Friday, December 11, 2015

Netiquette IQ Technical Term Of The Day Man in the Middle (MitM) Attack


Man-in-the-Middle attack (MitM) definition
http://cdn.ttgtmedia.com/rms/onlineImages/rouse_margaret.jpg
Posted by: Margaret Rouse
Contributor(s): Mike Cobb
is one in which the attacker secretly intercepts and relays messages between two parties who believe they are communicating directly with each other.
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MiTM attacks pose a serious threat to online security because they give the attacker the ability to capture and manipulate sensitive information in real-time. The attack is a type of eavesdropping in which the entire conversation is controlled by the attacker. Sometimes referred to as a session hijacking attack, MiTM has a strong chance of success when the attacker can impersonate each party to the satisfaction of the other.
A common method of executing a MiTM attack involves distributing malware that provides the attacker with access to a user’s Web browser and the data it sends and receives during transactions and conversations. Once the attacker has control, he can redirect users to a fake site that looks like the site the user is expecting to reach. The attacker can then create a connection to the real site and act as a proxy in order to read, insert and modify the traffic between the user and the legitimate site. Online banking and e-commerce sites are frequently the target of MITM attacks so that the attacker can capture login credentials and other sensitive data.
Most cryptographic protocols include some form of endpoint authentication specifically to prevent MITM attacks. For example, the Transport Layer Security (TLS) protocol can be required to authenticate one or both parties using a mutually trusted certification authority. Unless users take heed of warnings when a suspect certificate is presented, however, an MITM attack can still be carried out with fake or forged certificates.

An attacker can also exploit vulnerabilities in a wireless router’s security configuration caused by weak or default passwords. For example, a malicious router, also called an evil twin, can be setup in a public place like a café or hotel to intercept information traveling through the router. Other ways that attackers often carry out man-in-the-middle attacks include Address Resolution Protocol (ARP) spoofing, domain name system (DNS) spoofing, Spanning Tree Protocol (STP) mangling, port stealing, Dynamic Host Configuration Protocol (DHCP) spoofing, Internet Control Message Protocol (ICMP) redirection, traffic tunneling and route mangling.






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For a great email parody, view the following link:

https://www.youtube.com/watch?v=HTgYHHKs0Zw&__scoop_post=bcaa0440-2548-11e5-c1bd-90b11c3d2b20&__scoop_topic=2455618



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In addition to this blog, Netiquette IQ has a website with great assets which are being added to on a regular basis. I have authored the premiere book on Netiquette, “Netiquette IQ - A Comprehensive Guide to Improve, Enhance and Add Power to Your Email". My new book, “You’re Hired! Super Charge Your Email Skills in 60 Minutes. . . And Get That Job!” will be published soon follow by a trilogy of books on Netiquette for young people. You can view my profile, reviews of the book and content excerpts at:

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Lastly, I am the founder and president of Tabula Rosa Systems, a company that provides “best of breed” products for network, security and system management and services. Tabula Rosa has a new blog and Twitter site which offers great IT product information for virtually anyone.
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