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Q:

Which of these are Threats related to Email Security?

1. Pharming

2. Spoofing

3. All the options

4. Spam

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Correct option is :- All the options

Following are the common Threats

Because e-mail is widely deployed, well understood, and used to communicate with untrusted, external organizations, it is frequently the target of attacks. Attackers can exploit e-mail to gain control over an organization, access confidential information, or disrupt IT access to resources. Common threats to e-mail systems include the following:

1. Malware. Increasingly, attackers are taking advantage of e-mail to deliver a variety of attacks to organizations through the use of malware, or “malicious software,” that include viruses, worms, Trojan horses, and spyware. These attacks, if successful, may give the malicious entity control over workstations and servers, which can then be exploited to change privileges, gain access to sensitive information, monitor users’ activities, and perform other malicious actions.

2. Spam and phishing. Unsolicited commercial e-mail, commonly referred to as spam, is the sending of unwanted bulk commercial e-mail messages. Such messages can disrupt user productivity, utilize IT resources excessively, and be used as a distribution mechanism for malware. Related to spam is phishing, which refers to the use of deceptive computer-based means to trick individuals into responding to the e-mail and disclosing sensitive information. Compromised e-mail systems are often used to deliver spam messages and conduct phishing attacks using an otherwise trusted e-mail address.

3. Social engineering. Rather than hack into a system, an attacker can use e-mail to gather sensitive information from an organization’s users or get users to perform actions that further an attack. A common social engineering attack is e-mail spoofing, in which one person or program successfully masquerades as another by falsifying the sender information shown in e-mails to hide the true origin.

4. Entities with malicious intent. Malicious entities may gain unauthorized access to resources elsewhere in the organization’s network via a successful attack on a mail server. For example, once the mail server is compromised, an attacker could retrieve users’ passwords, which may grant the attacker access to other hosts on the organization’s network.

5. Unintentional acts by authorized users. Not all security threats are intentional. Authorized users may inadvertently send proprietary or other sensitive information via e-mail, exposing the organization to embarrassment or legal action.

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