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Ransomware is a type of malware that locks down your files and demands payment in order to restore access. This is a serious threat that can cost your organization money and time to resolve, but there are ways to mitigate the damage and keep the data safe.

Typically, ransomware is delivered to victims via phishing emails or a malicious attachment in a legitimate file. However, other forms of ransomware rely on exploit kits to gain unauthorized access to a system or network.

In many cases, attackers use this technique to trick users into granting administrative access or allowing the malware to run. Then, the malware takes control of the system and encrypts all the files it finds.

There are a few different types of ransomware, including screen lockers, law enforcement ransomware, and cryptomining-based ransomware. These all require a payment in a digital currency, such as bitcoin.

Screen lockers (also known as lock-screen ransomware) freeze you out of your computer completely. Upon starting up the machine, a full-size window appears that looks like an official government seal or credential, telling you that your computer is under investigation and that you must pay a fine in order to unlock it.

In most cases, paying the ransom will not get you your encrypted files back. Rather, it will only give the attackers their desired return on investment. The best way to prevent a screen locker attack is to patch and update your software.