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Email impersonation isn’t just an IT problem. It’s a silent storm, quietly eroding your brand’s reputation, customer trust, and financial stability. It’s no longer a question of if cybercriminals will target your brand—it’s a matter of when.
Imagine: Your customers receiving emails that look like they’re from your brand. They trust these messages, click on them, and unknowingly walk into a cyber trap. This isn’t a hypothetical scenario. This is email impersonation, and it’s happening every single day online.
You’re already taking the first step toward defending against email impersonation by reading this article. Taking a proactive approach can help prevent successful attacks and mitigate damage to your brand.
Below, we’ll cover what email impersonation entails, why it’s a threat in 2025, and (most importantly) how to protect your brand by implementing smart, robust defenses against it.
Email impersonation is a deceptive tactic cybercriminals use to trick victims into believing they’re a trustworthy entity when they’re not. They use this trust to get customers and employees to share sensitive information, click on malicious links, and transfer funds.
It’s a prevalent form of cyberattack that exploits the inherent trust we place in our inboxes and the people (and businesses) we communicate with.
Email impersonation isn’t new, but it has been rising significantly in recent years. The surge in remote work and the global shift towards digital communication have made it easier for cybercriminals to exploit vulnerabilities and conduct sophisticated impersonation attacks.
Successful attacks can cause:
Understanding the most common impersonation tactics helps you develop better prevention strategies. As of 2025, the prevalent attacks include:
Knowing the threat is one thing—but learning how to stop an impersonation attack is another. While tactics evolve, the following best practices provide a solid defense.
Deploying email authentication protocols safeguards your brand against domain spoofing and phishing attacks:
Setting these up can be complex, which is why Palisade Enforce automates the journey to DMARC enforcement without manual DNS configuration.
Regularly review threat intelligence reports and participate in security communities to anticipate emerging tactics.
MFA adds an extra verification step, preventing unauthorized access even if credentials are compromised.
Provide ongoing security awareness training and run simulated phishing campaigns to improve detection skills.
Continuous monitoring helps you detect suspicious activity early. Palisade Monitor offers free domain‑watching and DMARC report analysis.
Conduct security audits and red‑team exercises to uncover gaps before attackers do.
Define clear steps for containment, eradication, recovery, and post‑incident analysis.
Brand Indicators for Message Identification (BIMI) displays your logo next to authenticated emails, reinforcing brand trust.
For a deeper dive into email authentication best practices, check out our guide on email authentication best practices.
The threat isn’t disappearing—it’s evolving. Stay ahead with Palisade Monitor, a free tool that surfaces hidden email services, simplifies DMARC reporting, and accelerates enforcement.
Start your journey for email impersonation protection with Palisade to keep your brand’s communication secure, authentic, and trusted by your stakeholders.
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