Understanding Firewalls
Firewalls are your first line of defense online. Learn how they work, the difference between local, router, and dedicated hardware firewalls, and why inbound and outbound rules are key to protecting your privacy and security.
Omar Torres
A History of Wireless Encryption
From WEP’s weak beginnings to WPA3’s stronger protections, Wi-Fi encryption has evolved to meet growing threats. Learn how wireless security standards have changed and what you should do to keep your network safe today.
Spam, Phishing, Vishing, and Beyond
From spam emails to phishing and vishing scams, online threats are evolving fast. Learn how to spot suspicious messages, avoid digital traps, and protect your data with smart habits like MFA, link-checking, and security tools — because awareness is your best defense online.
Understanding DNS: The Internet’s Phonebook and Its Privacy Risks
Every time you type a web address into your browser, your device quietly asks a middleman where to find the site. That middleman is the Domain Name System (DNS) — often called the internet’s phonebook. While it makes browsing seamless, it also exposes a detailed record of the sites you visit.
Understanding 2FA, MFA, and Passkeys
Your password alone isn’t enough to stay safe online. With data breaches and phishing on the rise, stronger authentication methods like 2FA, MFA, and passkeys are essential. Learn how they work, why they matter, and how to set them up to protect your digital life.