In ransomware attacks, payment is mostly demanded in a virtual currency, such as bitcoin, in order to prevent the identity of the cybercriminal. The motive for ransomware attacks is mostly monetary, and unlike other types of attacks, the victim of a ransomware attack is generally notified that an exploit has occurred and is given instructions on how to recover from the attack. Ransomware: Mostly delivered through emails, ransomware encrypts the victim’s data and then demands a fee to restore it. Spam and email messages loaded with malware are still considered to be one of the most effective means of social engineering employed by hackers to spread and infect users with viruses and also to attack the networks of their victims' companies. In such scenarios, the attacker's aim is to trick users into revealing personal information, such as the victim's full names and addresses, usernames, passwords, payment card numbers or Social Security numbers. This is specifically true in the case of phishing attacks carried out to further business email compromise attacks.Įmail viruses are mostly linked with phishing attacks in which hackers send out malicious email messages that appear as if they have been sent from authorized sources, including internet search sites, social media, victim's bank or even co-workers and friends. Recipients can also find it difficult to identify specific email messages containing malware since these messages reflect a huge amount of effort taken by the malicious actor in order to make the email message appear as if it has been sent from a known and trusted sender. Some of them can easily be spotted as malicious based on their subject lines that just don’t make any sense, suspicious sender or several other header fields and body content. These viruses can be packaged and presented in different ways. An email virus comprises of malicious code that is distributed in email messages, and this code can be activated when a user opens an email attachment, clicks on a link in an email message, or interacts in a totally different way with the infected email message.Įmail viruses are mostly spread by causing the malicious message or attachment to be sent to everyone in the victim's address book.
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