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Earth

Submission + - NASA shoots down comet Elenin doomsday predictions (networkworld.com)

coondoggie writes: "The comet Elenin which will pass by Earth October 16 has generated such an inordinate amount of doomsday reports from a number of different sources that NASA today issued a release meant to address a variety of them. To address the myriad concerns, NASA said its scientists compiled a list of the most popular questions it has received about Elenin."
Security

Submission + - How to steal ATM PINs with a thermal camera (sophos.com)

An anonymous reader writes: Researchers from UCSD have demontrated how thermal imagery cameras can be used to steal customers' PINs when you withdraw cash from ATMs.

Their paper, entitled "Heat of the Moment: Characterizing the Efcacy of Thermal Camera-Based Attacks", discovered that plastic PIN pads were the best for retaining heat signatures showing which numbers (and in which order) were used by bank customers.

Fortunately the methodology does not appeared to have been used by criminals yet, but a third of people surveyed admit that they do not check ATMs for tampering before withdrawing cash.

Google

Ask Slashdot: Self-Hosted Gmail Alternatives? 554

linkedlinked writes "I'm tired of building my sandcastles on Google's beachfront. I've moved off Docs, Plus, and Analytics, so now it's time to host my own email servers. What are the best self-host open-source email solutions available? I'm looking for 'the full stack' — including a Gmail-competitive web GUI — and don't mind getting my hands dirty to set it up. I leverage most of Gmail's features, including multi-domain support, and fetching from remote POP/IMAP servers. Bonus points: Since I'm a hobbyist, not a sysadmin, and I normally outsource my mail servers, what new security considerations do I need to make in managing these services?"

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