Akiwate, Sommese, Jonker, Durumeric, Claffy, Voelker and Savage. IMC 2022

Where .ru? Assessing the Impact of Conflict on Russian Domain Infrastructure
Jonker, Akiwate, Affinito, Claffy, Botta, Voelker, van Rijswijk-Deij and Savage. IMC 2022

Measuring UID Smuggling in the Wild
Randall, Snyder, Ukani, Snoeren, Voelker, Savage and Schulman. IMC 2022

Measuring Security Practices
DeKoven, Randall, Mirian, Akiwate, Blume, Saul, Schulman, Voelker and Savage. CACM 2022

Domain Name Lifetimes: Baseline and Threats
Affinito, Sommese, Akiwate, Savage, Claffy, Voelker, Botta and Jonker. TMA 2022

FaaSnap: FaaS Made Fast Using Snapshot-based VMs
Ao, Porter and Voelker. EuroSys 2022

Risky BIZness: Risks Derived from Registrar Name Management
Akiwate, Savage, Voelker and Claffy. IMC 2021

Who's Got Your Mail? Characterizing Mail Service Provider Usage
Liu, Akiwate, Jonker, Mirian, Savage and Voelker. IMC 2021

Home is Where the Hijacking is: Understanding DNS Interception by Residential Routers
Randall, Liu, Padmanabhan, Akiwate, Voelker, Savage and Schulman. IMC 2021

Characterization of Anycast Adoption in the DNS Authoritative Infrastructure
Sommese, Akiwate, Jonker, Moura, Davids, van Rijswijk-Deij, Voelker, Savage, Claffy and Sperotto. TMA 2021

Hopper: Modeling and Detecting Lateral Movement
Ho, Dhiman, Akhawe, Paxson, Savage, Voelker and Wagner. USENIX Security 2021

Clairvoyance: Inferring Blocklist Use on the Internet
Li, Akiwate, Levchenko, Voelker and Savage. PAM 2021


teaching CSE 120 (F23) (F22) (F20) (F19) (S19) (S18)
CSE 125 (S24) (S23) (S22) (S21) (S20) (S19) (S18)
CSE 221 (W23) (W22) (W21) (W20) (F18)
CSE 222 (W01)
CSE 291 (F06) (F05) (F04) (W00)
CSE 294 (Quarterly)

Office Hours: Mon 3-4pm and by appointment

phd students
Enze "Alex" Liu
Elisa Luo
Sumanth Rao
ms students
Katherine Izhikevich

phd students
Ariana Mirian   (Summer 2023)
Audrey Randall   (Spring 2023)
Gautam Akiwate   (Spring 2022)
Lixiang Ao   (Winter 2022)
Louis DeKoven   (Spring 2019)
Neha Chachra   (Winter 2016)
Matt Der   (Summer 2015)
Tristan Halvorson   (Summer 2015)
He Liu   (Winter 2015)
Qing Zhang   (Fall 2014)
David Wang   (Summer 2014)
Do-kyum Kim   (Summer 2014)
Feng Lu   (Summer 2014)
Andreas Pitstillidis   (Fall 2013)
Gjergji Zyba   (Spring 2013)
Chris Kanich   (Spring 2012)
Marti Motoyama   (Fall 2011)
Michael Vrable   (Spring 2011)
Justin Ma   (Spring 2010)
Marvin McNett   (Fall 2008)
David Moore
Yu-Chung Cheng   (Summer 2007)
Kiran Tati   (Fall 2006)
Flavio Junqueira   (Spring 2006)
Renata Teixeira   (Summer 2005)
Leeann Bent   (Summer 2005)
Ranjita Bhagwan   (Summer 2004)
Anand Balachandran   (Fall 2003)
Song Cen   (Summer 2002)
ms students
Erin McGinnis   (Spring 2019)
Liz Izhikevich   (Summer 2018)
Benjamin Braun   (Spring 2016)
Gautam Akiwate   (Spring 2015)
Mohit Kothari   (Spring 2015)
Moitrayee Gupta   (Summer 2011)
Jennifer Chiang   (Summer 2007)
Chris Fleizach   (Spring 2007)
David Anderson   (Spring 2007)
Troy Trimble   (Spring 2006)
Vijay Chellappa   (Spring 2006)
Doug Brown   (Winter 2003)
Ping Guan   (Winter 2003)
John-Paul Fryckman   (Winter 2003)
Kelsey Anderson   (Fall 2002)
Andreas Anagnostatos   (Fall 2001)
Dimitra Koletsou   (Spring 2001)
activities Tau Beta Pi (CA Psi Chapter)
UCSD Video Game Development Club
UCSD CSE Holiday Party
software Banal format checker
affiliations CNS   CAIDA   CWC    


contact info Dept. of Computer Science and Engineering
University of California, San Diego
9500 Gilman Drive, Mail Code 0404
La Jolla, CA 92093-0404

Office: EBU3B 3108
+1-858-822-3323 (voice)
+1-858-534-7029 (fax)

Assistant: Jennifer Folkestad