Hacking a Linux PC at a Close Distance without Being Connected to a Network

The attack allows the attacker to execute arbitrary code on another PC running Linux. The exploit is possible due to an extremely serious vulnerability in Bluetooth stack inside Linux. The attacker literally can run an application of his choice on the other PC. The exploit was found by Andy Nguyen, a security researcher at Google. …

Continue reading ‘Hacking a Linux PC at a Close Distance without Being Connected to a Network’ »

China is Banning TCP/IP

Arguably an open free and neutral Internet network has never existed and it was all a cynical game of telcos, pretending to obey a bunch of public standards and apply international treaties, in order to expand their monopolistic empires abroad and steal business from other telcos. This world of deception, which also has enabled intelligence …

Continue reading ‘China is Banning TCP/IP’ »

Huge Win for Europeans, Americans and Human Rights at Large – Against Facebook and other Data Hungry Internet Giants

Max Schrems, an Austrian lawyer and privacy rights advocate, has been fighting in courts since 2011 against Facebook and other abusive corporations whose business model is stealing our data and our lives and our businesses, against our will and against our interests, and to transform us into slaves and puppets, in a mass-surveillance based stalker …

Continue reading ‘Huge Win for Europeans, Americans and Human Rights at Large – Against Facebook and other Data Hungry Internet Giants’ »

Can the Internet become Unstoppable?

There is a chance the the Internet will be completely transformed. One wind of change blows from blockchain tech community. Another from Communist China. Essentially all the technology we know, could disappear completely, and could be replaced by something completely different, a different set of protocols and systems. For decades the so called “Internet” was …

Continue reading ‘Can the Internet become Unstoppable?’ »

30 Years Ago

Exactly 30 years ago, Stasi was dissolved. 13 January 1990. 91,000 full time employees and 189,000 unofficial collaborators and informants lost their jobs and privileges. The German government has done a lot to preserve anything which Stasi has ever done. Some links: At this moment in Brussels, inside the EU Parliament there is an exposition on this …

Continue reading ‘30 Years Ago’ »

A New Attack on Data Encryption Standard (DES)

There is abundant literature on the security of Data Encryption Standard (DES or 3DES). Today we have released a new way to attack this cipher, see Section 11 in here. Anyone who reads this paper should immediately see that the high confidence which have developed over decades in research community about our ability to design secure block …

Continue reading ‘A New Attack on Data Encryption Standard (DES)’ »

How to Backdoor a Block Cipher

I have written an elementary tutorial and a first proof of concept about how to backdoor a block cipher in a quite general setting. Potentially it applies to any block cipher. Success is not guaranteed though, see the paper. ADDED 2 JAN 2019: a new paper shows that invariants of higher degree are substantially more powerful. …

Continue reading ‘How to Backdoor a Block Cipher’ »

The Low Cost of 51% Attacks

A web page shows that many crypto currencies lack protection against 51% attacks. For example to double spend in Dash, one needs to pay only 14K$ per hour. To double spend in bitcoin private, 1000$ will suffice. And course benefits of double spending can easily outweigh the costs. In addition some of the higher numbers are questionable. There …

Continue reading ‘The Low Cost of 51% Attacks’ »

Who Can Stand Up Against Abusive Internet Giants? And the Original Sin of the Internet

These companies (Facebook, Google, etc) known as Internet Giants violate our privacy everyday and they have corrupted our minds and our economy worldwide. They have built a totalitarian dystopian future which is here already, where humans and business alike are enslaved by a digital mafia which aims at controlling and taxing the whole global economy through mass surveillance and …

Continue reading ‘Who Can Stand Up Against Abusive Internet Giants? And the Original Sin of the Internet’ »

Bitcoin Crazy Ride Hits Wall Street

It is a big success for bitcoin and coincides with an incredible price rally where bitcoin has accomplished in 2017. In first days of 2017, bitcoin was worth 1000$. 5 months later in May it was at 2000$, 3 months later in August it was at 4000$, and after another 3 months in November it was at …

Continue reading ‘Bitcoin Crazy Ride Hits Wall Street’ »