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Now viewing all topics from the beginning of history!



All 74 topics



4 months old

How to detect malicious Emails.

https://www.youtube.com/watch?v=rqIayIMSoqw
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



4 months old

Scrape images from a webpage and download them ...

https://gist.github.com/sbryans/f3dbc61d88f0dac788507a6c460104ab
READ IN FULL

Sean Paul
   



4 months old

YouTube Short on how to get notified when a Lin...

https://youtube.com/shorts/22LhkYBhZkg
READ IN FULL

Sean Paul    Sysadmin
   



4 months old

Weekly code snippet: Scrape websites from webpage.

wget -qO- https://gogle.com | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*" | sort -u
READ IN FULL

Sean Paul
   



5 months old

CVE-2023-42115

Targeting SMTP, this out-of-bounds exploit allows for remote code execution. Data writes outside of the boundaries of a buffer which leads to the p...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



5 months old

Weekly code snippet: Batch HTTP status code che...

https://gist.github.com/sbryans/bb966314cdfa44d1f981dfcce0bdd110
READ IN FULL

Sean Paul    Sysadmin
   



5 months old

Follow web server traffic

tail -f /var/log/application/server.log |grep -oE '((1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])'
READ IN FULL

Sean Paul
   



5 months old

Monitor network traffic.

In this video you'll learn how to monitor network traffic and get notified when an FQDN is resolved. https://www.youtube.com/watch?v=lJP3w7YJsXo
READ IN FULL

Sean Paul    Sysadmin    Network forensics
   



5 months old

Batch ffmpeg mp4 to mp3

Weekly code snippet, incoming! ffmpeg a tool for audio and video. This one-liner will batch convert mp4 files to mp3 from your working directory. ...
READ IN FULL

Sean Paul
   



6 months old

Send compressed, encrypted backups to a remote ...

https://youtu.be/WFcUHqgr1TU
READ IN FULL

Sean Paul    Programming    Sysadmin
   



over 1 year old

Malicious sample in popular VSCode Python exten...

ClamAV detects malicious sample in popular VSCode Python extension ms-python.python-2022.20.1 https://buff.ly/3WG3Hw8
READ IN FULL

Sean Paul    Programming    Cybersecurity
   



over 1 year old

WiFi 7 expected in 2024

802.11be, also known as WiFi 7 is expected in 2024 with a theoretical speed of 30Gbps & offering, as its predecessor (6E) did, 6 GHz frequency band...
READ IN FULL

Sean Paul    Network forensics
   



over 1 year old

APIs powering automotive industry evolution

Google partners with Renault Group to develop an ecosystem of APIs managed in Apigee (acquired by Google in 2016) to support Software-Defined Vehic...
READ IN FULL

Sean Paul
   



over 1 year old

Cyber attacks aimed at SMEs

Accenture claims over 1/3 of cyber attacks are aimed at SMEs. FTNT dropped over 5% after estimations didn't match earnings & SMEs can't always affo...
READ IN FULL

Sean Paul    Cybersecurity
   



over 1 year old

Auth0 expands valid Certificate Authority list

Auth0 will incorporate Let's Encrypt & Google Trust Services as valid CA sources starting November 1st! AWS Cognito integrations must update the co...
READ IN FULL

Sean Paul    Cybersecurity
   



over 1 year old

Nvidia graphics card purchasing test program

Nvidia test program to best bots from clearing out graphics cards. https://buff.ly/3S3wlUF
READ IN FULL

Sean Paul
   



over 1 year old

Google Fiber

Google as ISP? Why not!? Founded in 2010, Google Fiber said to provide fast, reliable and fairly priced internet access with offers of 5Gbps and 8G...
READ IN FULL

Sean Paul
   



over 1 year old

Linux kernel 6.0!

Linux kernel goes mainline at 6.0 featuring support & various improvements geared for new chips.
READ IN FULL

Sean Paul    Sysadmin
   



about 2 years old

Dynamic IP whitelisting for Fail2Ban

https://github.com/sbryans/whitelist-ddns.git
READ IN FULL

Sean Paul    Sysadmin
   



about 2 years old

Storm-Breaker... broken.

Apple patches Storm-Breaker SE exploit in iOS 15.3.1 so update your devices!
READ IN FULL

Sean Paul    Cybersecurity    Network forensics
   



about 2 years old

QR madness!

Cybercriminals are taking advantage of QR technology by directing code scans to malicious sites to steal their victim’s data, embedding malware to ...
READ IN FULL

Sean Paul    Cybersecurity
   



over 2 years old

Google Pay for crypto!

With cryptocurrency on the rise, Google jumps aboard, allowing digital cards storing cryptocurrencies in the Google Pay service- exploiting partner...
READ IN FULL

Sean Paul
   



over 2 years old

Project Pegasus

Last week, Apple released a security iOS update to patch a spyware hole discovered in 2016 having affected iOS devices up to version (14.6). Projec...
READ IN FULL

Sean Paul    Cybersecurity    Network forensics
   



almost 3 years old

DocuSign phishing/malware wave

DocuSign users beware of the recent phishing/malware wave. Steganography may be the death of modern documents. It would be interesting to see if D...
READ IN FULL

Sean Paul    Cybersecurity
   



almost 3 years old

Brute-force attack (+ protect)

In this tutorial you'll learn how to Brute-force attack a WordPress website + three tactics to prevent this type of attack. https://youtu.be/k...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



almost 3 years old

Block websites in Python

https://youtu.be/EsO2H0S3uFk
READ IN FULL

Sean Paul    Programming    Sysadmin
   



almost 3 years old

LinkedIn user data for sale!

Your private data for sale! A recent exploit targeting LinkedIn’s API exposed 700 million LinkedIn accounts. Physical addresses, geolocation record...
READ IN FULL

Sean Paul    Cybersecurity
   



almost 3 years old

Check out the GreenLeyf offering!

https://greenleyf.com/pdf/GreenLeyf_Offering.pdf
READ IN FULL

Sean Paul    Programming    Cybersecurity    Sysadmin    Network forensics
   



almost 3 years old

Open-source tech value

The ENTIRE internet would not exist (as it does today) without open-source technology. As of this year, over 75% of what you see online depends on ...
READ IN FULL

Sean Paul
   



almost 3 years old

Hosting solutions

The ABCs of production ready data redundancy, "Always Be Cloning." 0-Day Vulnerability & accurate threat detection with GreenLeyf solutions: We co...
READ IN FULL

Sean Paul    Programming    Cybersecurity    Sysadmin    Network forensics
   



almost 3 years old

Data privacy

Now offering complete data privacy; CalDAV, CardDAV, private messaging, group messaging, video chat, password management, files and document storag...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



almost 3 years old

Email services

Now offering email services at unbeatable prices. Healthy SPAM score, TLS & a customizable webmail service. Contact us, today!
READ IN FULL

Sean Paul    Sysadmin
   



about 3 years old

BASH password strength checking script:

https://youtu.be/HbQIXI51AuE
READ IN FULL

Sean Paul
   



about 3 years old

The dreaded transient execution!

Exploits known as transient executions have been coming out of the woodwork since Spectre, in 2018, putting the hurt on Intel & AMD based systems. ...
READ IN FULL

Sean Paul    Cybersecurity    Network forensics
   



about 3 years old

A Passwordstate expolit

A recent Passwordstate update compromises the upgrade mechanism to install a malicious dll, “moserware.secretsplitter.dll”. The payload attempts to...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



about 3 years old

Linux kernel 5.12

It’s spring cleaning for the Linux kernel. 5.12 is chock full of drivers for hardware support. Overall this release is relatively small due to some...
READ IN FULL

Sean Paul    Sysadmin
   



about 3 years old

Booking now available!

Make your appointment today @ https://greenleyf.com/bookings/new
READ IN FULL

Sean Paul
   



about 3 years old

Setup a simple backdoor to Linux in BASH

In this tutorial you'll learn how to setup a simple backdoor to Linux in BASH using the private and public key convention with SSHD. https://www...
READ IN FULL

Sean Paul
   



about 3 years old

Project tracking

Project tracking just made it to GreenLeyf. Clients, track the status of your GreenLeyf product, payments received and milestones.
READ IN FULL

Sean Paul    Programming
   



about 3 years old

Log monitoring in Zabbix

After establishing connection to the host you'll monitor, navigate to the host's inventory and select "Triggers". From here you're going to want to...
READ IN FULL

Sean Paul    Sysadmin    Network forensics
   



about 3 years old

Project Jupyter

Project Jupyter is a web-based dev tool that supports over 40 languages (such as Python, R, Julia, Matlab, Octave, Scheme, Processing, and Scala). ...
READ IN FULL

Sean Paul    Programming
   



about 3 years old

Private video chat

Check out the new component on the component page @ https://greenleyf.com/component
READ IN FULL

Sean Paul    Programming
   



over 3 years old

The "Baron Samedit" sudo flaw

The "Baron Samedit" sudo flaw permits an unprivileged user to gain elevated permissions that they normally shouldn't have on your Mac or Linux dist...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



over 3 years old

Automate VOBs to mp4 via FFMPEG

cat ./VIDEO_TS/*.VOB | ffmpeg -i - output.mp4
READ IN FULL

Sean Paul
   



over 3 years old

JingOS

Shipping end of January- JingOS: bringing iOS lovers a new Linux distro based on Ubuntu with KDE Plasma! & WOW is it beautiful! Also said to suppor...
READ IN FULL

Sean Paul
   



over 3 years old

TerraMaster RCE Exploit

Here comes a new RCE flaw targeting your TerraMaster NAS's OS. An exploit in the Zend PHP framework leaves your system open to remote command execu...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



over 3 years old

Red Balloon Security, Inc

Hats off to Red Balloon Security, Inc for being one of the few companies in the world to offer a financial incentive to hackers able to crack crypt...
READ IN FULL

Sean Paul    Cybersecurity
   



over 3 years old

NSA urges TLS updates

The NSA released new guidance providing system administrators with the tools to update outdated TLS protocols. This week the NSA released new guid...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



over 3 years old

Secure Windows 10

How to secure Windows10... (1.) Configure external NIDS (2.) Configure external DNS sinkhole (3.) Separate Windows admin user from daily driver ...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

Zabbix database cleanup script

User="root" Passwd="password" Date=`date -d $(date -d "-60 day" +%Y%m%d) +%s` /usr/bin/mysql -u${User} -p${Passwd} -e " use zabbix; DELETE FRO...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

Bliss OS 14

Bliss OS 14 is on its way. Bliss OS is an open-source Android project that is available for most Chromebooks, Windows/Linux PCs, or tablets release...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

Linux runs the world!

Linux runs big business. But what about security? LTS releases promise great security & stability for businesses right out of the box, depending on...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



over 3 years old

Best VNC service for Linux

When jumping into your Linux distro of choice, I found it best to run the x11vnc server from command line, then access it without opening an app fr...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

NTFS3 patches

Recent NTFS3 patches offer compression support to better handle file-system compressed files. NTFS supports per-file compression as well as drive-l...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

Private video chat

Check out the video on my LinkedIn profile. I used Bitly to shorten the link. bit.ly/3nVHrwb
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Cerebras CS-1

Twenty years from now our history books will read that the year 2021 was the year of AI. The catalyst will be named Cerebras, the CS-1. A 26” tall ...
READ IN FULL

Sean Paul
   



over 3 years old

WireGuard VPN

The WireGuard VPN protocol is fast and offers a small attack surface but that’s not really the reason you use a VPN, is it? No, you want anonymity!...
READ IN FULL

Sean Paul    Cybersecurity    Network forensics
   



over 3 years old

Kanban boards

A Kanban board is one of the tools that can be used to implement Kanban to manage work at a personal or organizational level. Kanban boards visuall...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Webinar - October 16th

Join me in this free webinar on October 16th 12:15 (GMT-4) where I touch on content management systems, their pitfalls & pilot my latest applicatio...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Comments & Nested Comments

Here's the new GreenLeyf feature! Logged in users can comment on an article.
READ IN FULL

Sean Paul    Programming
   



over 3 years old

WebRTC

I just finished a video conferencing app using the open-source WebRTC project for real-time communications between users. This gives users the abil...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Rails 6.1 RC1

New features for Rails devs: Horizontal Sharding, Multi-DB improvements, Strict Loading, Destroy Associations in Background, Error Objects, and mor...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Linux first

Three of the largest hardware manufacturers in the world offer Linux pre-installed! Dell, HP & Lenovo.
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

OpenSSF

More and more companies are adopting open-source solutions from day-to-day to data centres. OpenSSF, founded this year steps up to fill the gap wit...
READ IN FULL

Sean Paul    Programming    Cybersecurity    Sysadmin    Network forensics
   



over 3 years old

Cloud & Container tech on the rise!

Blockchain takes a dive as cloud and container technologies rise being the most important technologies of 2020. With this rise, more and more compa...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Windows & Linux

Windows NextGen integration with Linux has Microsoft developers asking the question if adopting a full Linux kernel would be a good move forward. ...
READ IN FULL

Sean Paul    Sysadmin
   



over 3 years old

Episode 7: Swift System, Ruby 3, QUIC & TCP

https://anchor.fm/sbryans/episodes/Swift-System--Ruby-3--QUIC--TCP-el0fmk
READ IN FULL

Sean Paul    Programming    Sysadmin
   



over 3 years old

gocryptfs your directories in Linux

gocryptfs allows you to encrypt only the directories you need. It's lightweight, user-friendly, and secure. gocryptfs also allows you to move those...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin
   



over 3 years old

QUIC vs TCP

The new HTTP/3 protocol uses QUIC, a transport layer network protocol developed initially by Google. QUIC is said to reduces latency compared to th...
READ IN FULL

Sean Paul    Cybersecurity
   



over 3 years old

Apple's Swift goes Open-source

Apple has just open sourced Swift and has added support for Linux! Swift is a child of Objective-C and has become one of the most valuable language...
READ IN FULL

Sean Paul    Programming
   



over 3 years old

Ruby + CSV

Exporting your data from a Rails application? Check out this Ruby library: https://t.co/RF6LXynbl3
READ IN FULL

Sean Paul    Programming
   



over 3 years old

SYN flood

Even modern server service providers don't adopt healthy practices to protect your assets from these types of attacks. The responsibility lies in t...
READ IN FULL

Sean Paul    Cybersecurity    Sysadmin    Network forensics
   



over 3 years old

Offensive tactics matter!

Network security starts with a bit of nefarious activities. Many "experts" today don’t adopt offensive tactics when building and securing systems. ...
READ IN FULL

Sean Paul    Cybersecurity    Network forensics
   



over 3 years old

Welcome to topics!

Here you'll find a host of topics around all things tech! I really hope that you enjoy and stay tuned for the features to come.
READ IN FULL

Sean Paul
   



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