Spoofing is when someone disguises a message, phone call, website, or account to make it look like it’s coming from a person or organization you already trust.
Unlike a random scam email from an unknown sender, spoofing works because it borrows something familiar: a coworker’s name, a vendor’s email address, a bank’s phone number, or a company’s logo and website design.
Because it relies on that familiarity, spoofing can be harder to catch at a glance than a more obvious scam attempt.
Email Spoofing Looks Like It’s From Someone You Trust
Email spoofing forges the sender information so a message appears to come from a real person or business, such as a coworker, executive, or known vendor.
The email may use a familiar name, a matching signature, and a tone that sounds normal. The actual sending address, however, is often slightly altered or entirely unrelated to the real one. In some cases, the message even replies convincingly if you respond, making the exchange feel more legitimate.
Caller ID and Phone Number Spoofing
Caller ID can be manipulated to display a legitimate-looking name or number, including one that matches a real business, bank, or even an internal company extension.
A call that appears to come from a trusted number is not proof that it actually did. Anyone can be spoofed this way, including your own vendors or financial institutions, and the technology to do it does not require any special access to your systems.
Website and Login Page Spoofing
Spoofed websites are built to closely resemble a real login page, often for email, banking, or a common business tool.
Employees who click a link without checking it closely may enter their username and password directly into a page designed to capture that information. The page can look identical to the real one down to the logo and layout, and the web address is often the only visible difference.
Text Message and SMS Spoofing
Spoofed text messages can appear to come from a known company, delivery service, or even a coworker’s phone number.
These messages often include a link or a request to reply with information, relying on the same trust that makes email spoofing effective. Because people tend to treat texts as more personal and urgent than email, this format can be especially effective.
QR Codes and Social Media Can Be Spoofed Too
Spoofing isn’t limited to email, calls, and text. A QR code can be swapped or overlaid to redirect to a fake site, and a social media account can be built to closely imitate a real business or executive.
These formats are newer and less familiar to most employees, which can make them even easier to fall for than a spoofed email.
Check the Sender’s Actual Address, Not Just the Name
The display name on an email or text can say anything. The actual address behind it is what matters.
Before trusting a message, look at the full email address or phone number, not just the name attached to it. A small difference, like an extra letter or a different domain, is often the only clue.
Watch for Small Inconsistencies in the Request
Spoofed messages often get almost everything right, but not quite everything.
A slightly different tone, an unusual request, a link that doesn’t match the company it claims to be from, or a request that skips a normal step are all signs worth noticing, even when the rest of the message looks legitimate.
Verify Through a Separate, Known Channel
If a message asks for sensitive information, a payment, or a change to an existing process, verify it independently.
Contact the person or organization using a phone number or email address you already know to be correct, not the contact information provided in the message itself.
Spot It Early, Before It’s Acted On
Spoofing succeeds by looking familiar, not by looking suspicious.
Slowing down long enough to check a sender’s real address, confirm a request through a separate channel, or question a small inconsistency is usually enough to catch it.
If your business wants help training employees to recognize spoofing or reviewing how prepared your systems are to filter it out, RBS IT can walk through what your current setup catches and where the gaps are. Schedule a time to talk to our team.
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