New ClickFix Threat: How Hackers Breach Ukrainian Websites to Spread Psychedelic Stealer via Fake Cloudflare Verification
A backdoor disguised as a Cloudflare check, clipboard hijacking, and the theft of passwords, tokens, and crypto wallets — this…
Safety
15 Steps After Deploying a VPS: A Practical Checklist for Site Owners
A concise post-deployment checklist to safely launch a website or small service on your VPS — without unnecessary complexity.
Methods for ensuring secure connections using SSH
The capabilities of the SSH protocol and its proper configuration. Methods for ensuring secure connections using the Secure Shell protocol.
Secure SSL/TLS protocol – how it works and how to use it
SSL/TLS data encryption and authentication protocol. Key features, capabilities, and principles of operation in practice.
Two-factor user authentication – how it works
Principles of organizing two-factor user authentication to protect a workstation running Ubuntu OS with Google Authenticator.
What is an SSL certificate and why is it needed?
What is an SSL certificate and why does a website need it? What does it affect, what types are there,…
What is phishing and how to avoid falling for scammers’ tricks
Types of online phishing and how to recognize them? How to protect yourself from fraud on websites that masquerade as…
SSH protocol: what is it for?
What is the SSH protocol? What is the additional security method used for, and what encryption methods are applied?