Specter of an Accident

Gdybys nie byl w stanie zglosic wypadku bo np. New cycling awareness plan could mean cheaper motor insurance The Government has recently announced that motorists should be offered cheaper insurance if they take an awareness course for cyclists on UK roads.

Daniel Craig on the brawl that shut down Spectre

The Department for Transport is also aiming to give local councils more power in tackling parking in cycle lanes. It is looking to introduce a series of 50 measures aimed at redRead more. How Did Read more. The settlement of a personal injury claim can be a complex process.

Prom season raises specter of teen drinking’s toll - The Boston Globe

As well as analysis of medical evidence produced for both sides it is important that all heads of claim are taken into account. There may be a Read more. Thirty years ago today an explosion rocked the nuclear power plant at Chernobyl, in Ukraine, leading to the most serious nuclear disaster in history. But the effects of the accident persist, and are hampering efforts to limit global climate change.

The actual mortality caused by the Chernobyl disaster remains the subject of some dispute. The most authoritative study, published by the U. Cases of thyroid cancer among children in the area are thought to have increased, and 15 of them died in the years following the accident.

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Put simply, the nuclear power industry has never recovered from the Chernobyl disaster. The major factor is cost: At those prices nuclear simply cannot compete. Not all of that excess cost can be attributed to concerns over the risk of a new Chernobyl, but a substantial portion can. Conventional nuclear power plants require massive steel-and-concrete containment buildings, and after the accident at Three Mile Island and Chernobyl, fire protection measures were upgraded and inspections enhanced, adding to the cost of operation.

Since The Accident (Specter's Shattered Mix)

Winning a permit for a new nuclear plant in the U. For a deep examination of the costs of nuclear power, see this February analysis by Brad Plumer, of Vox. But the specter of Chernobyl makes winning approval for these technologies, not only from regulators, but also from environmental groups and the general public, very difficult. Many scientists and policymakers have concluded that achieving emissions reductions targets under the Paris climate accord is impossible without a dramatic increase in nuclear power.

Spectre has the potential of having a greater impact on cloud providers than Meltdown.

Whereas Meltdown allows unauthorized applications to read from privileged memory to obtain sensitive data from processes running on the same cloud server, Spectre can allow malicious programs to induce a hypervisor to transmit the data to a guest system running on top of it. Since Spectre represents a whole class of attacks, most likely, there cannot be a single patch for it.

Several procedures to help protect home computers and related devices from the vulnerability have been published. It has been suggested [80] that the cost of mitigation can be alleviated by processors which feature selective translation lookaside buffer TLB flushing, a feature which is called process-context identifier PCID under Intel 64 architecture, and under Alpha , an address space number ASN.

On October 8, , Intel is reported to have added hardware and firmware mitigations regarding Spectre and Meltdown vulnerabilities to its Coffee Lake-R processors and onwards. Initial mitigation efforts were not entirely without incident.

The Specter

At first, Spectre patches were reported to significantly slow down performance, especially on older computers. On the newer eighth generation Core platforms , benchmark performance drops of 2—14 percent were measured. Since exploitation of Spectre through JavaScript embedded in websites is possible, [1] Chrome 64 will include mitigations against the attack by default. Chrome 63 users can manually mitigate the attack by enabling the Site Isolation feature chrome: As of Firefox On January 4, , Google detailed a new technique on their security blog called "Retpoline" return trampoline [85] which can overcome the Spectre vulnerability with a negligible amount of processor overhead.

It involves compiler -level steering of indirect branches towards a different target that does not result in a vulnerable speculative out-of-order execution taking place. On January 25, , the current status and possible future considerations in solving the Meltdown and Spectre vulnerabilities were presented.

When Intel announced that Spectre mitigation can be switched on as a "security feature" instead of being a bug, Linux creator Linus Torvalds called the patches "complete and utter garbage". This would, as a result, only have a performance impact on processors based on Intel Skylake and newer architecture. From Wikipedia, the free encyclopedia. Archived PDF from the original on Archived from the original on Here's what Intel, Apple, Microsoft, others are doing about it".

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Retrieved October 18, Microsoft's new update kills off Intel's Spectre fix - The out-of-band update disabled Intel's mitigation for the Spectre Variant 2 attack, which Microsoft says can cause data loss on top of unexpected reboots". The hard way to disable Spectre 2 - Disabling the disruptive 'Spectre 2' bugs in Intel processors has always been quite straightforward, but on Friday night Microsoft released a download-only patch that also does the job. You probably don't want it". Intel confirms it's readying fixes". Heise online in German.