BlackFog Logo

Cybersecurity 101

A B C D E F G H I K L M N O P Q R S T U V W Z
Ka Ke Ki

Kairos

The Kairos ransomware group is a new and relatively obscure threat actor that emerged in 2024, adding to the growing list of short-lived ransomware brands. Public reporting on Kairos remains limited. Kairos follows the now-standard double extortion model, encrypting victim systems while exfiltrating sensitive data and threatening to leak the information if ransom demands [...]

2025-12-16T10:57:12+00:00December 16th, 2025|

Keylogger

Keyloggers are malicious software that tracks and records every keystroke entry made on a computer or mobile keyboard, without the permission or knowledge of the user, and sends it to the attacker(s).

2023-07-05T15:28:55+01:00July 5th, 2023|

Kill

The Kill ransomware group is a threat actor that has surfaced intermittently in 2023–2024. Public information about the group is limited. Kill uses data encryption and extortion tactics, with some indications of double extortion, where stolen data is leveraged alongside system disruption to pressure victims. Targets are typically small to mid-sized organizations, often those [...]

2025-12-16T10:58:34+00:00December 16th, 2025|

Kill Ransomware Group

The Kill ransomware group, also known as KillSec or KillSecurity, is a cybercriminal organization. They employ a ransomware-as-a-service (RaaS) model, allowing affiliates to execute attacks using their malware infrastructure. KillSec is known for targeting various industries, including manufacturing and wholesale sectors. KillSec's ransomware variants, such as KillSecurity 2.0 and KillSecurity 3.0, are designed to [...]

2025-02-13T16:37:51+00:00February 13th, 2025|