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Iceland - 2015
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28 Sep 2015

Cookie handling in browsers can break HTTPS security

Cookies, the files that websites create in browsers to remember logged-in users and track other information about them, could be abused by attackers to extract sensitive information from encrypted HTTPS connections.

The issue stems from the fact that the HTTP State Management standard which defines how cookies should be created and handled, does not specify any mechanism for isolating them or checking their integrity. As such, Web browsers don't always authenticate the domains that set cookies. ookies are also not isolated by port number or scheme. A server can host multiple websites accessible via the same domain, but on different port numbers.

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Tags:
cookies HTTPS information leaks
Source:
PCWorld
1897
19 Aug 2015

Does your mobile carrier track you online?

Wireless carriers worldwide are still tracking users via "supercookies" or "perma-cookies," yet Americans are tracked by U.S. wireless carriers more than any other carrier in any other country.

Injecting tracking headers out of the control of users, without their informed consent, may abuse the privileged position that telcos occupy. Those tracking headers leak private information about users and make them vulnerable to criminal attacks or even government surveillance. It came to light in 2014 that Verizon Wireless and AT&T were injecting special tracking headers, aka "supercookies," to secretly monitor users' web browsing habits.

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Tags:
surveillance cookies USA
Source:
Network World
2318
15 Jan 2015

The tracking cookie that you can’t kill

An online advertising clearinghouse relied on by Google, Yahoo and Facebook is using controversial cookies that come back from the dead to track the web surfing of Verizon customers.

The company is taking advantage of a hidden un-deletable number that Verizon uses to monitor customers’ habits on their smartphones and tablets. It uses the Verizon number to re-spawn tracking cookies that users have deleted.The company’s zombie cookie comes amid a controversy about a new form of tracking the telecom industry has deployed to shadow mobile phone users.

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Tags:
USA surveillance cookies Verizon
Source:
Mashable
2285
8 Jan 2015

Cookies: what do you need to know?

Have you ever been browsing the Internet and had a banner ad pop up for a product you’ve previously searched for? When you visit a favorite website, does it have your login information stored for you? Are your online shopping carts flooded with recommendations retailers think you might like?

It may seem like the websites you’re visiting know you inside and out, but that’s because, thanks to cookies, they do. And when we say cookies we’re not talking about the sweet treats you indulge in to satisfy a midday sugar craving, we’re talking Internet cookies, or tracking devices that follow your online behavior. What are cookies?

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Tags:
data protection cookie
Source:
Kaspersky Daily
3352
17 Nov 2014

AT&T stops using invasive ‘perma-cookies’

AT&T says it has stopped using a controversial mobile technology that could be misused by advertising networks to track online users regardless of their wishes. Until last week, the company had been inserting a unique identifier in web traffic sent by phones and other devices on its wireless network.

It was doing this as part of a test program, which has now been stopped. Privacy advocates hate these unique identifiers, because there’s no way to turn them off. That means that they can be used by advertising networks to circumvent privacy tools such as do-not-track lists or private browsing settings.

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Tags:
AT&T surveillance Verizon cookies
Source:
Wired
2215
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Axarhöfði 14,
110 Reykjavik, Iceland

Iceland - 2015