Email Spoofing is a technique in which an attacker uses a fake email address with a legitimate domain of a website.
This attack is possible because the feature of domain verification is not available in SMTP (Simple Mail Transfer Protocol), it is the protocol on which the email service is built. The development of the recent Email security protocol such as SPF, DKIM, and DMARC uses multiple verification techniques and provides strong security against these attacks.
The attacker crafts the email spoofing in a very specific way, most people know that clicking on a link from an untrusted source can be hazardous. Depending upon the techniques subdomain, email address and sender name can be used in such a way that it appears to be from a familiar party.
Let’s understand it through an example, for instance, Stark Industries is a multi-national corporation, One day Tony who is an employee at Stark receives an email from ‘[email protected]’. In a multi-national firm, it's nearly impossible to know whether Bob is an employee or not. The language of the email was formal prompting Tony to believe it easily and complete the required actions. Unknowingly Tony downloaded the malware and pose a threat to the entire ecosystem of the organization. With just a logo and formal language, Tony was convinced to do certain unethical actions.
Some of the best practices to protect from Email Spoofing
- Source of Email - Unexpected actions and warnings are from scammers
- Structure of Email - Before clicking any unsolicited links and attachments, double-check the integrity.
- Inspect the Email - If the mail tone is not familiar or the misspelled words mean it can be fraudulent.