Beware Fedora updates of April 28, 2024
It breaks iptables with no warning I'm rather angry right now but I promise to remain calm -- at least in this post. I just...
Microsoft Warns 1 Billion Windows Users—Do Not Use Password
This headline on Forbes is not quite as strange as it looks at first. The article is about how Microsoft is trying to move that...
Signal Messenger: Privacy, Simplified with Open Source
Messaging apps have revolutionized communication, reshaping our daily lives and relationships. It’s hard to imagine a time without SMS paving the way for near-instant connectivity....
Fix SELinux problems with this little-known option
SELinux is a security subsystem that works to prevent files and code from running from places they don't belong. It's a big complex system that's...
Bitwarden: Secure Password Management
Managing passwords is no easy task. There was a time when I relied on the browser to remember my passwords. Those passwords were easily remembered...
Microsoft Recall still captures your data
Even with "sensitive information" supposedly blocked I don't usually opine about Microsoft, or rant, but this is just ... there are no words. But I'll...
How I create encrypted passwords
I sometimes need to create an encrypted password for use in scripts when adding one or more new user accounts to hosts in my lab....
Securely erasing your data on Linux
Many people choose to encrypt their disk drives because it ensures that their data stays secure and safe from the prying eyes of others. I...
Perfctl malware infects thousands of Linux hosts since 2021
ArsTechnica has an article about the thousands of Linux systems infected by this well-designed malware that's been dubbed Perfectl. The vulnerability, identified as CVE-2023-33246, is...
Secure electronic document disposal with Linux
We can't be too careful about ensuring that our personal data is safe, both paper documents and electronic ones. I'm sure I don't need to...
Windows security just got worse
Well, it didn't really get any worse, we just found another way in which it's already horrible. Like you, I woke up Friday morning to...
Signal: The Pinnacle of Secure Messaging
In a time of increasing digital privacy threats, Signal has emerged as a hope for those seeking secure and private communication. It has garnered praise...
Linux Malware scanning using ClamAV
Image via Creative Commons, modified by Both.org Introduction There are many different ways of protecting a system, right from keeping the software up-to-date, to removing...
Can Windows security get any worse?
Really -- the lack of security. If you've been reading this site or my books for any length of time, you know my attitude towards...
Intro to the Linux chown command
Image by: Opensource.com CC-by-SA 4.0 Every file and directory on a Linux system is owned by someone, and the owner has complete control to change...
Intro to the Linux chmod command
Every object on your Linux system has a permission mode that describes what actions a user can perform on it. There are three types of...