How IBM Is Making Your Passwords Useless
For years, quantum computing has been hailed as a technology that could change the way the modern world works, but a long-standing technical issue has kept that potential from being realized. Now, in a paper published in the journal Nature last week, IBM scientists have taken a big step (see how I avoided the temptation to make a pun there?) toward solving that problem — and while it could represent progress toward making quatum computers real, it also could mean that current cybersecurity standards will soon be much easier to crack. In other words, your passwords could be obsolete soon.
The power of quantum computing has some obvious appeal: The increase in processing power could speed up research, especially in big data applications. Problems with large datasets, or those that need many millions (or billions, or more) of simulations to develop a working theory, would be able to be run at speeds unthinkable today. This could mean giant leaps forward in medical research, where enhanced simulations can be used to test cancer treatments or work on the development of new vaccines for ebola, HIV, malaria and the other diseases. High-level physics labs like CERN could use the extra power to increase our understanding of the way the universe at large works.
But the most immediate impact for the regular person would be in the way your private information is kept safe. Current encryption relies on massively large prime numbers to encode your sensitive information. Using combinations of large prime numbers means that anyone trying to crack such encryption needs to attempt to factor at least one of those numbers to get into encrypted data. When you buy something from, say, Amazon, the connection between your computer and Amazon is encrypted using that basic system (it's more complicated than that, but that's the rough summary). The time it would take a digital computer to calculate these factors is essentially past the heat death of the universe. (Still, this won't help you if your password is password, or monkey, or 123456. Please, people, use a password manager.)
Quantum computing, however, increases processing speed and the actual nature of the computation so significantly that it reduces that time to nearly nothing, making current encryption much less secure.
The IBM researcher that could make that happen is complicated, and it requires some background explanation. For starters, while a "traditional" computing bit can be either a 0 or a 1, a quantum computing bit can have three (or infinite, depending on how you want to interpret the concept) states. More specifically, a qubit can be 0, 1, or both.
Up until now, the both part of that caused some problems in realizing the power of quantum computing.
Apparently — and you'll have to take this on faith a bit, as it hurts my head to think about it — the both state can switch back to either 0 or 1 at any given point, and sometimes incorrectly, based on the logic in the programming. Think about when your phone freezes up for a second or two while you're matching tiles. This is its processor handling vast amounts of information and filtering out the operations that fail for any number of reasons, from buggy code to malware to basic electrical noise. When there are only the two binary states, this is a process that usually happens behind the scenes and quickly.
The hold-up with quantum computing up until now is that the vastly greater potential for errors has stymied attempts to identify and nullify them. One additional wrinkle in this reading quantum states is familiar to anyone with basic science fiction knowledge, or perhaps just the ailurophobics. What if the action of reading the qubit actually causes it to collapse to 0 or 1?
The very smart people at IBM think they've solved this. The actual technical explanation is involved, and well beyond my ability to fully follow, but the gist is that instead of just having the qubits arrayed in a lattice on their own, they are arranged such that neighbors essentially check each other, producing the ability to check the common read problems.
That opens the door to further quantum computing developments, including ones that will make your password a thing of the past. So, does this mean that you need to start hoarding gold? No, not yet. And hopefully before quantum computing reaches commercial, or even simply industrial/governmental levels, a better cyber security method will be in place. Or the robots will have already taken over. I for one welcome them.
Goldman Sachs Says Corporate Tax Rate Cuts May Get Phased In
Despite the challenges the Republican tax overhaul faces, Goldman Sachs still puts the chances of a plan becoming law by early next year at about 65 percent — but its analysts see some substantial changes coming before that happens. “The proposed tax cut is more front-loaded than we have expected; official estimates suggest a tax cut of 0.75% of GDP in 2018. However, we expect the final version to have a smaller near-term effect as competing priorities lead tax-writers to phase in some cuts—particularly corporate rate cuts—over time,” Goldman said in a note to clients Sunday.
The Hidden Tax Bracket in the GOP Plan
Politico’s Danny Vinik: “Thanks to a quirky proposed surcharge, Americans who earn more than $1 million in taxable income would trigger an extra 6 percent tax on the next $200,000 they earn—a complicated change that effectively creates a new, unannounced tax bracket of 45.6 percent. … The new rate stems from a provision in the bill intended to help the government recover, from the very wealthy, some of the benefits that lower-income taxpayers enjoy. … After the first $1 million in taxable income, the government would impose a 6 percent surcharge on every dollar earned, until it made up for the tax benefits that the rich receive from the low tax rate on that first $45,000. That surcharge remains until the government has clawed back the full $12,420, which would occur at about $1.2 million in taxable income. At that point, the surcharge disappears and the top tax rate drops back to 39.6 percent.”
Vinik writes that the surcharge would have affected more than 400,000 tax filers in 2015, according to IRS data, and that it could raise more than $50 billion in revenue over a decade. At a Politico event Friday, House Ways and Means Chairman Kevin Brady said the surcharge, sometimes called a bubble rate, was included to try to drive more middle-class tax relief.
Read the Republican Tax Bill, Plus the Talking Points to Sell the Plan
House Republicans on Thursday released a 429-page draft of their "Tax Cuts and Jobs Act." Read the bill below, or scroll down for the House summary or a more digestible GOP list of highlights.
Another Analysis Finds GOP Tax Plan Would Balloon Deficits
A study by the University of Pennsylvania’s Wharton School, using the Penn Wharton Budget Model (PWBM), finds that three modeled versions of the plan would raise deficits by up to $3.5 trillion over 10 years and as much as $12.2 trillion by 2040. The lowest-cost plan modeled in the study — a version that would tax corporate income at 25 percent instead of the GOP’s proposed 20 percent and pass-through income at 28 percent instead of 25 percent, among a host of other assumptions and tweaks — would lose $1.5 trillion over 10 years, or $1 trillion after accounting for economic feedback effects. (The budget adopted by Republicans last week allows for up to $1.5 trillion to the added to the deficit.) The study also found that workers’ wages would increase by about 1.4 percent over a decade, far shy of the estimated benefits being claimed by the White House.
The Budget Vote May Depend on a SALT Deal
House GOP members concerned about the proposal to repeal the deduction for state and local taxes are supposed to meet with party leaders Wednesday evening. They’re reportedly looking to reach a compromise deal to keep the tax break in some form — and the budget vote might be at stake, Bloomberg reports: “House Republicans hold 239 seats and need 217 votes to adopt the budget — a critical step to passing tax changes without Democratic support. That means 23 defections could sink the budget resolution — assuming no absences or Democratic support.”