How Jeroen Zomer sees IT

Archive for the ‘technology’ Category

Security is not about Technology, but Habits

Wednesday, October 19th, 2011 Posted in security, technology, work | No Comments »


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At the IBM conference in Berlin I realized that I have been preaching some ideas about (internet) security for a while. The gist of this idea is that security in the ‘world of computers’ (also referenced as the internet, on-line ...

Remembering unlimited passwords

Wednesday, June 8th, 2011 Posted in security, technology, work | No Comments »


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You probably hate all your passwords, just like me. I have tons of them and I use tools like 1Password and KeePass to store them relatively safe with a masterpassword. I also have a few strong passwords I reuse a ...

Decoding WebSphere passwords

Tuesday, May 17th, 2011 Posted in security, technology, websphere, work | 28 Comments »


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Older versions of IBM WebSphere encodes its passwords with a simple algorithm. These passwords are not encrypted and it has been known for long that decoding them is fairly simple. So far the presented methods did not always suit my ...

SSH login with a certificate (Windows)

Monday, May 2nd, 2011 Posted in security, technology, work | 4 Comments »


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One of the most convenient ways to login to a server with SSH, is with certificates. Although the principle is pretty well documented all over the internet, I still found some issues setting it up myself from my Windows laptop, ...

SSH login with a certificate (OSX)

Sunday, May 1st, 2011 Posted in security, technology, work | 4 Comments »


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One of the most convenient ways to login to a server with SSH, is with certificates. Although the principle is pretty well documented all over the internet, I still found some issues setting it up myself from my Mac, hence ...