Tamara Bondar, Hala Assal, AbdelRahman Abdou (Carleton University)

In efforts to understand the reasons behind Internet-connected devices remaining vulnerable for a long time, previous literature analyzed the effectiveness of large-scale vulnerability notifications on remediation rates. Herein we focus on the perspective of system administrators. Through an online survey study with 89 system administrators worldwide, we investigate factors affecting their decisions to remediate or ignore a security vulnerability. We use Censys to find servers with vulnerable public-facing services, extract the abuse contact information from WHOIS, and email an invitation to fill out the survey. We found no evidence that awareness of the existence of a vulnerability affects remediation plans, which explains the consistently small remediation rates following notification campaigns conducted in previous research. More interestingly, participants did not agree on a specific factor as the primary cause for lack of remediation. Many factors appeared roughly equally important, including backwards compatibility, technical knowledge, available resources, and motive to remediate.

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Tony Nasr (Concordia University), Sadegh Torabi (George Mason University), Elias Bou-Harb (University of Texas at San Antonio), Claude Fachkha (University of Dubai), Chadi Assi (Concordia University)

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Chongqing Lei (Southeast University), Zhen Ling (Southeast University), Yue Zhang (Jinan University), Kai Dong (Southeast University), Kaizheng Liu (Southeast University), Junzhou Luo (Southeast University), Xinwen Fu (University of Massachusetts Lowell)

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Faysal Hossain Shezan (University of Virginia), Zihao Su (University of Virginia), Mingqing Kang (Johns Hopkins University), Nicholas Phair (University of Virginia), Patrick William Thomas (University of Virginia), Michelangelo van Dam (in2it), Yinzhi Cao (Johns Hopkins University), Yuan Tian (UCLA)

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Exploiting Transport Protocol Vulnerabilities in SAE J1939 Networks

Rik Chatterjee, Subhojeet Mukherjee, Jeremy Daily (Colorado State University)

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