In breaking news, it has been reported that a Dutch digital certificate company, DigiNotar, has had a security breach. This affects all users on the internet, since the stolen certificate can be used to impersonate other websites, including email and …

DigiNotar Digital Certificate security risk Read More »

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There are reports circulating about people phoning computer users claiming to represent the Australian Computer Society (ACS) notifying that their computer had been infected with a virus and offering to repair it for a fee. The ACS is a professional …

Scammers pretending to represent Australian Computer Society Read More »

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Generally speaking, the “faster” a computer system runs, the more power it consumes. And, as I discussed in my previous blog post, that power gets converted to heat. This is an important consideration when purchasing a laptop computer. Laptops which …

Keeping your cool (laptops) Read More »

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Every watt of electricity that goes in to a computer will end up being converted into heat somewhere along the line. As computer chips get smaller, the internal wiring is thinner and packed more densely, so they become more sensitive …

Keeping your cool (Desktops) Read More »

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It’s an inescapable law of physics that anything which has moving parts will fail eventually. So, it’s no surprise that the things which fail most often in computer hardware are the parts that move: hard disks and fans (which I …

On hard disks and backups Read More »

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News today that the Police have already asked the Transport Ticketing Authority to provide movement details for four Myki users. ( http://www.theage.com.au/victoria/myki-is-watching-you-smartcard-operator-gives-police-access-to-customer-info-20100729-10x7l.html ) Unlike a paper ticket, every Myki card has a unique serial number and must be “touched” to …

Myki and database privacy Read More »

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