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Paul Merrell

Your Computer May Already be Hacked - NSA Inside? | Steve Blank - 1 views

steveblank.com/...y-already-be-hacked-nsa-inside

surveillance state NSA NSA-targets NSA-backdoors CPU-backdoors

shared by Paul Merrell on 22 Dec 13 - No Cached
  • But while the interviewer focused on the Skype revelation, I thought the most interesting part was the other claim, “that the National Security Agency already had pre-encryption stage access to email on Outlook.”  Say what??  They can see the plaintext on my computer before I encrypt it? That defeats any/all encryption methods. How could they do that? Bypass Encryption While most outside observers think the NSA’s job is cracking encrypted messages, as the Prism disclosures have shown, the actual mission is simply to read all communications. Cracking codes is a last resort.
  • The NSA has a history of figuring out how to get to messages before or after they are encrypted. Whether it was by putting keyloggers on keyboards and recording the keystrokes or detecting the images of the characters as they were being drawn on a CRT. Today every desktop and laptop computer has another way for the NSA to get inside. Intel Inside It’s inevitable that complex microprocessors have bugs in them when they ship. When the first microprocessors shipped the only thing you could hope is that the bug didn’t crash your computer. The only way the chip vendor could fix the problem was to physically revise the chip and put out a new version. But computer manufacturers and users were stuck if you had an old chip. After a particularly embarrassing math bug in 1994 that cost Intel $475 million, the company decided to fix the problem by allowing it’s microprocessors to load fixes automatically when your computer starts.
  • Starting in 1996 with the Intel P6 (Pentium Pro) to today’s P7 chips (Core i7) these processors contain instructions that are reprogrammable in what is called microcode. Intel can fix bugs on the chips by reprogramming a microprocessors microcode with a patch. This patch, called a microcode update, can be loaded into a processor by using special CPU instructions reserved for this purpose. These updates are not permanent, which means each time you turn the computer on, its microprocessor is reset to its built-in microcode, and the update needs to be applied again (through a computer’s BIOS.). Since 2000, Intel has put out 29 microcode updates to their processors. The microcode is distributed by 1) Intel or by 2) Microsoft integrated into a BIOS or 3) as part of a Windows update. Unfortunately, the microcode update format is undocumented and the code is encrypted. This allows Intel to make sure that 3rd parties can’t make unauthorized add-ons to their chips. But it also means that no one can look inside to understand the microcode, which makes it is impossible to know whether anyone is loading a backdoor into your computer.
  • ...3 more annotations...
  • Or perhaps the NSA, working with Intel and/or Microsoft, have wittingly have put backdoors in the microcode updates. A backdoor is is a way of gaining illegal remote access to a computer by getting around the normal security built-in to the computer. Typically someone trying to sneak malicious software on to a computer would try to install a rootkit (software that tries to conceal the malicious code.) A rootkit tries to hide itself and its code, but security conscious sites can discover rootkits by tools that check kernel code and data for changes. But what if you could use the configuration and state of microprocessor hardware in order to hide? You’d be invisible to all rootkit detection techniques that checks the operating system. Or what if you can make the microprocessor random number generator (the basis of encryption) not so random for a particular machine? (The NSA’s biggest coup was inserting backdoors in crypto equipment the Swiss sold to other countries.) Rather than risk getting caught messing with everyone’s updates, my bet is that the NSA has compromised the microcode update signing keys  giving the NSA the ability to selectively target specific computers. (Your operating system ensures security of updates by checking downloaded update packages against the signing key.) The NSA then can send out backdoors disguised as a Windows update for “security.” (Ironic but possible.) That means you don’t need backdoors baked in the hardware, don’t need Intel’s buy-in, don’t have discoverable rootkits, and you can target specific systems without impacting the public at large.
  • A few months ago these kind of discussions would have been theory at best, if not paranoia.
  • The Prism disclosures prove otherwise – the National Security Agency has decided it needs the ability to capture all communications in all forms. Getting inside of a target computer and weakening its encryption or having access to the plaintext of encrypted communication seems likely. Given the technical sophistication of the other parts of their surveillance net, the surprise would be if they haven’t implemented a microcode backdoor. The downside is that 1) backdoors can be hijacked by others with even worse intent. So if NSA has a microcode backdoor – who else is using it? and 2) What other pieces of our infrastructure, (routers, smartphones, military computers, satellites, etc) use processors with uploadable microcode? —— And that may be why the Russian president is now using a typewriter rather than a personal computer.
Paul Merrell

ITAR-TASS: Economy - Russia wants to replace US computer chips with local processors - 0 views

en.itar-tass.com/736804

Russia microprocessors economy NSA-reform

shared by Paul Merrell on 24 Jun 14 - No Cached
  • MOSCOW, June 19. /ITAR-TASS/. Russia’s Industry and Trade Ministry plans to replace US microchips Intel and AMD, used in government’s computers, with domestically-produced micro processor Baikal in a project worth dozens of millions of dollars, business daily Kommersant reported Thursday. The Baikal micro processor will be designed by a unit of T-Platforms, a producer of supercomputers, next year, with support from state defense conglomerate Rostec and co-financing by state-run technological giant Rosnano.
  • The first products will be Baikal M and M/S chips, designed on the basis of 64-bit nucleus Cortex A-57 made by UK company ARM, with frequency of 2 gigahertz for personal computers and micro servers. The Baikal chips will be installed on computers of government bodies and in state-run firms, which purchase some 700,000 personal computers annually worth $500 million and 300,000 servers worth $800 million. The total volume of the market amounts to about 5 million devices worth $3.5 billion.
  • Paul Merrell on 24 Jun 14
     
    Wish there was more detail. Is this to save money, to protect from NSA intrusion, to lessen dependence on a U.S.-controlled critical technology, to wage economic warfare against the U.S., other?
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