K
 
Kovter
What it is Kovter is a fileless malware family best known for large-scale ad fraud. It hides in memory and the Windows registry, abuses tools like PowerShell, and phones home for commands so it can click ads, load pages in the background, and ...
 
Killware
What it is Killware is a cyberattack designed to cause real-world harm. Instead of only stealing data or money, attackers aim to disrupt systems people rely on - power, water, hospitals, transport - so failures can lead to injuries or loss of life. ...
 
Keylogger
What it is A keylogger is spyware that records what you type - passwords, messages, credit card numbers - and often tracks clicks and screenshots too. Criminals bundle it inside shady installers, phishing attachments, or cracks. For background and ...
 
Key Generator (Keygen)
What it is A key generator or keygen is a program that creates fake software license keys so paid apps can run without a real purchase. Keygens are tightly linked to software piracy and are a common way attackers hide malware inside “free” downloads. ...
 
Kerberos
What it is Kerberos is a ticket-based login system that lets users and services prove who they are on a network without sending passwords. It uses a trusted Key Distribution Center (KDC) to hand out encrypted tickets so both sides can verify each ...