333 days ago
Matt Curtin, author of “Developing Trust: Online Privacy and Security” has been hired to investigate the State of Ohio’s so-called government’s latest security gaffe, which involved losing among other things the social security numbers of all state employees + the SSN’s of the employee dependents.
In addition to founding security firm Interhack, Matt was on the first team to crack the Data Encryption Standard several years ago. He even wrote a fascinating book about it.
401 days ago
Rich McIver wrote to alert me of a really great article they’ve published over at Network Security Journal, titled “The Open Source Security Motherload: 105 Tools, Applications, and Resources”.
Read the article
618 days ago
Unless you run absolutely nothing on your server, from time to time something is going to need to be patched because of a vulnerability. Yes, it happens. As much as you 'my system is better than yours and never has any vulnerabilities' guys don't want to admit, these things were written by humans and we aren't perfect. I used to dread the email into my inbox from the FreeBSD Security mailing list. I knew that it meant I had a bit of work ahead of me compiling new software or other tasks that I cared not waste my time on. That's why I am happy that a utility, written by Colin Percival, exists to make my life easier. It's name is freebsd-update.
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660 days ago
Are you tired of seeing the exact same output from all your periodic scripts? If you are like me, looking at the exact same output day after day becomes very tedious and you can allow items to slip past you as you just casually glimpse over the periodic emails. Luckily, there is a solution that will allow you to see only the important information. Its name is swatch.
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673 days ago
John the Ripper is an invaluable component of any decent sysadmin toolbox. In this excerpt from Hardening Linux, the author James Turnbull explains how it can be used to test your /etc/shadow file to ensure your users are using secure passwords.
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686 days ago
If you operate a publicly facing server, you no doubt have countless brute force attacks against your machine trying to gain access via SSH. These are mindless attacks that simply attempt to determine your password via a dictionary of words and sometimes (if they are patient) randomly created passwords. Today I’m going to explain a four step approach that renders these attacks worthless in Linux/*nix/BSD environments.
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702 days ago