Build Better Defenses
October 29–30, 2017: Training
October 30–November 1, 2017: Tutorials & Conference
New York, NY

Head of Research, Cisco Umbrella (OpenDNS)

Website | @DhiaLite

Dhia Mahjoub is the head of security research at Cisco Umbrella (OpenDNS), where he leads the core research team focused on large-scale threat detection and threat intelligence and advises on R&D strategy. Dhia has a background in networks and security. He has coauthored patents with OpenDNS and regularly speaks at conferences worldwide, including Black Hat, DEF CON, Virus Bulletin, Botconf, ShmooCon, FloCon, Kaspersky SAS, Infosecurity Europe, RSA, Usenix Enigma, ACSC, NCSC International One Conference, and Les Assises de la sécurité. Dhia holds a PhD in graph algorithms applied to problems in wireless sensor networks.


4:45pm–5:25pm Tuesday, October 31, 2017
Security analytics
Location: Sutton North
Thomas Mathew (Cisco Umbrella (OpenDNS)), DHIA MAHJOUB (Cisco Umbrella (OpenDNS))
Average rating: ****.
(4.00, 2 ratings)
Open source datasets contain a wealth of information that can aid security practitioners. However, large public datasets are usually unstructured and noisy, posing difficulties for researchers trying to extract useful information. Thomas Mathew and Dhia Mahjoub explain how they used graph and clustering analytics on an SSL scan dataset to identify domains associated with the Zbot botnet. Read more.