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Tag: security

Anonimatron: Quick Start

Posted on 2013-11-032026-05-07 By rolfje 18 Comments on Anonimatron: Quick Start

Anonymous customerAfter reading my last blogpost on Anonimatron, you must have asked yourself “Great, but how do I actually use Anonimatron to de-personalize my database”? I tried my best to make basic Anonimatron configuration as self-explanatory as possible, just start it without any command line arguments and it will tell you.

Less adventurous or in a big hurry? This blogpost will show how simple it is to install and configure Anonimatron on an example MySQL database.

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Software

Anonimatron: Overview

Posted on 2013-10-31 By rolfje No Comments on Anonimatron: Overview

It's the LawIn every software project, there comes a time where a bug pops up, nobody knows how to reproduce it, and somebody says “I know, let’s test this against a copy of the production database”. Even with the best intentions, once production data leaves the production machine with all its safeguards it becomes really hard to do access control on that data.

Most of the time, it’s not even needed to have that data. Developers just need a data set which resembles the production scenario close enough. Some brave souls have mixed succes with data generators, but those generators usually are tedious to maintain and die a slow death under the pressure of the daily grind.

In some ambitious projects automated integration testcases are built on top of the data which was inserted by the data generators. As the generators die, so die the tests. If you recognize this pattern, Anonimatron might be the answer for you.

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Software

How big is 5 Zettabyte?

Posted on 2013-06-23 By rolfje 3 Comments on How big is 5 Zettabyte?

Spy vs SpySince the interview of Edward Snowden with the Guardian, the discussion about privacy and companies storing and sharing unencrypted private data is picking up. Particularly Americans are worried about what it does for their National security and their private data. But that’s actually a naive thought, given the NSA stores worldwide data.

In a recent coverage on theblaze.com (a rather tabloid-looking news station in the U.S.), the interviewers are shocked to see that the NSA spies on “every American”.

This is a limited view of the world and failing to see the importance of spying on people outside the U.S., but lets start with technical side of things first. What data are they storing and how big is their hard-disk?

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Uncategorized

Linked-In not really Opt-in?

Posted on 2011-09-07 By rolfje 1 Comment on Linked-In not really Opt-in?

Linked-In, or Opt-out?Recently there was some kerfuffle about LinkedIn silently changing privacy settings. In fact, they didn’t do that “silently”, nor was it “recent”. Remember that large chunk of text nobody reads with the “Agree” button you clicked on? Those were the new terms, and deeply buried in them was this privacy settings stuff. LinkedIn’s Eric Heath blogged about that, bringing it as “more control over your LinkedIn information”. Sadly, the default setting for this new “control” is “rather open”. But you can change that.

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Uncategorized

Replacing Dropbox with Spideroak

Posted on 2011-07-03 By rolfje 38 Comments on Replacing Dropbox with Spideroak

After lies about Dropbox Employees not being able to see your files, then proving that they do not do regression testing on their security, the latest change in terms of service really was the last drop. So I dropped dropbox.

I had become dependent on Dropbox to transfer files between my private and work machines, having my notes, configuration files and (encrypted thank god) password databases handy at all times. Searching around, there is really no other service like it. Although lots of products claim to have the same functionality, the “share this folder between all my machines” feature which dropbox proviced is really unsurpassed.

I had to find an alternative solution which would meet the following criterea:

  1. has to be a single, native folder, instantly syncing with all other machines
  2. has to be free or *really* cheap, minimum 2GB
  3. has to use an encryption technology where no one else can ever read my files, not even the hosting party, not even at gunpoint
  4. has to have client software for Windows, Mac and Linux
  5. accessing data on my iPhone would be a nice bonus.

After some browsing around, there are two solutions that come close, one is Wuala, and the other is Spideroak.

For one additonal GB of storage for life, use my referal link to register at SpiderOak. Read the whole article to add another 5GB to that.

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Software

Want Security?

Posted on 2006-07-05 By rolfje No Comments on Want Security?

According to Sophos security, the whole world should switch to macs to get rid of the security problems. This would be great for business! Currently I do not order with companies who put up Word or Excel formatted price lists, simply because I can’t (and to some extent refuse) open them.

In the long run however, this would shift the security problem to the Mac side of the world. Why do Microsoft machines get attacked so often? Simple: because their user base is large, which means there are more Microsoft (black hat) hackers out there. Additionally, the targeted audience is large in numbers. When the whole world uses Macs, the black hat hackers will turn to OSX as target.

But then again, the security model of OSX is (luckaly) a lot better than that of a Windows machine so the damage done largely depends on how the system is secured by the user. At least on a Mac you have the means of securing stuff properly.

Apple

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