32blogby Studio Mitsu

# privacy

14 articles

security

Why Password Reuse Is Dangerous: How Credential Stuffing Works

How credential stuffing exploits reused passwords, real-world cases including 194K accounts breached from 1.7M attempts, NIST's updated guidelines, and the password manager solution.

Mar 14, 2026 · updated Mar 26, 2026 · 9 min
security

Opened a Phishing Email? What to Do Next

Opened, clicked, or entered info on a phishing email? Three risk levels, step-by-step response for each, plus how to block phishing before it reaches you.

Mar 13, 2026 · updated Mar 26, 2026 · 10 min
security

Is Your Phone Hacked? How to Check and What to Do Right Now

Learn the signs of a hacked phone, step-by-step verification for iPhone and Android, and what to do if you confirm a breach. Includes 2025 mobile attack data and prevention tips.

Mar 13, 2026 · updated Mar 26, 2026 · 12 min
security

Is SMS 2FA Still Safe? How to Switch to Secure Authentication

Why SMS authentication is no longer safe, how SIM swapping works, and step-by-step instructions to switch to authenticator apps and passkeys.

Mar 13, 2026 · updated Mar 26, 2026 · 10 min
security

Social Media Account Hacked? How to Check and Recover

Signs of a social media account takeover, what to do immediately, and step-by-step recovery for Instagram, X, Facebook, TikTok, and Discord. Plus why 2FA alone isn't enough.

Mar 13, 2026 · updated Mar 26, 2026 · 11 min
security

Do You Need a VPN for Travel? Country Restrictions and Setup Guide

Five scenarios where travelers need a VPN, internet restrictions in 10+ countries, a pre-departure checklist, and troubleshooting tips for when things go wrong abroad.

Mar 13, 2026 · updated Mar 26, 2026 · 10 min
security

How to Check If Your Data Is on the Dark Web (2026 Guide)

Google's Dark Web Report is gone. Here are the best free and paid alternatives to check if your personal data has been leaked, plus what to do if you find a breach.

Mar 13, 2026 · updated Mar 25, 2026 · 10 min
security

How Are Passwords Actually Cracked? Attack Methods & Modern Defenses

Learn how brute force, dictionary attacks, and rainbow tables work with code examples. Why MD5/SHA-1 fails in the GPU era, how to use Argon2id/bcrypt correctly, and what the 2025 NIST update changed.

Mar 12, 2026 · updated Mar 26, 2026 · 17 min
security

Personal OSINT Audit: How to Find What the Internet Knows About You

Email addresses, passwords, location data. Learn how to audit your own digital footprint using OSINT techniques in 5 practical steps.

Mar 10, 2026 · updated Mar 26, 2026 · 11 min
security

What Is a VPN? A Simple Guide for Beginners

VPN explained without jargon. Learn how VPNs work, why you need one on public WiFi, and how to set one up on your phone in 3 minutes.

Mar 8, 2026 · updated Mar 26, 2026 · 10 min
security

Block Ads and Trackers at Every Layer: A Complete Guide

Browser extensions, DNS, network-level protection, and privacy browsers — four layers to block ads and trackers comprehensively. Includes post-Manifest V3 strategies.

Mar 7, 2026 · updated Mar 25, 2026 · 10 min
security

5 Ways Developers Accidentally Leak Personal Info

Git commits, npm packages, WHOIS, DNS queries. How developers unintentionally expose personal information and how to fix each leak.

Mar 7, 2026 · updated Mar 25, 2026 · 8 min
security

What Does Your IP Address Reveal? How to Hide It

Can someone find your home address from your IP? Learn what your IP actually reveals, and compare VPN, Tor, and proxy methods to hide it.

Mar 7, 2026 · updated Mar 25, 2026 · 9 min
security

Are Free VPNs Safe? Real Incidents and How to Choose

Documented incidents, monetization methods, and technical flaws of free VPNs. Includes trustworthy free options and a comparison with paid VPNs.

Mar 6, 2026 · updated Mar 25, 2026 · 10 min