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.
Trump: Repeal the Obamacare Mandate to Cut the Top Tax Rate
President Trump repeated his call Monday to repeal the Affordable Care Act’s individual mandate as part of the tax bill. In a tweet — geotagged from Pennsylvania, not the Philippines , where Trump currently is — Trump added that the billions in savings from ending the mandate should be used to cut the top marginal rate to 35 percent and the rest on cuts for the middle class.
The Congressional Budget Office said last week that eliminating the mandate would save $338 billion over the next decade.
The current version of the House tax bill keeps the top individual income tax rate at 39.6 percent, while the Senate bill lowers it to 38.5 percent. However, mandate repeal is not currently part of either tax bill, and, as The New York Times notes, “repeal of the individual mandate was not on the list of 355 amendments that the [Senate Finance Committee] released on Sunday night.”
Tax Reform Is Hard, but the GOP Could Have Made This Easier
The Tax Policy Center’s William G. Gale writes that the GOP’s approach to the tax bill combines a $5.8 trillion tax cut with a $4.3 trillion tax increase to offset the costs. There may have been an easier way. “What if the House GOP simply tried to cut business and individual taxes by $1.5 trillion. No offsets needed. They could have distributed small tax cuts to middle-income individuals by, say, modestly expanding the earned income tax credit and raising the standard deduction. And they could have trimmed the top corporate tax rate by a few percentage points. It would not have been base-broadening tax reform, but neither is the current bill. ... Tax reform is never easy, but crafting the bill this way has vastly increased the challenge of passing it.”
Alan Greenspan: Deal with the National Debt Before Cutting Taxes
Former Federal Reserve Chairman Alan Greenspan is warning that sharply cutting taxes right now would be an economic “mistake.”
In an interview with Maria Bartiromo on the Fox Business Network Thursday, the 91-year-old Greenspan said it’s more important for President Trump and Congress to put the nation on a sustainable fiscal path by addressing rising entitlement spending driven by the aging of the U.S. population.
“Frankly, I think what we ought to be concerned about is the fact the federal debt is rising at a very rapid pace, and there’s nothing in this bill that will essentially stop that from happening," Greenspan said. "So my view is that we’re premature on fiscal stimulus, whether it’s tax cuts or expenditure increases. We’ve got to get the debt stabilized before we can even think in those terms.”
GOP’s Estate-Tax Repeal Details Would Save Super-Rich Tens of Billions Extra
It’s no surprise that the House Republicans’ tax bill includes the eventual repeal of the estate tax, a long-held GOP goal. But The Washington Post’s Glenn Kessler highlights an unexpectedly generous aspect of the current bill: It “allows the beneficiaries of estates to not pay capital gains taxes on the increase in value of assets held by the estates. That has not been a feature of most previous estate-tax bills.”
Currently, estates face a federal tax if they’re valued at more than $5.49 million for individuals or almost $11 million for couples. But, for tax purposes, the value of assets passed on to heirs gets “stepped-up” or reset to their value at the time of death. Kessler’s example: “Imagine a home that had been purchased for $250,000 but was now worth $1 million. The ‘stepped-up basis’ would be $1 million. If the heirs sold the house for $1.1 million, they would only owe capital-gains tax on the $100,000 difference, not the $850,000 difference from the original purchase price.”
The GOP bill repeals the estate tax, but also keeps the stepped-up basis — a seemingly small detail that creates a huge tax shelter. It means that heirs of large estates would save tens of billions of dollars a year when they sell assets that have appreciated in value over time — or, as Kessler puts it, that the bill will allow “tens of billions of untapped capital gains to remain beyond the reach of the U.S. government.”
Republicans Are Still Coming After Obamacare’s Individual Mandate
Speaker Paul Ryan said Sunday that House Republicans are still considering a repeal of the Obamacare individual mandate as part of their tax bill. "We have an active conversation with our members and a whole host of ideas on things to add to this bill. And that’s one of the things that’s being discussed," Ryan said on Fox News. President Trump touted the idea in a tweet last week, and Sens. Tom Cotton and Rand Paul have recently spoken in favor of using the tax bill to eliminate the mandate. The move would save the government $416 billion over 10 years as roughly 15 million people go without insurance due to lower spending on subsidies and health care services, according to the CBO. Those savings could be appealing as Republicans look for revenues in their revised tax bill. But if the controversial repeal of the mandate isn’t included in the tax bill, the White House is reportedly ready to roll out an executive order weakening the requirement that taxpayers provide proof of insurance to avoid paying a penalty.