what are the trends in ransomware ?, how it is deployed, who gets attacked, and whether victims get access to their (decrypted) data. Provide a short list of recommendations for small businesses to prevent or deal with ransomware.
A. What are the trends in ransomware?
Following are few ransomware trends:
B. How it is deployed?
First phase of a ransomware attack is the installing components that can be used to infect victim’s system. Following are some ways through which the files used as part of the attack are downloaded on the victim’s system:
1. Drive-by download: automatically download malware or spyware without the user’s knowledge.
2. Strategic web compromise or watering-hole attack: Here the attackers collects strategic information which is used to enter victims’ organization. The information gathered can be in the form of trusted websites usually visited by their target. Then Attackers insert a malware into such sites and when target visits the site, the malware make use of any vulnerabilities in the system to gain control and access.
3. Phishing emails: Spam emails are sent in this attack. These emails might contain links or attachments to malicious websites.
4. Exploiting vulnerabilities in Internet-accessible systems: Makes use of methods like Network scanning for finding vulnerabilities.
C. Who gets attacked, and whether victims get access to their (decrypted) data.
Following are four target groups of ransomwares:
Ransomware encrypts files present on victim's system. In order gain access or decrypt the data, the attacker demands a ransom from the victim. Victim is instructed on how to pay the ransom to get the decryption key.
D. Provide a short list of recommendations for small businesses to prevent or deal with ransomware.
Following are some recommendations for small businesses to prevent ransomware:
what are the trends in ransomware ?, how it is deployed, who gets attacked, and whether...
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