3 Effortless Ways to Stop Email Hackers

A financial controller approves multiple vendor requests in a day. He gets an urgent message to update the bank routing details for an upcoming invoice. The credentials are usual, and the formatting is the same. Fulfilling the request, he transfers the invoice amount. Some days later, the actual vendor calls for the overdue payment. 

People have to deal with scams like this all the time in their personal and professional lives. As per Cloudflare, over 90% cyberattacks start with a phishing email. Businesses are usually the prime targets of these attacks. Also, between October 2013 and December 2023, the BEC scam has been reported in all 50 states and 186 countries, with over 140 countries receiving fraudulent transfers.

By implementing some simple security measures, firms can avoid costly data breaches. Defending against attacks like these requires a clear strategy applied consistently across your network. Comprehensive platforms like Trustifi’s robust email security offer simple and easy solutions to secure your business data.

In this article, I’ll tell you about 3 best practices to never fall into a trap like this. The following sections discuss encryption, tracking, and other advanced threat protection methods in detail.

KEY TAKEAWAYS

• Phishing attacks on businesses are more prevalent than ever.
• Employ advanced threat protection to keep a wall between your business and hackers.
• Before pushing that send button, encrypt the emails.
• Implement email tracking in the IT security system.

The Threat Landscape

Before learning how to protect yourself, let’s get a deep understanding of how they plan attacks. Email remains the top attack method globally. It is universally trusted, high-volume, and exceptionally difficult to monitor one-by-one. 

Phishing is involved in a significant majority of data breaches year over year, consistently ranking as a leading cause of confirmed security incidents across all major industries.

The three most prominent threats hitting corporate inboxes today include:

• Phishing: Deceptive emails designed to trick employees into clicking malicious links, downloading infected attachments, or entering credentials on fake login pages.
• Malware and ransomware: Malicious software delivered through mail attachments or links that can lock down systems, steal data, or give attackers persistent network access.
• Business email compromise (BEC): Sophisticated attacks where criminals impersonate executives, vendors, or partners to manipulate employees into transferring funds or sharing sensitive data.

Mitigating these threats does not inherently demand a sprawling security operations center. The following three tactics make a measurable difference immediately.

Important: Phishing and BEC attacks succeed by exploiting human trust rather than system flaws. Relying solely on employees to manually detect sophisticated impersonation attempts leaves your organization highly vulnerable to data breaches.

1. Put Advanced Threat Protection Between Hackers &Your Inbox

Spam filters protect you from most of the attackers, but they’re not enough anymore. 

They mostly catch mass-volume junk mail, newsletters you did not sign up for, obvious scam emails, and known malicious domains. What they are not built for is the kind of targeted, sophisticated attack that bypasses standard rule-based filtering.

In the aforementioned scenario with the financial controller, the deceptive email was not spam. It bypassed traditional filters because it contained no malicious links, no infected attachments, no obvious red flags. It looked legitimate because attackers engineered it to pass basic authentication checks.

Modern threat detection puts an AI-powered security layer in front of the inbox and evaluates every incoming mail before it reaches an employee. Rather than screening for suspicious identities, it screens for suspicious behavior. 

These include subtle anomalies in sender metadata, header inconsistencies, unusual sending patterns, and contextual cues that indicate impersonation.

The three most common BEC delivery methods this technology catches are:

1. Display-name spoofing: The attacker uses a legitimate-looking name but routes the message through a completely unrelated, external email address.
2. Domain spoofing: The attacker forges the sender’s domain to make the message appear as though it originated from a trusted partner organization.
3. Look-alike domains: The attacker registers a domain nearly identical to a real one and uses it to establish a false sense of trust.

Deploying this type of protection does not require replacing your current infrastructure. These cloud-native solutions integrate easily into your system, whatever be its infrastructure. 

These tools layer AI-powered inbound threat detection over standard setups, quietly blocking sophisticated spoofing attempts in the background without requiring employee retraining.

Pro Tip: Don’t rely on standard spam filters to catch targeted BEC attacks. Upgrading to an AI-powered security layer detects subtle behavioral anomalies and spoofing attempts without requiring a complete overhaul of your existing IT infrastructure.

2. Encrypt Sensitive Emails Before They Leave Your Hands

Business emails contain highly sensitive information: contracts, financial statements, patient records, legal documents, and Social Security numbers. Imagine if anyone gets their hands on these messages in transit.

The historical answer to this problem has always carried a reputation for being technically complex and frustrating to use. 

Legacy encryption solutions required recipients to create new accounts, log into external portals, install software, or exchange cryptographic keys before they could read a single message. 

In practice, this friction caused employees to skip encryption entirely. So sending the sensitive information unprotected felt like a much better option to them.

Depending on the industry, skipping encryption is a compliance liability with severe financial consequences:

• Healthcare organizations are required under HIPAA to protect electronic protected health information in transit. The HHS Office for Civil Rights has penalized institutions for millions of dollars that used to transfer unencrypted patient data over email.
• Financial services firms operating under FINRA, SEC Rule 17a-4, or GLBA must maintain secure, auditable records of electronic communications.
• Legal professionals face direct exposure regarding attorney-client privilege when confidential case communications travel without protection.

The breakthrough in modern mail encryption is that the complexity has been eliminated. Solutions built around one-click encryption allow a sender to protect any email with a single action. 

The recipient opens it securely without creating an account or logging into a portal. Employees don’t have a problem using encryption if it’s frictionless. The theoretical security policies then turn into reliable, daily protection.

Key Insight: The biggest barrier to mail encryption has historically been user friction. By adopting one-click encryption solutions, you transform theoretical security policies into reliable daily habits that seamlessly protect sensitive corporate data.

3. Track Your Emails & Close the Accountability Gap

Most businesses invest in protecting themselves from outside attacks. But what about information that goes out from inside? 

When an employee accidentally sends a sensitive document to an incorrect recipient, nobody knows about it till the actual damage happens. 

Without tracking or recall capabilities, administrators cannot revoke access, confirm whether the file was opened, or produce documentation showing delivery details. This creates a massive accountability gap during regulatory audits.

Email tracking provides a complete, real-time record of every mail sent. It logs when the email was opened, on what device, from what location, and by whom. Administrators can also recall or revoke access to a message even post-delivery. This visibility yields two distinct advantages:

1. Proactive accountability: Knowing that sensitive communications are tracked reinforces responsible data handling among employees without requiring constant oversight.
2. Reactive incident response: If an accidental exposure occurs, security teams can immediately identify what was sent and whether it was accessed. This dramatically reduces the time and cost of containment.

Accidental data exposure from misdirected email accounts for a massive share of total breach costs. Implementing secure file sharing with strict access controls ensures that attachments carry the exact same accountability layer as the communication surrounding them.

Your 3-Tactic Email Security Checklist

From now on, your IT strategy should include all three of the following: 

• Advanced Threat Protection: An AI-powered inbound security layer actively detects and blocks phishing, malware, spoofed senders, and BEC attempts before they reach employee inboxes.
• Email Encryption: Every sensitive outbound mail is encrypted at the point of sending. The method is frictionless, so employees can adopt without workflow disruptions.
• Email Tracking: Real-time email visibility, the ability to recall messages, and generate audit-ready records for compliance reporting.

Quote: Stopping hackers does not require rebuilding corporate IT infrastructure from the ground up. It requires a focused set of security strategies applied through platforms that automate the heavy lifting.

The Bottom Line

The definition of enterprise-grade security has changed. Now, the security requires new, evolved preventative layers. 

A single AI-powered inbound filter can flag a spoofed vendor domain, and a compliance-driven tracking system can catch an unauthorized external communication.

Stopping email hackers does not require rebuilding corporate IT infrastructure from the ground up. It requires a focused set of security strategies applied through platforms that automate the heavy lifting. 

Advanced threat protection, frictionless encryption, and mail accountability tracking are no longer luxuries reserved for enterprise organizations. They are the baseline requirements for modern business operations.

Cybercriminals constantly adapt their techniques to bypass static, rules-based defenses. Organizations that proactively implement these three core tactics stop the vast majority of attacks before they initiate. 

This proactive approach maintains the robust compliance posture necessary to operate confidently in today’s digital landscape.

---