"Many of the systems we have built for authentication and session maintenance assume no man-in-the-middle attack, " he said.
When the user visits that supposedly secure site, the man-in-the-middle hacker feeds the site the cookie he already downloaded.
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These apps failed to implement standard scrambling systems, allowing "man-in-the-middle" attacks to reveal data that passes back and forth when devices communicate with websites.
Also, client-side JavaScript encryption has its limitations since it would still be susceptible to a server-side code poisoning attack executed either through a man-in-the-middle attack or the service provider acting maliciously or subject to jurisdictional court order.
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In addition to capturing regular passwords, man-in-the-middle attacks can be used to intercept one-time passcodes offered by traditional two-factor authentication systems.
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But apps written to the protocol can be vulnerable to denial-of-service, session hijacking, and man-in-the middle attacks over the Internet, as well as an attacker actually able to "watch" the transactions, says David Goldsmith, CEO of Matasano Security, who will present the firm's new research on FIX at the upcoming Black Hat USA briefings later this month.
Their man-in-the-middle positioning adds some latency to users' connection, but the Defcon rerouting suggests that it's too small for most people to notice.
The danger would have been that they could then have staged a man-in-the middle attack.
"They're stuck in this no-man's-land of being in the middle between the national and regional players, " says Lin.
Panama's famous canal links the Atlantic and Pacific Oceans and the UAE is home to the Jebel Ali port -- the biggest in the Middle East and the largest man-made harbor in the world.
Set on a man-made island in the middle of the St Lawrence River, the circuit also hits the brakes hard.
About 2, 500 people currently live on Treasure Island, a man-made island in the middle of San Francisco Bay that dates back to the late 1930s and is connected to San Francisco and Oakland by the Bay Bridge.
He never gives interviews, and the only photograph of him to appear regularly in the press shows an unremarkable middle-aged man with a quizzical look on his face and his arms folded protectively in front of him.
Behind him, a clean-cut middle aged man in a black suit stood surveying the scene in the park, taking swigs from a from a bottle of orange soda, frowning.
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Wolfowitz sat down next to a slight middle-aged man in a fraying denim jacket and a black wool cap, who said that his name was Bedir Yasa and that until recently he had been living on the streets.
Conflict in the Middle East is a man-made disaster that has the potential to take a turn to the dark side with lasting consequences.
But none of this seemed to matter to the short, long-faced, middle-aged man who was now behind the focusing cloth, clattering the shutter furiously in tenth-of-a-second bursts, to take her picture.
Choice is little more than a figment of our imagination when it comes to health insurance in our highly monopolized, middle-man-centric healthcare system.
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Robert Zarbo, a Bechtel engineer working in Iraq, approaches a middle-age man who's wearing a dress shirt and slacks.
Nakoula Basseley Nakoula, the Southern California man suspected to be behind an anti-Islam film that sparked rioting in the Middle East, has reportedly been taken into custody by federal authorities on suspicion he violated terms of a parole by uploading the film.
Even in west Leicester, a solitary middle-aged Jamaican man can walk into a pub on an almost entirely white housing estate without fear of trouble.
But, on the same day his main rivals for a middle-order berth in the 17-man squad, Usman Khawaja and Callum Ferguson, failed to fire for the second time against the England attack in Hobart, Hussey came good at the MCG.
This will result in a nasty bout of price-cutting, middle-man slaying and industry reputation tarnishing.
Twenty years ago, the typical homeless person in Paris was likely to be a single, middle-aged French man.
He was in his late 50s when he realised that as a paunchy middle-aged man, he could drop dead at any time.
Johannesburg (CNN) -- A man, struggling to get away, is surrounded by South African police in the middle of a street as a large crowd looks on.
With 67 berths and extensive dry-dock facilities, it is the largest man-made port in the world and the largest port in the Gulf region and in the Middle East.
The story, set in Lisbon, concerns Eloi (Henrique Canto e Castro), a paunchy middle-aged man, who finds Samuel (Dinis Neto Jorge), a young sad sack, about to kill himself by plunging into the sea.
Out in the middle of the water, he would submerge his imposing frame until only his Gill-Man eyes and nostrils showed above the surface.
He knew he made a comical picture, a middle-aged man, still slim, with a full head of graying hair, sitting up in bed, letting himself go, blubbering, wailing, indulging in wild, spontaneous woe.
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