What are some advanced kinds of spyware that are used by intelligence companies?

There are many sophisticated kinds of spyware used by intelligence agencies. A few of these include keyloggers, which record every keystroke made by a user; remote gain access to tools, which allow an aggressor to acquire control of a victim's maker; and malware that is created to take sensitive data or passwords.

One especially sophisticated type of spyware is referred to as a rootkit. Rootkits are designed to hide themselves from detection, and can be really tough to remove when they have actually been set up on a system. They are often utilized to give an assailant full control of a victim's machine, enabling them to spy on the user, or perhaps take control of the device remotely.

Another advanced kind of spyware is understood as a botnet. A botnet is a network of infected computers that can be controlled from another location by an assaulter.  Your Domain Name Botnets can be utilized to introduce dispersed denial of service (DDoS) attacks, or to send out spam and phishing e-mails. They can also be used to spy on users, or to steal sensitive data.

Spyware is becoming significantly advanced, and intelligence agencies are continuously progressing their strategies and tools to keep up with the current hazards.