Del Harvey, Director of Twitter’s Trust and Safety team, announced on Twitter’s blog that the micro-blogging service has begun using its own shortening service to stop malicious operators from sending tweets with links to their dodgy sites disguised through shortening. He wrote: “By routing all links submitted to Twitter through this new service, we can detect, intercept, and prevent the spread of bad links across all of Twitter. Even if a bad link is already sent out in an email notification and somebody clicks on it, we’ll be able keep that user safe.” Twitter “Trust and Safety” blog piece here.

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Twitter launches shortening service
So you think you’ve got your PC security all sorted out? Have you clicked on an advertisement on a website latley and it didn’t take you to anything related to the original ad
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Hackers Still Using Ads To Spread Malware
Apple yesterday released a huge Safari update that fixes 16 vulnerabilities – six for Windows versions and ten for Mac OS X and Windows. The update, Safari 4.0.5, makes fixes in Tiger, Leopard, Snow Leopard and Windows versions. This is probably pretty significant.
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Big Safari fix
Swiss security blog Abuse.ch has reported that the worst Zeus botnet hosting ISP was taken off line yesterday, cutting the botnet’s number of servers from 249 to 181 – including the six worse ones. Abuse.ch wrote: “As you can see in the chart above, on March 9th 2010, the number of active ZeuS C&C servers dropped from 249 to 181! The first thing I thought was: There has to be some problem with the ZeuS Tracker cron script. I checked the script – everything looked ok
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Many Zeus botnet C&C servers taken down
Be on the lookout for websites offering up “free applications” which come with a nasty sting in the tail. Here’s a typical example: Appzkeygen(dot)com If you like videogame consoles, you may be a fan of emulators (programs that ape long dead consoles, allowing you to play old games on your PC – we’ll avoid the murky legal minefield that comes with this practice and instead focus on the malware). Below is a Playstation 2 emulator – no really, it is

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Consoles for old games come with new malcode