Category: security (Page 1 of 1)

Spectre attack: why is it unpatchable?

By Alex

On January 1, 2018

In performance

Everyone is now talking about the CPU security problems that are now being fully disclosed: they’re dubbed Meltdown and Spectre. Meltdown is a problem that mainly or entirely affects Intel CPUs, but Spectre is a problem that affects all designs.

I haven’t seen any “explain it like I’m 5” on the Spectre paper yet, so here’s my take. Sadly, it’s not 5-year-old level, but I’ve tried to make it a bit more accessible. If you want a lot more detail, the Google blog has code.

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Potential Gna! issues

By Alex

On November 11, 2010

In bongo fedora freesoftware

It looks like someone has been attacking Savane-derived hosting platforms. Recently Savannah has been down, and the page that has now gone up confirms that they had a security breach. Unfortunately, Gna! has a similar code-base, and their site now confirms that they are investigating an issue too. This has a knock-on issue for Bongo, since we use Gna! hosting. Our download area appears to still be alive, and thankfully we have always signed the releases.

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Advisory CTO to a portfolio of start-up and scale-up companies. I specalise in taking businesses through periods of extraordinary technological change, often navigating tricky waters of enterprise sales and regulatory compliance.

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