PPT-KRAck Key Reinstallation Attacks: Breaking WPA2

Presented by Matt Sirkis University of tulsa cs6013 About KRACK Exploit of WPA2 4way handshake Discovered by Mathy Vanhoef and Frank Piessens of the University of Leuven Published findings October 2017. 2 04 06 Nm Time UTC 123 4 m 123 4 Figure 2 Breaking scale 05 01 02 brk c 1 05 01 02 03 brk c 2 05 01 02 03 brk c 3 05 01 02 03 brk c 4 Figure 3 brPage 6br EZ EZ v 05 10 87226 10 87225 10 87224 10 87223 cc c m 87222 s Figure 4 Total breaking rate ZZ b of Electrical Engineering Computer Science Syracuse University Syracuse New York USA xzhang35wedusyredu Abstract In this paper we perform a thorough study on the risks im posed by the globally accessible Android Clipboard Based on the risk assessme Nicole Hamilton, Dennis . Meng. , Alex . Shie. , . Lio. . Sigerson. In terms of computing, a malicious attack can be any physical or electronic action taken with the intent of acquiring, destroying, modifying, or accessing a user’s data without permission. . Yossi. Oren and . Avishai. Wool. , . http://eprint.iacr.org/2009/422. snipurl.com/e-voting. IEEE RFID’2010, Orlando FL. Agenda. What’s the Israeli e-Voting Scheme?. How can we break it cheaply and completely?. Computer Security 2014. Background. An algorithm or software can be designed to be . provably secure. .. E.g. cryptosystems, small OS kernels, TPM modules, .... Involves proving that certain situations cannot arise. Motorola, . Inc. James . Mateicka. Overview. Risks of Wireless Insecurity. Security Standards. 802.11i. WPA, WPA2, and TKIP. Risk of Wireless Insecurity. Wireless LAN’s can be sniffed or cracked.. Networks can be maliciously manipulated through an insecure wireless access point.. Dana . Dachman. -Soled. University of Maryland. danadach@ece.umd.edu. Cryptography. Public Key Encryption. Digital Signatures. Secure Multiparty Computation. Attacks. Even on “provably secure” schemes such as RSA. Vivek Ramachandran. Founder, SecurityTube.net . Shameless Self Promotion. WEP Cloaking. Defcon. 19. Caffe. Latte Attack. Toorcon. 9. Microsoft . Security Shootout. Wi-Fi Malware, 2011. 802.1x, Cat65k. Computer Security 2014. Background. An algorithm or software can be designed to be . provably secure. .. E.g. cryptosystems, small OS kernels, TPM modules, .... Involves proving that certain situations cannot arise. How the Attacks Start. Popularity of these sites with millions of users makes them perfect places for cyber attacks or cybercriminal activities. Typically happen when user log in to their social networking sites like Facebook or Twitter. AND PRAYER. Acts 2.42. They devoted themselves to the apostles’ teaching and to fellowship, to the breaking of bread and to prayer. . Acts 2.42. Koinonia. Life together. Redressing the balance….. About Road Surfaces. and . Accident Rates. By R A Rallings, ME, FIE(Aust) CP Eng . Road Surfaces- Breaking the Silence. Reasons for Paper. The silence distorts the public’s understanding of road safety.. Fall 2010. 1. Outline. Wired Equivalent Privacy (WEP). first security protocol defined in 802.11. Wi-Fi Protected Access (WPA). defined by Wi-Fi Alliance. WPA2. 802.11i. 2. In the early 1980s, the IEEE began work on developing computer network architecture standards. Fall 2010. 1. Outline. Wired Equivalent Privacy (WEP). first security protocol defined in 802.11. Wi-Fi Protected Access (WPA). defined by Wi-Fi Alliance. WPA2. 802.11i. 2. In the early 1980s, the IEEE began work on developing computer network architecture standards.