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Welcome to the Cybrary blog

Your go-to resource for all things cybersecurity. Explore expert insights, industry trends, product updates, and practical tips for creating a more secure world.

Certifications

June 17, 2025

CISSP Exam Tips: Common Mistakes and How to Avoid Them

Jason Edwards

January 21, 2020

Putting a Backdoor On Executable Files

Learn how to backdoor Win7 w/Msfvenom & Kali on a VM. Detailed setup guide incl. reverse TCP & encoder. Plus post-attack tips & tricks.

January 21, 2020

CREATING AN SSL VPN WITH SOCAT

Learn to use Socat to establish secure VPN tunnel with keys/certs, allowing remote access to local net.

January 21, 2020

10 Linux Distributions for Cyber Security Professionals

Popular Linux security distros for hackers & cyber pros include Kali Linux, BackBox, Parrot Security, Pentoo, BlackArch, Samurai, NST & Wifislax.

January 21, 2020

Information Disclosure ( Gitignore files ) - Whatsapp

Use .gitignore to protect apps like Whatsapp. Get tips to prevent security issues.

January 21, 2020

Windows Commands Most Used by Attackers

Windows cmds used by attackers & how to defend. Includes NCC study & extra cmds. Useful for defending PCs from attackers.

January 21, 2020

Email Bomber Script Using Python

Build a script to send email messages repeatedly for cyber security goals. Learn how to use it.

January 21, 2020

Admin Arsenal - A Godsend for Small and Medium Sized Businesses

Discover Admin Arsenal tools to make sys mgmt reliable & cost-effective. PDQ Inventory/Deploy simplifies remote admin, patch mgmt, app rep, hardware/user info & more. Quickly & easily get sys up to date.

January 21, 2020

Find a DNS Zone Transfer Misconfiguration

Discover how to uncover DNS Zone Transfer misconfigurations that can result in user data, hostnames & IPs leaking & jeopardizing an organization. Work with CMD (Windows) & Terminal Console (Linux).

January 21, 2020

Learn Hill Cipher with 3x3 Matrix Multiplicative Inverse Example

Hill Cipher is an encryption technique using matrices to encrypt and decrypt symbols or letters. It is explained in detail in this blog post, emphasizing security.

January 21, 2020

Vulnerability Assessment using OpenVas - First Scan

Learn OpenVas & two VMs to perform vulnerability assessments & penetration tests. Identify common vulnerabilities & exposures, plus tips to ensure a successful test and results.

January 21, 2020

Linux Commands Most Used by Attackers

Learn to defend Linux with commands used by attackers: cat, chmod, cp, curl, export, ftp, history, id, ifconfig, kill, mv, pwd.

January 21, 2020

Write Blockers: A Central Part of a Forensic Analysts Toolbox

Learn to become a forensic analyst with the right tools. Gain knowledge of hardware write blockers and their features for collecting evidence.