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Category Archives: Security
← Older posts Newer posts →I Received my PayPal SecureKey Today
Well, today I received my Paypal SecurityKey. I have been really excited to try this device and I have been anxiously waiting for its arrival. Today I finally received it and overall I really like it and I am glad … Continue reading
Posted in Security | Tagged Multi-factor Authentication, Paypal, Security, SecurityKey, Verisign | 5 CommentsPaypal Security Key for Multi-Factor Authentication
After listening to an episode of the Security Now Podcast I was fascinated by the idea of multi-factor authentication. In the perfect paper password episode they discussed using one time passwords that were written on a credit card sized piece … Continue reading
Posted in Security, Uncategorized | Tagged Multi-factor Authentication, Paypal, Security, Verisign | 2 CommentsEncrypt a File on Linux or FreeBSD with GnuPG
If you ever wanted to quickly encrypt a file in Linux or FreeBSD without complicated keyrings and key files this is the post for you. In this guide we will use gnupg to quickly encrypt any file in Linux or … Continue reading
Posted in FreeBSD, Linux, Security | Tagged Enryption, FreeBSD, GnuPG, Linux | Comments OffSQL Injection Attack and Updating WordPress
Well, today one of the blogs that I maintain for someone was compromised by an SQL injection. The hacker had apparently injected an invisible iframe that contained that loaded a website that contained a trojan. They had also placed invisible … Continue reading
Posted in Security, Software | Tagged SQL Injection, Wordpress | Comments OffSecurely Wipe a File with DD
Sometimes we have sensitive data that we want to get rid of. Since deleting a file doesn’t actually prevent it from being recovered we need to do some extra steps to ensure that it can’t be recovered. In this post … Continue reading
Posted in FreeBSD, Linux, Security | 3 CommentsFinding a Computer’s MAC Address on the Network
Sometimes we need to know the MAC address of a specific computer for multiple reasons. For example, I needed to know the MAC address of one of my computers so I could tell the router to assign a specific IP … Continue reading
Posted in Security | Comments OffCrack Windows XP and Vista Passwords in Seconds
Back in the day there used to be a program called lophcrack that was fairly good at cracking Windows passwords. Fortunately it wasn’t very effective for cracking strong passwords. Today I ran a newer cracking program on my computer called, … Continue reading
Posted in Security | 3 CommentsWiping a Hard Drive with DD
A common assumption is that deleting or formatting a hard drive will be enough but in fact the data is still recoverable. In fact is fairly trivial and the process is quite easy to restore them. For this reason security … Continue reading
Posted in Howto, Security | 4 Comments← Older posts Newer posts →