Category: Misc

2024

25

Oct

The Paradox of Privacy in the Digital Age

Having a philosophical moment thinking about my own privacy, I took a trip back through the history of the concept “privacy” by following the simple question: “Do you have privacy?”

Read more

07

Jun

Ctr-z bf/bg toggle for Fish shell

An update to a popular post on toggling processes using Ctrl-Z, now focusing on the Fish shell. The tutorial requires Fish shell version 3.2 or newer and provides a command to bind Ctrl-Z for foreground processing without displaying irrelevant information.

Read more

02

May

The curious case of Ad-blockers

Advertisements, pervasive across the internet, not only disrupt user privacy and experience but also slow down browsing. Ad-blockers offer significant benefits such as enhanced privacy, reduced distractions, faster loading times, and bandwidth conservation. A new site feature now prompts visitors without ad-blockers to consider using them, enhancing overall online experience and privacy.

Read more

01

Feb

History of computer viruses

Unveiling the Evolution: A Historical Journey through Computer Viruses

Exploring the evolution of computer viruses from the 1970s to present times, where I discuss the continuous battle between ever-evolving cyber threats and advancing cybersecurity. From pioneering malware like Creeper and Brain to the widespread destruction caused by I Love You and SQL Slammer, each era demonstrates escalating sophistication and societal impact, emphasizing the need for proactive security measures, education, and global collaboration to combat and adapt to these persistent cyber threats.

Read more

2022

26

Jan

Using ctrl-z to toggle process in fg/bg

This is just a simple trick to get ctrl-z in bash to toggle a process between foreground and background.
A small but useful idea.

Read more

2021

25

Oct

Using core dumps for Linux privilege Escalation

A new vulnerability has been discovered that makes it possible to get a privilegded process to core dump in a restricted area.
This can via a few nifty tricks be abused to gain root access to a linux system

Read more

01

Sep

Hacking for a job (or just for fun)

The cyber crime unit of the Danish police has put out a boot2root box to find relevant applicants for a job as web specialist.
I could not resit trying it out.

Read more

21

Jun

Free world-wide Wifi for all IPhones (or how to trash the IPhone wifi settings)

What happens if you put a funky format string as SSID for your wifi AP? For IPhones it can have an unexpected outcome.

Read more

04

Jun

Who shares private social security number online?!?!

Have you ever shared a picture of your Danish social security card (in Danish: sundhedskortet) online? Maybe with a finger across to cover the secret number?
Think you’re safe from identify theft? probably not!

Read more

26

Jan

Bash faulty pasting tip

Have you ever pasted some random multi-line text to the bash shell ? If you have, then you will know how annoying this is. So here is the fix!

Read more