Security Threats and Attacks on Tor Maria Khan, Muhammad Saddique, Muhammad Zohaib Umar Pirzada, Afzaal Ali, Bilal Wadud Electrical and Electronics Engineering Department Cecos University of IT & Emerging Sciences Near East University, North Cyprus Peshawar, Pakistan
[email protected] [email protected] Imran Ahmad Faculty of Computing, Riphah International University Lahore, Pakistan
[email protected] Additional systems were also developed on the as- sumption that a mix will take low latency traffic. To Abstract anonymize the conversation of phone calls ISDN mixes [10], is designed, and for anonym zing web-mixes [12], The Internet is in use nowadays all over the it also follows the same pattern. At the University of world. While using the Internet, the identi- Dresden the Java Anon Proxy (JAP) is based on this ties of the sender and receiver are not hid- idea and it is fulfilled and running. den; to hide the sender and receiver iden- tities anonymous communication was intro- Tor is a connected network for anonymizing TCP duced. There are many anonymous commu- streams over the Internet [1]. It can report boundaries nication systems developed but, the Onion in design of previous Onion Routing [2-5], by build- Router (Tor) is the most deployed anonymous ing up unspoiled forward confidentiality, then bottle- communication system that provides online neck control, then data purity or integrity, then cus- anonymity and privacy. There are vast se- tomizable exit policies, then index servers, and then curity threats/attacks on Tor that are to be location-hidden services using meeting points. Tor considered.