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Encryption

Github Kills Search After Hundreds of Private Keys Exposed 176

mask.of.sanity writes "Github has killed its search function to safeguard users who were caught out storing keys and passwords in public repositories. 'Users found that quite a large number of users who had added private keys to their repositories and then pushed the files up to GitHub. Searching on id_rsa, a file which contains the private key for SSH logins, returned over 600 results. Projects had live configuration files from cloud services such as Amazon Web Services and Azure with the encryption keys still included. Configuration and private key files are intended to be kept secret, since if it falls into wrong hands, that person can impersonate the user (or at least, the user's machine) and easily connect to that remote machine.' Search links popped up throughout Twitter pointing to stored keys, including what was reportedly account credentials for the Google Chrome source code repository. The keys can still be found using search engines, so check your repos."
Power

Electric Car Environmental Impact: Power Source Matters 341

another random user writes with news of a study from the Norwegian University of Science and Technology, which looked into the environmental impact of electric vehicles — not just how they do when driven, but how they are produced and by what means they are charged. The study pointed out that the production of EVs has twice as much of an environmental impact as the production of typical gas-powered cars, which must be taken into account when comparing the two. Also, they say it's important to consider the source of the electricity used to charge the vehicles. In places like Europe, where a good chunk of the electricity comes from renewable sources, EVs do indeed provide a benefit to the environment. However, "In regions where fossil fuels are the main sources of power, electric cars offer no benefits and may even cause more harm." The study says, "It is counterproductive to promote electric vehicles in regions where electricity is primarily produced from lignite, coal or even heavy oil combustion."

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