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  • SysAd and SecuritySystems Administration (SysAd) and Digital Security are two huge categories that are both hugely important in the modern world. SysAd ranges from compiling modules, configuring Apache webserver, updating servers and networking remote computers. Digital security, one of the most interesting aspects of the digital world, will see topics for everything from configuring firewalls, detecting security breaches, handling exploits, calculating risk and detecting threat vectors. I’m hugely interested in SysAd and security, as I see them both as critical aspects of entire businesses. Both SysAd and Security Individuals are in a constant arms race with malicious users and automated bot nets. As new tools to protect servers and systems are produced and rolled out, new ways to circumvent them are developed. As hackers find new ways to breach systems and services, security aficionados and clued up  system administrators patch, program and research their ways back to securer grounds.
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Coder, Hacker, SysAd & Forensic Investigator

A blog from a forensic investigator, ethical hacker and programmer

Tag: security

Computer and Digital Security is one of the most important areas of any modern business. If network security is breached or IT processes and integrity not upheld, the whole company will be at risk. Network security breaches can expose confidential data, commercially sensitive information and trade secrets. IT security prevents denial of service to hackers, loss or corruption of data, PR nightmares and financial loss. On top of these potentially disastrous scenarios, IT security is a constantly changing field, so your finger must always be on its pulse. Failing to have the latest patches or releases will likely expose you to hackers and other criminals.

What is a UDP Flood Attack (DoS)

A User Datagram Protocol flood attack is a type of denial of service attack (DoS) which relies on the basis…
Continue reading “What is a UDP Flood Attack (DoS)”…
Posted on: April 5, 2016 Last updated on: January 18, 2022 Comments: 1 Written by: Paul Joyce

How to do Port Scanning with Nmap

Network Mapper, usually just known as Nmap, is a powerful yet compact tool to have in your arsenal, giving you…
Continue reading “How to do Port Scanning with Nmap”…
Posted on: April 1, 2016 Last updated on: January 18, 2022 Comments: 1 Written by: Paul Joyce

Vulnerability Scanners Vs Penetration Tester

While browsing forums and articles it seems there’s some confusion over the distinction between vulnerability scanners and penetration testers. What…
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Posted on: March 21, 2016 Last updated on: January 18, 2022 Comments: 1 Written by: Paul Joyce

Explaining Denial of Service Attacks

Denial of Service attacks (DoS attacks) are rather simplistic in nature and devilishly easy to launch. In their simplest form…
Continue reading “Explaining Denial of Service Attacks”…
Posted on: November 10, 2015 Last updated on: January 18, 2022 Comments: 0 Written by: Paul Joyce

How to use Linux’s Traceroute (3 Examples)

Connections over a network often need debugging but due to the nature of the networking-beast, the actual topography of the…
Continue reading “How to use Linux’s Traceroute (3 Examples)”…
Posted on: July 5, 2015 Last updated on: January 7, 2022 Comments: 0 Written by: Paul Joyce

Raspberry Pi Day3: Configuring and connecting securely and remotely with SSH

The other day I managed to mount the Raspberry Pi OS image onto an SD card and the Pi had…
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Posted on: August 25, 2013 Last updated on: January 7, 2022 Comments: 2 Written by: Paul Joyce

Linux: Changing your password from the CLI

We all know that passwords are some of the most important pieces of information we have to remember, but on…
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Posted on: August 24, 2013 Last updated on: October 5, 2016 Comments: 0 Written by: Paul Joyce

Secure those WordPress 3.5.1 exploits

Yesterday WordPress released version 3.5.2 of its famous blogging platform, patching many WordPress 3.5.1 vulnerabilities and exploits, but is it…
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Posted on: June 22, 2013 Last updated on: October 7, 2016 Comments: 0 Written by: Paul Joyce

Broken WP dashboard and stats panel

Another week has gone by and another post needs to be written to explain why some people are probably seeing…
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Posted on: April 27, 2013 Last updated on: April 27, 2013 Comments: 1 Written by: Paul Joyce

How to secure WordPress: 4 tips to help lock it down

With the recent spate of brute force attacks hitting WordPress installations around the world, its not surprising that hosting companies…
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Posted on: April 17, 2013 Last updated on: October 19, 2016 Comments: 3 Written by: Paul Joyce
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Recent Posts

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    Below is one example of how to stabilise a reverse-shell. What are the benefits of a reverse-shell: Makes using text…
    Continue reading “Reverse Shell Stabilisation”…
  • log4j Exploit – Solar CTF
    Last year, CVE-2021-44228 was discovered and it rocked the IT world. The vulnerability was found in logging software, log4j, and…
    Continue reading “log4j Exploit – Solar CTF”…
  • THM – Revenge CTF Room
    Todays Capture the Flag hacking writeup is for the TryHackMe room, Revenge. It’s a medium rated room with the following…
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  • AoC3#19: Something Phishy Is Going On
    With the completion of the last 18 days worth of Advent of Cyber challenges, I’m now starting on the blue-teaming…
    Continue reading “AoC3#19: Something Phishy Is Going On”…
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    Our first half of the cloud challenges saw us meddling with Amazon’s AWS buckets and the AWSCLI. I found that…
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Recent Posts

  • Reverse Shell Stabilisation
    Below is one example of how to stabilise a reverse-shell. What are the benefits of a reverse-shell: Makes using text…
    Continue reading “Reverse Shell Stabilisation”…
  • log4j Exploit – Solar CTF
    Last year, CVE-2021-44228 was discovered and it rocked the IT world. The vulnerability was found in logging software, log4j, and…
    Continue reading “log4j Exploit – Solar CTF”…
  • THM – Revenge CTF Room
    Todays Capture the Flag hacking writeup is for the TryHackMe room, Revenge. It’s a medium rated room with the following…
    Continue reading “THM – Revenge CTF Room”…
  • AoC3#19: Something Phishy Is Going On
    With the completion of the last 18 days worth of Advent of Cyber challenges, I’m now starting on the blue-teaming…
    Continue reading “AoC3#19: Something Phishy Is Going On”…
  • AoC3#18: Playing With Containers
    Our first half of the cloud challenges saw us meddling with Amazon’s AWS buckets and the AWSCLI. I found that…
    Continue reading “AoC3#18: Playing With Containers”…

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