Phishing Prevention and Email Filtering: What Small Businesses and Non-Profits Need to Know

As the CEO of a Cyber Security Managed Services Provider, I spend a lot of time working with small businesses and non-profits. One thing I hear often is:

"We're too small to be a target."

Unfortunately, that's not how today's cyber-attacks work. In reality, small organizations and non-profits are often targeted more frequently, not because they are unimportant, but because attackers know they usually have fewer security resources in place.

And the most common way attackers get in? Email.

Why Email Is the #1 Risk for Small Organizations

Email is how we communicate with staff, donors/funders, vendors, clients, and volunteers. Attackers know this, and they design phishing emails to look like everyday messages you already trust.

Common examples include:

• Fake invoices from vendors you recognize
• Messages pretending to be from your Executive Director or Treasurer
• Donation or grant-related emails with malicious links
• Password reset requests that lead to fake login pages

These emails don't look suspicious and that's exactly the point.

What Is Phishing (In Plain English)?

Phishing is when someone sends an email that pretends to be legitimate in order to:

• Steal passwords
• Trick someone into sending money
• Install harmful software
• Take over an email account

Once an attacker controls one email account, they often use it to attack others inside your organization or impersonate you to donors and partners.

Why Basic Spam Filters Aren't Enough Anymore

Most email systems include basic spam filtering. While this stops obvious junk email, it does not reliably stop modern phishing attacks. This includes many out-of-the-box email security features provided by platforms such as Google Workspace and Microsoft 365, which are designed as a baseline level of protection but were never intended to stop today's highly targeted phishing and impersonation attacks.

Today's phishing emails often:

• Come from real, but compromised, email accounts
• Use correct names, logos, and signatures
• Contain no obvious spelling or grammar mistakes
• Appear to come from someone you already work with

This is why advanced email filtering is so important even if you have one of the big email providers.

How Advanced Email Filtering Helps Protect You

Modern email security tools are designed to stop threats before they reach your inbox, including:

• Impersonation Protection – Stops emails pretending to be your leadership, staff, or trusted vendors.
• Link and Attachment Scanning – Checks links and attachments in a safe environment before you click them.
• Domain Protection – Prevents criminals from sending emails that look like they came from your organization.
• Ongoing Updates – Threats change constantly and managed filtering adapts automatically.

For small organizations, this means strong protection without needing in-house Cyber Security staff.

Why Training Alone Isn't Enough

Training staff and volunteers is important, but even trained users can be fooled by a convincing email. In many small businesses and non-profits, employee or volunteer attrition can create gaps in training, meaning new or transitional staff may not have received the same level of security awareness education, especially when phishing emails:

• Look urgent
• Appear to come from leadership
• Involve finances, donations, or payroll
• Match normal day-to-day operations

That's why you must have the trifecta of technology, training, and monitoring working together.

The Value of a Managed Cyber Security Partner

A managed Cyber Security provider doesn't just install tools — we actively watch over them.

For small businesses and non-profits, this means:

• Monitoring phishing attempts on your behalf
• Rapid response if an email account is compromised
• Help investigating suspicious messages
• Clear guidance when something doesn't look right
• Predictable, budget-friendly monthly costs

This allows your team to stay focused on your mission, not on cyber threats.

The Real-World Impact of a Phishing Incident

For small organizations, a single phishing incident can lead to:

• Lost funds or stolen donations
• Locked systems from ransomware
• Missed payroll or vendor payments
• Damage to trust with clients, donors, or the community

These incidents are stressful, expensive, and often preventable.

Final Thoughts

Cyber Security is not about being perfect — it's about being prepared.

Phishing prevention and email filtering are among the most cost-effective protections available for small businesses and non-profits. With the right tools and the right support, organizations of any size can significantly reduce their risk.

If your email security currently relies on basic spam filtering and hoping for the best, it may be time for a conversation. Protecting your organization, your people, and your mission starts with protecting your inbox.

— Marcus Dixon, Founder and CEO of Dragon Scale Cyber Security