Measurement and evaluation of a real world deployment of a challenge-response spam filter. - Jelena Isacenkova; Davide Balzarotti (Internet Measurement Conference, 2011)

The role of phone numbers in understanding cyber-crime schemes. - Andrei Costin; Jelena Isacenkova; Marco Balduzzi; Aurélien Francillon; Davide Balzarotti (PST, 2013)

Shades of gray: a closer look at emails in the gray area. - Jelena Isacenkova; Davide Balzarotti (AsiaCCS, 2014)

Inside the SCAM Jungle: A Closer Look at 419 Scam Email Operations. - Jelena Isacenkova; Olivier Thonnard; Andrei Costin; Aurélien Francillon; Davide Balzarotti (EURASIP J. Inf. Secur., 2014)