Cybersecurity 101
Security concepts explained in plain English — no jargon, no fear-mongering.
The threats you'll hear about most
Malware
Malicious software — viruses, trojans, spyware — built to damage, steal, or take over your computers.
Phishing
Fake emails and messages that trick people into handing over passwords, money, or access.
Ransomware
Malware that locks up your files and demands payment to unlock them.
Social Engineering
Manipulating people — not machines — into breaking security rules they'd normally follow.
Business Email Compromise
Scams that impersonate a boss or vendor to redirect a wire transfer or invoice payment.
DDoS
Flooding a website or service with junk traffic until it buckles and goes offline.
Data Breach
When confidential data — customer records, credentials, IP — gets exposed or stolen.
The defenses that protect you
Firewall
A gatekeeper that decides which network traffic is allowed in and out.
VPN
An encrypted tunnel that protects your connection over untrusted networks.
Encryption
Scrambling data so only someone with the key can read it.
EDR
Endpoint Detection & Response — watches each device for attacks and helps you react.
XDR
Extended Detection & Response — connects signals across email, cloud, and endpoints.
Controlling who gets in
Multi-Factor Authentication
Requiring a second proof of identity beyond a password — one of the highest-value defenses.
Zero Trust
"Never trust, always verify" — every request is checked, even from inside your network.
Password Security
Why long, unique passwords and a password manager beat clever-but-reused ones.
Watching, finding, and responding
SIEM
Software that collects logs from everywhere and flags suspicious patterns.
SOC
A Security Operations Center — the team and tooling that monitor for threats around the clock.
Threat Hunting
Proactively searching for attackers who slipped past automated defenses.
Incident Response
The plan and playbook for containing and recovering from a security incident.
Finding weak spots before attackers do
Penetration Testing
Authorized, simulated attacks that reveal what a real attacker could exploit.
Vulnerability Management
The ongoing cycle of finding, prioritizing, and fixing security weaknesses.
Patch Management
Keeping software up to date so known holes get closed before they're abused.
Attack Surface
Every way an attacker could get in — the smaller it is, the safer you are.
Securing what lives off-premises
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