Security Warnings & Tech Guides
Plain-language explanations to keep you safe from tech support scams, configure email security filters, and optimize your systems. Written for non-technical readers.
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Scam Awareness·4 min read·2026-07-15
"Your Computer Has Been Locked" — How to Identify and Exit Fake Security Popups
If your screen suddenly turns blue, plays a loud alarm sound, or displays a warning claiming your computer is locked, do not call the number. Here is what is actually happening.
By Nanicto Security TeamRead Article
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More from our learning center
Scam Awareness3 min read
"Your Browser Has Been Compromised" — What This Warning Actually Means
Browser warnings that lock your screen, play audio alerts, or display a phone number are not from Microsoft, Apple, or your antivirus. Here is what they are.
By Nanicto Security Team2026-07-14
Security Guide5 min read
Two-Step Verification (MFA) — Why It Is the Single Most Important Security Setting
Reused passwords are the primary way online accounts are compromised. Multi-factor authentication adds a second shield to block unauthorized entries.
By Nanicto Security Team2026-07-12