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Enterprise Security Magazine | Friday, July 28, 2023
In the following year, email security best practices include the deployment of email security solutions, authentication of users strongly, and monitoring for sensitive data leaks.
FREMONT, CA: Despite its popularity as a tool for business communication, email is also an easy target for cyberattacks. A corporate email security strategy should help minimize the security risks associated with corporate email. An organization's exposure to cybersecurity threats can be greatly reduced by reducing email security-related risks. To secure corporate email communications, an organization should follow these best practices.
Implementing email security solutions: A variety of cyberattacks use email as a delivery vector for malicious content: Phishing emails can contain malware or contain content designed to trick the recipient into divulging sensitive information, whereas business email compromise (BEC) emails trick companies into sending money to attackers. An organization's sensitive information can also be exfiltrated using email as part of a data breach.
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An email security solution is a core component of an email security strategy due to the numerous threats related to email. Email security solutions should include the following features:
Processing of language: BECs and similar phishing emails do not contain any malicious content, making them more difficult to detect. Email security solutions should analyze the text and metadata of emails for signs of malicious content.
Detection of malicious content: Phishing tactics often involve malicious links and attachments. Based on known attacks, machine learning, and domain identification, email security solutions should detect and block malicious content.
Analysis of click-throughs: There are many phishing emails that contain malicious links in their body, attachments, or shared documents. This hidden malicious content should be protected by a comprehensive email security solution.
Leakage monitoring for sensitive data: In addition to protecting against malicious content entering a network, it is also important to prevent sensitive internal data from leaving. The purpose of email is to transmit information, so it is an ideal medium for data exfiltration.
Each day, employees probably send emails with valuable data to external parties, some of which contain attachments. Often, this outward flow of data is legitimate since invoices are sent to customers, marketing materials are sent to prospects, etc.
Although some of these data flows may not be legitimate, organizations should be aware of them. In order to accomplish this, it is necessary to implement a data loss prevention (DLP) strategy and solution with the following features:
Tracking multi-vector flows: It is possible for data to enter, leave, and move through an organization's network in a variety of ways. Email, shared documents, and similar media should be detected by a DLP solution.
Analyzing user behavior: Whether intentionally or unintentionally, users can expose sensitive data. Analyzing user behavior can help identify risky and anomalous behavior that may result in a data breach.
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