28 May 2025

Why GateKeeper Is Your First Line of Defence Against Business Email Compromise

In today’s digital business landscape, email is a gateway to communication, collaboration, and, unfortunately, compromise. One of the most silent yet devastating threats businesses face is Business Email Compromise (BEC).

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In today’s digital business landscape, email is a gateway to communication, collaboration, and, unfortunately, compromise. One of the most silent yet devastating threats businesses face is Business Email Compromise (BEC).

What is BEC?

BEC is a form of cyberattack where hackers gain access to a legitimate email account, often through brute force login attempts, and through stolen or leaked credentials, and then impersonate the user—typically someone in a position of authority like a CEO, CFO, or finance manager. From there, attackers trick employees or partners into making fraudulent payments, sharing confidential information, or changing account details.

According to the FBI’s Internet Crime Complaint Center (IC3), global losses linked to BEC attacks have exceeded $55 billion between 2013–2023. And those numbers continue to rise.

The Entry Point: Compromised Credentials

The most common starting point for a BEC attack? Weak or stolen login credentials. Many attackers rely on brute force tactics - trying thousands of password combinations until one works. Once they’re in, they don’t sound alarms. They observe, impersonate, and exploit.

This is where GateKeeper steps in.

Meet GateKeeper: Built to Stop BEC Before It Starts
GateKeeper is SYNAQ’s advanced Zimbra email security solution designed specifically to prevent brute force attacks and stop unauthorised access before it ever reaches your inbox.

With GateKeeper, you get:

  • Real-time protection against brute-force attacks, across all email access protocols including web based access methods
  • Automated account lockout response for suspicious behaviour and confirmed compromised accounts
  • Insightful reporting and alerts to keep you in control
  • Peace of mind knowing only legitimate users are granted access


For MSPs and resellers, this means less time responding to crises, and more time building client trust.

Why Prevention is Cheaper Than Recovery

A single BEC incident can result in:

  • Fraudulent wire transfers
  • Data breaches triggering POPIA/GDPR violations
  • Disrupted operations and reputational damage
  • Legal costs and financial loss


GateKeeper offers a proactive solution that protects your clients, your business, and your bottom line.

Don’t Wait Until It's Too Late

BEC attacks don’t scream, they whisper. And by the time they’re noticed, the damage is already done.

Learn how GateKeeper can help you stay one step ahead:
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