Test-NetConnection: Test Remote Ports and Connectivity in PowerShell
Use Test-NetConnection in PowerShell to test remote ports, check connectivity, and replace ping, telnet, and traceroute …
Hardening 76 posts
Information security in plain English: scams, hardening and privacy — plus retrogaming, games and geek culture.
SSH Hardening on Linux: 7 Essential Settings to Secure Remote Access
SSH exposed to the internet is a constant target of brute-force attacks. Here are 7 essential hardening settings to …
How to Tell If Your PC Was Hacked: 8 Warning Signs
Mouse moving on its own, camera light blinking without reason, or disabled antivirus can signal a breach. Here are 8 …
What Is Kerberoasting? The Attack That Exploits Active Directory Service Accounts
Kerberoasting lets any domain user extract service account hashes from Windows and crack them offline — no admin rights …
Get-FileHash in PowerShell: verify a file's SHA256 hash
Learn to use Get-FileHash in PowerShell to calculate and compare SHA256 hashes — confirm a downloaded file is legitimate …
fail2ban: how to block brute force attacks on Linux step by step
Install and configure fail2ban on Ubuntu/Debian to automatically ban IPs that brute-force SSH, with ready-to-use …
Pass-the-Hash: how the NTLM attack works without the password
Pass-the-Hash uses a stolen NTLM hash to authenticate on the network without needing the real password. Learn the …
How to disable Office macros and close this classic attack vector
VBA macros were the primary vector for Emotet, Qakbot and Dridex. Learn how the attack works and how to block macros in …
What is ARP Spoofing? How the attack poisons your network
ARP Spoofing redirects the traffic on your local network without you noticing. Here is how ARP Poisoning works and how …
Get-Acl: audit Windows folder permissions with PowerShell
Learn to use Get-Acl in PowerShell to audit Windows folder permissions, spot improper access and export complete ACL …