PPT-A Precedence Graph-Based Approach to Detect Message Injection Attacks in J1939-Based Networks

Subhojeet Mukherjee Jacob Walker Indrakshi Ray Colorado State University Jeremy Daily University of Tulsa The Issue at Hand Embedded devices control driving critical operations ECUs. • Injection:• Injection:• Injection:• Injection: STELARA PRESENTED By. Sravani . kambam. 1. Outline:. Introduction. Attacks on Wi-Fi . . Networks. DAIR Architecture. Detecting Attacks. Experimental Results. Channel Assignment. Limitations. Related Work. Future Work. Abstract. Ad hoc low-power wireless networks are an exciting research direction in sensing and pervasive computing. .. . Prior security work in this area has focused primarily on denial of communication at the routing or medium access control levels. . DoS Attacks . in . Broadcast Authentication . in . Sensor Networks. . (. Ronghua. Wang, . Wenliang. Du, . Peng. . Ning. ). Advanced Computer Networks . CS577 – Fall 2013. WPI, Worcester.. Presented by . Compiler Principles. Lecture 6: Parsing part 5. Roman . Manevich. Ben-Gurion University. Tentative syllabus. 2. mid-term. exam. Previously. 3. Scanning. LL parsing. Recursive descent. FIRST/FOLLOW/NULLABLE. Slide . 1. Unsafe Server Code. advisorName. = . params. [:form][:advisor]. students = . Student.find_by_sql. (. "SELECT students.* " +. "FROM students, advisors " +. "WHERE . student.advisor_id. Fabian Kuhn. Algorithms and Complexity Group. University of Freiburg. Germany. 2. Modeling Wireless Communication. Network modeled as a graph . k. nown as “radio network model” or “protocol model”. Precedence:-. Precedence means how an expression like xRySz . Should be evaluated ,here R and S are different operators. If R has the higher precedence than S, it will be evaluated as (xRy). Sz. , while if S has the higher precedence than R it will be treated as xR(. The rules of precedence determine the . order . in which expressions are evaluated . and . calculated. . . The next table lists the default order of precedence. . You can override the default order by using . Based on material by Prof. Vern . Paxson. , UC Berkeley. Detecting Attacks. Given a choice, we’d like our systems to be airtight-secure. But often we don’t have that choice. #1 reason why not: cost (in different dimensions). Sushmita Roy. sroy@biostat.wisc.edu. Computational Network Biology. Biostatistics & Medical Informatics 826. Computer Sciences 838. https://compnetbiocourse.discovery.wisc.edu. Nov 1. st. 2016. Some material is adapted from lectures from Introduction to Bioinformatics. Paxson. , UC Berkeley. Detecting Attacks. Given a choice, we’d like our systems to be airtight-secure. But often we don’t have that choice. #1 reason why not: cost (in different dimensions). A (messy) alternative: detect misuse rather than build a system that can’t be misused. 1. Concept. The primary reason for any CAP voice net is the passing of message traffic. It does not matter if the traffic is formal (written) traffic or informal (verbal) traffic, real or for training purposes, the handling of that message traffic is the reason for the net structure, discipline and operation.. Samuel Jero. , . Hyojeong. Lee, and Cristina Nita-. Rotaru. Purdue University. DSN 2015. 1. Transport Protocols . C. ritical to today’s Internet. Used by many applications. Underlie secure protocols like TLS.