Important Links to Related Pages

1.      Return to Explore the 32 Category Master List of Productivity Software Applications

2.      See our Side-by-Side Comparison of Security & Privacy Applications

3.      Return to the Security & Privacy Applications Category List

4.      Scan Through the List of Security & Privacy Applications FAQs (Frequently Asked Questions)

📘 Glossary: Security & Privacy Tools – Category-Specific Terms

2FA (Two-Factor Authentication)

A method of identity verification that requires two forms of authentication (e.g., password + code).

Ad Blocker

A browser extension or tool that prevents display of ads and often disables tracking scripts.

Authentication

The process of verifying a user’s identity using credentials like passwords, biometrics, or tokens.

DNS Leak Protection

A VPN feature that prevents your DNS requests from being exposed to your ISP.

Encryption

The conversion of data into unreadable code, which can only be accessed with the correct key.

Firewall

A system that monitors and controls incoming/outgoing network traffic based on security rules.

Kill Switch

A VPN feature that disconnects your internet if the VPN connection drops, ensuring no data leaks.

No-Logs Policy

A VPN or security tool’s commitment to not store users’ activity or metadata.

Password Manager

Software that securely stores and autofills login credentials for websites and apps.

Sandboxing

A technique that isolates software from the main system to prevent malware from spreading.

Secure Browser

A browser designed or configured for maximum privacy (e.g., Brave, Tor).

Threat Detection

The process of identifying potentially harmful files, behaviors, or network activity.

🔤 Glossary of Acronyms – Security & Privacy Tools

2FA / MFA – Two-Factor / Multi-Factor Authentication

Security methods requiring multiple forms of identity confirmation.

AES – Advanced Encryption Standard

One of the most widely used encryption protocols.

E2EE – End-to-End Encryption

Encryption that ensures only sender and recipient can access the content (used by Signal, ProtonMail, etc.).

HTTPS – HyperText Transfer Protocol Secure

Encrypted communication protocol used for secure browsing.

IP – Internet Protocol Address

A unique address identifying your device on a network—often hidden by VPNs.

ISP – Internet Service Provider

The company that provides your internet connection; may monitor unencrypted activity.

PGP – Pretty Good Privacy

An encryption method used for securing emails and digital messages.

VPN – Virtual Private Network

Encrypts your internet connection and hides your IP address for anonymous browsing.

XSS / SQLi – Cross-Site Scripting / SQL Injection

Types of security vulnerabilities in websites that tools like firewalls and scanners protect against.

Important Links to Related Pages

1.      Return to Explore the 32 Category Master List of Productivity Software Applications

2.      See our Side-by-Side Comparison of Security & Privacy Applications

3.      Return to the Security & Privacy Applications Category List

4.      Scan Through the List of Security & Privacy Applications FAQs (Frequently Asked Questions)