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Building a new Tor that can resist next-generation state surveillance

Tor is an imperfect privacy platform. Ars meets the researchers trying to replace it.

Since Edward Snowden stepped into the limelight from a hotel room in Hong Kong three years ago, use of the Tor anonymity network has grown massively. Journalists and activists have embraced the anonymity the network provides as a way to evade the mass surveillance under which we all now live, while citizens in countries with restrictive Internet censorship, like Turkey or Saudi Arabia, have turned to Tor in order to circumvent national firewalls. Law enforcement has been less enthusiastic, worrying that online anonymity also enables criminal activity.

Tor's growth in users has not gone unnoticed, and today the network first dubbed "The Onion Router" is under constant strain from those wishing to identify anonymous Web users. The NSA and GCHQ have been studying Tor for a decade, looking for ways to penetrate online anonymity, at least according to these Snowden docs. In 2014, the US government paid Carnegie Mellon University to run a series of poisoned Tor relays to de-anonymise Tor users. A 2015 research paper outlined an attack effective, under certain circumstances, at decloaking Tor hidden services (now rebranded as "onion services"). Most recently, 110 poisoned Tor hidden service directories were discovered probing .onion sites for vulnerabilities, most likely in an attempt to de-anonymise both the servers and their visitors.

Who can forget the now-famous "Tor stinks" slide that was part of the Snowden trove of leaked docs.

Cracks are beginning to show; a 2013 analysis by researchers at the US Naval Research Laboratory (NRL), who helped develop Tor in the first place, concluded that "80 percent of all types of users may be de-anonymised by a relatively moderate Tor-relay adversary within six months."

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Smart Home: Bosch stellt neue Kameras und Multifunktionsrauchmelder vor

Für sein Smart-Home-System Home Connect hat Bosch neue Bausteine vorgestellt: Mit zwei neuen Kameras können Außen- und Innenbereiche überwacht werden, ein neuer Rauchmelder soll zudem Gefahrensituation dank Infrarotlicht besser erkennen. Außerdem misst er noch die Luftgüte. (Ifa 2016, Heimvernetzung)

Deepmind: Googles KI soll Strahlentherapie bei Krebs optimieren

Tumore im Kopfbereich von gesundem Gewebe unterscheiden und sie dann zur Therapie bestrahlen, ist extrem aufwendig. Googles KI-Sparte Deepmind will dies mit maschinellem Lernen wesentlich beschleunigen. (Google, KI)

Qualcomm Snapdragon 821 is up to 10 percent faster than Snapdragon 820

Qualcomm’s newest processor for premium smartphones is basically a souped up version of the Snapdragon 820 chip that launched earlier this year. But while it may not use next-gen technology, Qualcomm says the new Snapdragon 821 chip is up to 10 percent faster than the Snapdragon 820, and about 5 percent more energy efficient.

Like the Snapdragon 820, the new chip is a quad-core processor with four of Qualcomm’s custom Kryo CPU cores and Adreno 530 graphics.

Continue reading Qualcomm Snapdragon 821 is up to 10 percent faster than Snapdragon 820 at Liliputing.

Like the Snapdragon 820, the new chip is a quad-core processor with four of Qualcomm’s custom Kryo CPU cores and Adreno 530 graphics.

Continue reading Qualcomm Snapdragon 821 is up to 10 percent faster than Snapdragon 820 at Liliputing.

Transformer Book 3 ausprobiert: Asus’ Surface dockt bei Spielern an

Im Grunde ist das Asus Transformer Book 3 ein Surface-Klon mit etwas aktualisierter Hardware – interessant wird das Tablet durch das Gaming-Dock mit Nvidias GTX 1080. Erstmals wird es ein Convertible geben, das auch für Spieler ansprechend sein könnte. (Ifa 2016, Notebook)

Im Grunde ist das Asus Transformer Book 3 ein Surface-Klon mit etwas aktualisierter Hardware - interessant wird das Tablet durch das Gaming-Dock mit Nvidias GTX 1080. Erstmals wird es ein Convertible geben, das auch für Spieler ansprechend sein könnte. (Ifa 2016, Notebook)

Zenwatch 3 im Hands on: Asus’ neue Smartwatch erscheint mit Zusatzakku

Mit der Zenwatch 3 hat Asus seine erste runde Smartwatch vorgestellt. Die Android-Wear-Uhr ist rund, hat programmierbare Knöpfe und ein verhältnismäßig dünnes Gehäuse. Das ermöglicht einen Zusatzakku, der beim Tragen an der Rückseite der Uhr angebracht werden kann. (Ifa 2016, Asus)

Asus introduces ZenWatch 3 Android Wear smartwatch with round display

Asus is launching its first smartwatch with a round display, and it also happens to be the first Android Wear smartwatch to feature three physical buttons on the side, as well as a touchscreen display.

The Asus ZenWatch 3 is being positioned as a more premium device than the company’s first two smartwatches, which were emphasized as budget devices with a few premium design elements.

With a starting price of 229 Euros, the ZenWatch 3 is hardly the most expensive smartwatch on the market.

Continue reading Asus introduces ZenWatch 3 Android Wear smartwatch with round display at Liliputing.

The Asus ZenWatch 3 is being positioned as a more premium device than the company’s first two smartwatches, which were emphasized as budget devices with a few premium design elements.

With a starting price of 229 Euros, the ZenWatch 3 is hardly the most expensive smartwatch on the market.

Continue reading Asus introduces ZenWatch 3 Android Wear smartwatch with round display at Liliputing.

Spin 7: Acer zeigt das weltweit dünnste Convertible

Eine Bauhöhe von 10,98 mm: Acers neues Spin 7 ist ein besonders flaches 360-Grad-Convertible. Darin stecken Intels neue Kaby-Lake-Chips, die Anschlüsse sind aufgrund der Maße jedoch beschränkt. (Acer, Notebook)

Asus unveils ZenScreen portable monitor

Have a notebook with a small display… but need a little extra screen space on the go from time to time? There are a handful of portable monitors designed to plug into the USB port of a notebook or tablet.

But the Asus ZenScreen is one of the most portable 15.6 inch monitors I’ve seen to date. It weighs about 1.8 pounds, measures less than a third of an inch thick, and has a USB Type-C connector that works both as a power adapter and as a video input.

Continue reading Asus unveils ZenScreen portable monitor at Liliputing.

Asus re-introduces 2 pound Zenbook 3 laptop with Kaby Lake processor

The Asus Zenbook 3 is 2 pound notebook that measures less than half an inch thick and which has a 12.5 inch display, up to an Intel Core i7 processor, and up to 16GB of RAM.

Asus first unveiled the Zenbook 3 at Computex in May, but now the company is re-introducing the laptop at IFA, and this time Asus is promising it’ll ship with a 7th-gen Intel Kaby Lake processor rather than a 6th-gen Skylake chip.

Continue reading Asus re-introduces 2 pound Zenbook 3 laptop with Kaby Lake processor at Liliputing.

The Asus Zenbook 3 is 2 pound notebook that measures less than half an inch thick and which has a 12.5 inch display, up to an Intel Core i7 processor, and up to 16GB of RAM.

Continue reading Asus re-introduces 2 pound Zenbook 3 laptop with Kaby Lake processor at Liliputing.