Multi-Factor Authentication (MFA)

A security mechanism that requires two or more independent credentials to verify a user's identity, combining factors fr...

DMZ (Demilitarized Zone)

A physical or logical subnet that separates an internal network from untrusted external networks, providing an additiona...

SIEM (Security Information and Event Management)

A software solution that aggregates and analyzes security data from across the organization — including logs from firewa...

Public Key Infrastructure (PKI)

A set of roles, policies, hardware, software, and procedures needed to create, manage, distribute, use, store, and revok...

Digital Certificate

An electronic document issued by a Certificate Authority (CA) that binds a public key to an entity's identity, enabling ...

Digital Signature

A cryptographic technique that uses asymmetric encryption to verify the authenticity, integrity, and non-repudiation of ...

Malware

Malicious software designed to damage, disrupt, or gain unauthorized access to computer systems, encompassing a broad ca...

Ransomware

A type of malware that encrypts a victim's files or locks system access and demands a ransom payment (typically in crypt...